California Catalytic Converter Applications - IMCO - International ...

TABLE OF CONTENTS 

How To Use This Catalog........................................................................................................... 2 

Vehicle Application Index........................................................................................................... 3 

Converter Failure....................................................................................................................... 4 

What is OBDII.......................................................................................................................... 7 

How to Replace an OBDII Converter......................................................................................... 8 

Typical California OBDII Questions............................................................................................ 9 

New California Regulations Requirements.............................................................................. 11 

California OBDII Converter Warranty....................................................................................... 12 

OBDII Truck Application........................................................................................................... 13 

OBDII Numerical Listing........................................................................................................... 22 

1

HOW TO USE THIS CATALOG 

Applications are listed by: 

1. Make and Model: Applications are listed alphabetically, passenger cars first, followed by trucks. 

2. Vehicle Model Year: Most recent to earliest. Model year may be determined from 

Vehicle Identification Number 

3. Engine: Displacement (engine size) is shown in Liters 

4. Number of cylinders: Smallest to largest 

5. Emission Certification Level: Determines the groups of efficiencies that the vehicle emissions are 

categorized by. Used in conjunction with EFN to ensure proper application. 

6. Engine Family Number (EFN): EFN numbers must be determined in order to select the proper 

converter for the application. EFN data is listed on the vehicle underhood emissions decal. 

7. Sub-Model and Comments: This data further distinguishes an application. Items may be 

2 or 4 wheel drive, vehicle wheelbase, etc. 

8. Position: If the vehicle has more than one converter, the location is noted as Front, Rear, Driver’s Side, 

Passenger’s Side, Pre-Converter. 

9. Direct Fit Converter: Converter designed to fit like Original Equipment (OE) and requires little or no 

modification to the converter or mating parts. 

10. Universal Converter: Converter designed for the specific application that requires modification to 

mating parts for proper installation. NOTE: It is illegal to install a catalytic converter that is not 

approved for the specific vehicle application and it is illegal to select a catalytic converter for installation 

based solely on vehicle weight and engine size or based upon catalytic converter physical shape, size, 

configuration, or pipe diameters. 

2 3 4 5 6 7 8 9 10 

Year 

Engine 

(Liters) Cyl Cert EFN Sub-Model & Comments Position 

Direct Fit 

Converter 

Universal 


1 

FORD E150 ECONOLINE 

2002 4.2 6 LEV 2FMXT04.2JF5 Direct Fit Replacement Drv. Side 655106 

2FMXT04.2JF5 Direct Fit Replacement Pass. Side 655107 

2FMXT04.2JF5 Individual Conv. Replacement RH/LH Front 655043 

2FMXT04.2JF5 Individual Conv. Replacement RH/LH Rear 655543 

2002 4.2 6 LEV 2FMXT04.2HF5 Direct Fit Replacement Drv. Side 655106 

2FMXT04.2HF5 Direct Fit Replacement Pass. Side 655107 

2

VEHICLE APPLICATION INDEX 

Ford E150 Econoline............................................................................................................... 13 



Ford Expedition........................................................................................................................ 15 

Ford Explorer........................................................................................................................... 16 

Ford F150................................................................................................................................ 16 

Ford F250................................................................................................................................ 19 

Lincoln Blackwood................................................................................................................... 20 

Lincoln Navigator..................................................................................................................... 20 

Mercury Mountaineer............................................................................................................... 21 

3

Converter Failure 

A converter has no moving parts and requires no service. Generally speaking, they do not 

fail on their own. Nonetheless, they do fail and the following conditions describe reasons for 

replacement. 

• The converter is missing 

• The wrong converter is on the vehicle 

• There is physical damage to the converter 

• The substrate inside the converter is broken or missing 

• The catalyst is poisoned form lead, oil, or anti-freeze 

• The substrate is plugged or melted 

• The converter does not pass emission tests 

Missing Converter 

• California Vehicle Code Section 27156 prohibits removal of converters and replacing 

them with pipes, including “test pipes”. The vehicle owner and the shop installing the 

pipe are subject to fines. 

Wrong Converter Application 

• An aftermarket converter must be the same type as the original converter. Refer to 

the application guide or universal converter guide to determine the proper aftermarket 

converter for the application. 

• Replacement converters need to be installed in the same location as the original 

converter. The auto manufacturers locate the converters to optimize emission control 

system performance. In many cases the engine computer anticipates converter 

performance based upon the time it takes exhaust to travel to the converter. This is 

especially critical for OBDII. 

• The application guide for aftermarket converters and/or the Vehicle Emission Control 

Label may be used to determine correct application. It is the responsibility of the 

aftermarket converter manufacturer to properly list converters for vehicle applications. 

Physical Damage 

• There are holes or gashes in the converter shell or pipes welded to the converter. 

• There is rusting-out or exhaust leaks at seams, flanges, end tubes, or heat shields. 

• There is damage caused by an accident, driving over a road obstruction, or “off-road” 

use. 

• There is denting deep enough to break the ceramic substrate. Check for internal 

damage. 

4

Broken Monolithic Substrate 

• The monolithic substrate can be damaged by physical impact (see above), severe or 

prolonged engine backfire, or melt down due to failure of the engine fuel management 

system to properly control fuel-air ratios. 

• Broken substrates can plug the converter, or lodge in other converters, pipes, or 

mufflers downstream from the converter and cause excessive backpressure. 

• If the ceramic substrate within the converter is broken, it will generally rattle during a 

“thump test”. 

Substrate Poisoning (Chemical Damage) 

• Most fuels currently available in the United States and Canada are compatible with 

catalytic converters. However high levels of lead, phosphorus, or sulfur will poison or 

deactivate a catalytic converter. 

• Carbon soot from an engine running excessively “rich” fuel-air ratios can plug and 

deactivate a catalytic converter. 

• Excessive oil flow through the exhaust will plug and poison a catalytic converter. An 

engine “burning oil” due to worn piston rings/cylinder walls, worn valve guides, or failed 

turbo seals will cause damage to the catalytic converter. The partially burnt excess oil 

plugs the substrate. The phosphorus and sulfur in the oil poisons the catalyst. 

• Anti-freeze in the engine exhaust caused by engine mechanical problems coats the 

catalyst and prevents proper converter operation. 

• In general, converters that have been chemically damaged will not recover sufficient 

performance when the problem is corrected. Poisoned converters, in general, should 

be replaced. When in doubt perform an emissions test. 

Plugging/Meltdown 

• Characteristics of a plugged converter are increased exhaust restriction that reduce 

engine power, increase fuel consumption, and, in extreme cases, cause engine stalling. 

• Plugging can be caused by carbon, excessive unburned oil in the exhaust, anti-freeze in 

the exhaust, or broken converter substrates. 

• Meltdown is the physical melting of the substrate from excessive heat (Over 2500 

degrees Fahrenheit). Meltdown is caused by engine or supplementary air system 

malfunctions. Some of the contributing factors to meltdown are excessively “rich” fuelair 

ratios, failures of supplementary air in dual bed converters to turn off after warm-up 

or under certain load conditions, extended idle, excessive cranking, retarded ignition 

timing, or ignition misfire. 

5

• A backpressure test may be used to identify restrictions in the exhaust system. 

However, since substrate pieces could be lodged anywhere downstream in the exhaust 

system, all of the components that are plugged need to be replaced. 

• The converter body and heat shield provide evidence that indicate possible substrate 

meltdown. If either or both of the following are observed, examine the converter for 

possible substrate melting. 

– The heat shield has turned into a dull gray color. When the heat shield is heated 

over 1100 degrees the aluminized coating changes from a shiny to a dull gray. 

– The converter body appears to be distorted or has a warped appearance from 

being very hot. The stainless steel shells acquire a deep bluish tint when 

heated into the high red heat range. If the shell has an excessive amount of blue 

tint (especially around the substrates), it is likely that the substrate is melted. 

Failure to Meet Emissions Performance 

• Catalytic converters change exhaust gasses containing unburned hydrocarbons, carbon 

monoxide, and oxides of nitrogen into water, carbon dioxide, and nitrogen. When they 

fail to meet the government standards for emission performance, the catalytic converter 

should be replaced. 

• Poisoning, physical damage, and plugging will significantly degrade catalytic converter 

performance. In most cases poisoned, severely damaged, or plugged converters will 

need replacement. 

• Catalytic converter performance decreases over time due to a variety of factors. The 

catalyst undergoes “aging” - the accumulation of chemical and temperature incidents 

over time. Even well maintained and conservatively driven vehicles have reduced 

catalytic converter performance over time. Chemical and temperature factors over time 

cause irreversible physical and chemical changes to the catalyst on the surface of the 

substrate. These effects have been reduced by improvements in technology, but it is 

not likely they will be eliminated. 

• Many jurisdictions have in-use emission testing. Test failure indicates that the catalytic 

converter may need to be replaced. However, the catalytic converter is only one part 

of a complex system. Before replacing the converter make sure that the rest of the 

emission control system is functioning properly. For example a pass on HC and CO and 

failure of NOx might indicate a bad EGR system rather than a bad converter. 

• For OBDII equipped vehicles (generally 1996 and newer) the catalytic converter is 

monitored by the engine diagnostics. A fault code is set indicating that the converter 

may need to be replaced. 

6

WHAT IS OBD-II 

WHAT IS OBDII OBD-II 

OBD-II references the second generation of On Board Diagnostics used initially in California 

OBDII and now references in all 50 states. the second It is a generation computerized of On engine Board and Diagnostics emission used monitoring initially system in California designed and 

to OBD-II alert the references driver that the emission second generation WHAT 

control service of On IS 

is Board OBD-II 

needed. Diagnostics used initially in California 

now in all 50 states. It a computerized engine and emission monitoring system designed to 

and now in all 50 states. It is a computerized engine and emission monitoring system designed 

alert the driver that emission control service is needed. 

to OBD-II alert the references driver that the emission second generation control service of On is Board needed. Diagnostics used initially in California 

What and now does in OBD all OBDII 50 monitor states. monitor It is a computerized engine and emission monitoring system designed 

to alert the driver that emission control service is needed. Other Sensors 

A 

OBD-II What does checks OBD the monitor operating conditions of: 

OBDII checks the operating conditions of: 

• Catalytic Converter 

Other Sensors 

A 

OBD-II 

Engine OBDII 

Operation Diagnostics 

• 

What 

Oxygen 

does checks 

Sensors 

OBD the monitor operating conditions of: 

• Catalytic Converter 

"Check 

• EGR Catalytic System 

Fuel Injectors 

• Oxygen 


Other Sensors 

A 

Engine OBDII 

OBD-II checks Sensors the operating conditions of: 

Engine" 


• Evaporative Oxygen Emission Systems 

Light 

• EGR System 

Sensors 

Engine 

"Check 

• Ignition EGR Catalytic System 

• Evaporative & Converter Fuel Injection Systems 


Engine OBDII 

Emission Systems 

Engine" 

• 


Engine Evaporative Oxygen 

• Ignition Misfire Sensors Emission Systems 

Light 

& Fuel Injection Systems 

Engine 

"Check 

• Ignition EGR System & Fuel Injection Systems 


Engine" 

• Engine Misfire 

How • Engine Evaporative does Misfire it work Emission Systems 

Light 

Engine 

• Ignition & Fuel Injection Systems 

When the OBD computer senses a problem in 

Oxygen 

Oxygen 

How • Engine does Misfire it it work 

Sensor 

Sensor 

one of the monitored systems, it turns on the 

Check When Engine OBDII light. Service senses technicians a problem 

How does the it work computer senses a problem can in 

Oxygen 

Oxygen 

Sensor 

Sensor 

in then one one of download the of the monitored monitored the computer systems, systems, codes it turns it with turns on a the scan on 

the tool. Check When MIL Computer the Engine (Malfunction OBD light. codes computer Service Indicator will tell senses technicians the Lamp technician a problem or “Check can in 

Oxygen 

Oxygen 

Other Sensors 

Sensor B 

Sensor 

Engine” what then one of download failed the light). monitored and, the Service in some computer systems, technicians cases, codes it also turns with can on a then 

scan 

download recommend tool. Check Computer Engine the repair. computer light. codes Service will codes tell technicians the with technician a scan can tool. 

Other Sensors 

Engine BOBDII 

Computer codes will tell the technician what 


what then download failed and, the in some computer cases, codes also with a scan 

"Check 

failed What recommend tool. Computer vehicles and, in repair. some codes have cases, OBD-II will tell also the technician recommend 


Other Sensors 

Engine BOBDII 

Engine" 


Light 

repair. what failed and, in some cases, also 

Engine 

"Check 

OBD-II What recommend vehicles first appeared repair. have OBD-II on some 1994 and 1995 


Engine OBDII 

Engine" 

models. It is now required on all vehicles 

Operation Monitored Diagnostics 

Unmonitored 

Light 

What vehicles have OBDII 

Engine 

starting OBD-II 

"Check 

What vehicles first with appeared the have 1996 OBD-II on model some year. 1994 and 1995 


Engine" 

Light 

OBDII models. first It is appeared now required on some on all 1994 vehicles 

Monitored 

Unmonitored 

and 1995 

Engine 

How to Identify an OBD-II equipped vehicle. 

Oxygen 

Oxygen 

models. starting OBD-II first with It is appeared the now 1996 required on model some year. on 1994 all and vehicles 1995 

Sensor 

Sensor 

Monitored 

Unmonitored 

starting models. with It is the now 1996 required model on year. all vehicles 

1) How starting The to emission with Identify the 1996 sticker an OBD-II model under equipped year. the hood vehicle. 

Oxygen 

Oxygen 

Sensor 

Sensor 

indicates the vehicle as "OBDII Certified" or 

How 

"OBDII 1) to 

Compliant". 

Identify an 

How The to emission Identify sticker OBD-II under equipped the hood vehicle. 

Oxygen 

Oxygen 

OBDII equipped vehicle: 

Sensor 

Sensor 


Other Sensors C 

2) "OBDII 1) 

There 

The emission Compliant". is oxygen 

sticker 

sensor 

under 

downstream 

the hood 

from 

1) the The converter. emission See illustrations. sticker under In case the (A) hood 


Other Sensors C 

indicates 

Engine OBDII 

there 2) There is one is the an converter vehicle oxygen as on sensor the “OBDII vehicle downstream Certified” and from or 

"OBDII Compliant". 


“OBDII oxygen the converter. Compliant”. sensors See upstream illustrations. and downstream In case (A) from 

"Check 

Fuel Injectors Other Sensors 

Engine C OBDII 

there 2) There converter. is one is an converter oxygen Case (B) on sensor has the more vehicle downstream than and one from 

Engine" 


Light 

2) converter oxygen the There converter. sensors with is an the See upstream oxygen added illustrations. sensor and downstream between In case (A) the from 

Engine 

"Check 


Engine OBDII Oxygen Sensor 

from front there converter. the and is one converter. rear converters. Case See (B) has illustrations. the The more vehicle front than converter and 

Engine" 

In one case is 

Operation Diagnostics (Placed between Light 

ceramics) 

(A) monitored converter oxygen there sensors is with by one the the upstream converter OBD-II added system sensor and on the downstream while between vehicle the the rear and from 

Engine 

"Check 


Oxygen Sensor 

oxygen converter front the converter. and sensors rear is unmonitored. converters. Case upstream (B) has The In and more case front downstream 

(C) than converter there one is is 

(Placed between 

Engine" 

ceramics) 

Light 

from an monitored converter oxygen the converter. with by sensor the OBD-II in added Case the (B) middle system sensor has of more while between the than converter the the one rear 

Engine 

Oxygen Sensor 

body. converter front and The rear with is OBD-II unmonitored. converters. the system added sensor monitors The In case front between (C) only converter there the front is is 

Oxygen 

(Placed between 

Sensor 

ceramics) 

front part an monitored oxygen of and the rear converter. by sensor the converters. OBD-II in the middle system The front of while the converter the rear 

is body. converter monitored The is OBD-II unmonitored. by the system OBDII monitors In system case (C) only while there the front is 

Oxygen 

Sensor 

rear part an oxygen of converter the converter. sensor is unmonitored. 

in the middle of In the case converter (C) 

there body. is The an oxygen OBD-II system sensor monitors in the middle only of the the front 

Oxygen 

Sensor 

converter part of the body. converter. The OBDII system monitors 

only 4 the front part of the converter. 

4 

4 

7

8 

HOW TO REPLACE AN OBDII CONVERTER 

Step One – Diagnosis 

The converter rarely fails on its own: it is usually a symptom of some other problem 

with the engine and/or its’ control system(s). Connect the diagnostic scan tool. Read all 

fault and pending codes. It is important to make all of the indicated repairs. Failure to make 

a repair identified by a fault code could lead to early converter failure and be interpreted under 

warranty provisions as not properly maintaining the engine, voiding the converter warranty. 

Step Two – Converter Replacement 

Determine the proper converter from the application guide, including EFN number. An application 

must be listed in the application guide if the replacement converter is to be used. Each 

converter identified by the fault code as failed must be replaced. No multiple converter replacements 

by a single converter are allowed. The converter outlet must be installed in the original 

position and orientation. Oxygen sensors upstream and downstream from the converter must 

be in their original positions. The distance between the two oxygen sensors must be maintained 

to ensure proper signals to the On Board Diagnostic (OBDII) System. The installation 

must be leak free since leaks can give false readings to the oxygen sensors. Failure to properly 

install an OBDII converter can lead to false OBDII failure codes. 

Note: There are some applications with converters downstream from the controlled converters. 

Such converters do not have an oxygen sensor downstream from the converter. These converters 

are unmonitored. In California they must be replaced with a California approved OBDII 

converter, even though they are not monitored by the OBDII system. 

Step Three – Reset Fault Codes and Road Test 

Use the scan tool or reset procedures established by the vehicle manufacturer to reset the 

fault codes. Manufacturer reset procedures may be listed in the owner’s manual, provided by 

general repair manuals, or obtained by calling the auto dealer. Road test the vehicle to confirm 

that no additional problems exist. 

• The test requires the engine to be cool. Generally this means coolant temperatures 

within 10-15 degrees of room temperature. Performing the test with a warm engine 

does not allow the diagnostic system to properly evaluate the converter or 

determine whether the oxygen sensors or other emissions components are within 

proper operational limits. 

• Idle in park or neutral for 3-4 minutes with the engine loaded by turning the air 

conditioner and/or defrosters on. This allows for diagnostic evaluations of the oxygen 

sensor warm-up and related items. 

• Turn off AC/defroster. Accelerate to 30 mph and maintain speed for 3-4 minutes. 

• Accelerate to 55 mph and maintain for 3-4 minutes. 

• Coast down to idle in gear. Try to avoid using the brakes until engine idle speed 

is reached. 

• Maintain idle in park or neutral for 3-4 minutes. 

• Check fault codes and pending codes. 

By testing after the converter is replaced, the test reveals whether other factors such as weak 

oxygen sensors need replacement or repair to prevent what might be a false indication of early 

converter failure. Failure to make necessary repairs could contribute to early converter failure 

and be interpreted under warranty provisions as not properly maintaining the engine.

TYPICAL CALIFORNIA OBDII QUESTIONS 

Q: How do I know when a converter needs replacement 

A: The check engine light identifies a malfunction. Running a diagnostic identifies the cause 

of the malfunction. TYPICAL If the fault CALIFORNIA codes indicate a OBD-II converter QUESTIONS 

malfunction, the converter may 

need to be replaced. Under the California OBDII rules, the OE converter can be replaced 

Q: with How a do New I know Aftermarket when a converter Converter needs that meets replacement California OBDII rules when the OE 

warranty has expired (generally 7 years or 70,000 miles). 

A: The check engine light identifies a malfunction. Running a diagnostic identifies the cause of the 

Q: I malfunction. replaced the If the defective fault codes converter indicate a but converter the check malfunction, engine the light converter still indicates should be a replaced. mal 

function. Under the Interim What’s California wrong OBD-II rules, the OE converter can be replaced with a New 

A: When Aftermarket the converter Converter is that replaced meets Interim the fault California codes must OBD-II be rules reset when following the OE the warranty vehicle has 

expired (generally 8 years or 80,000 miles). 

manufacturer specifications. If this is not done, the computer remembers earlier failures 

Q: 

and 

I replaced 

may give 

the 

a 

defective 

false reading 

converter 

that 

but 

the new 

the check 

converter 

engine 

is defective. 

light still indicates a malfunction. 

What’s wrong 

Q: Why do we need to be concerned about Tier 1, LEV, TLEV, and ULEV OBDII 

A: certifications 

When the converter is replaced the fault codes must be reset following the vehicle manufacturer 

A: Without specifications. an application If this is not guide done, to the use, computer the many remembers levels of earlier OBDII failures in California and may would give be a false too 

complex reading that and the confusing. new converter The most is defective. direct way to determine Tier 1, LEV, TLEV, and ULEV 

applications is to determine the Emission Family Number (EFN) sometimes also referred 

Q:Why do we need to be concerned about Tier 1, LEV, TLEV, and ULEV OBD-II certifications 

to as Emissions Family Code (EFC). There is a direct relationship between the EFN and 

A: the Without type an of application OBDII certification. guide to use, Therefore the many you levels must of use OBD-II the in application California would guide be to too determine 

the complex correct and converter confusing. for The the most application. direct way to determine Tier 1, LEV, TLEV, and ULEV 

applications is to determine the Emission Family Number (EFN) sometimes also referred to as 

Q: Is Emissions that why Family the EFN’s Code (EFC). are listed There in is the a direct application relationship guide between the EFN and the type of 

A: Yes. OBD-II By certification. listing the EFN Therefore numbers you must we make use the it easier application for the guide installer to determine to determine the correct the 

correct 

converter 

converter 

for the application. 

for the application. 

Q: Is that why the EFN’s are listed in the application guide 

Q: Where do I find the EFN number 

A: A: There Yes. By is listing no fixed the location, EFN numbers but typically we make the it easier EFN can for the be installer found on to determine a label attached the correct to the 

firewall, converter radiator for the application. support or hood. 

Q: Where do I find the EFN number 

A: There is no fixed location, but typically the EFN can be found on a label attached to the firewall, 

radiator support or hood. 

Here is an emission label example. 

The vehicle is identified as meeting 

1999 Federal NLEV standards and 

1999 California LEV standards. The 

EFN number is shaded for clarity and is 

located next to the “OBDII CERTIFIED” 

statement. 

9

TYPICAL CALIFORNIA 

OBD-II 

OBDII 

QUESTIONS 

QUESTIONS 

– Cont. 

- Cont. 

Here Here is a is second a second example. example. The tag The tag 

identifies identifies the vehicle the vehicle as a 1997 as a and 1997 and 

OBD-II Certified as a TLEV vehicle. The 

OBDII Certified as a TLEV vehicle. 

EFN number is identified as the “Engine 

Family”. 

The EFN 

We bolded 

number 

the 

is 

EFN 

identified 

number 

as 

for emphasis. the “Engine Family”. We bolded 

the EFN number for emphasis. 

 

Q: Q: Why What a Consolidated if I want to Converter use install rather a Universal than a Universal Converter Converter 

A: The new California OBDII regulations require the installer to use the application guide as 

A: The the new only California source Interim to determine OBD-II regulations the correct require converter the installer for an application. to use the application One reason guide for as this 

the only rule source is that there to determine may be the multiple correct OE converter certifications for an application. for an application One reason and for the this new rule after is 

that market there may replacement be multiple converter OE certifications may not for meet an application all of the and OE the certifications. new aftermarket If an application 

replacement 

is not listed 

converter 

in the 

may 

application 

not meet 

guide 

all of 

then OE 

a universal 

certifications. 

converter 

If an application 

cannot be 

is 

used. 

not listed in 

the application guide then a consolidated converter cannot be used. 

Q: Q: The The downstream downstream converter converter my on application my application isn’t monitored. isn’t monitored. Do I need Do to I use need a to use a 

California California OBD-II OBDII converter converter for the for application the application 

A: The fact that a rear converter lacks a sensor downstream and therefore isn’t monitored 

A: The doesn’t fact that change a rear converter the installation lacks a sensor requirements. downstream Emissions and therefore certifications isn’t monitored are for doesn’t a complete 

change system. the installation When multiple requirements. converters Emissions are present certifications they must are all for meet a complete the California system. When OBDII 

multiple regulations. converters are present they must all meet the California OBD-II regulations. 

Q: There are two converters, front and rear, in my application. Is this a split converter 

Q: application There are that two I can converters, replace with front a single and converter rear, in my application. Is this a split converter 

application that I can replace with a single converter 

A: A: California California requires requires that the that replacement the replacement converter converter system must system have must the same have number the same of number of 

converters as the as OE the system OE system and the and replacement the replacement converters converters must be in must the same be in locations. the same 

locations. 

Q: How has the warranty changed 

Q: How has the warranty changed 

A: Converters developed to meet Interim California OBD-II regulations are designed for a longer life. 

A: At 50,000 Converters miles they developed must meet to meet OE performance California OBDII at useful regulations life (100,000 are – 120,000 designed miles). for a longer life. 

At 5 years or 50,000 miles they must meet OE performance at useful life (100,000 – 

Q: I want 120,000 to use miles). a better converter. Can these California OBD-II Converters be used outside 

California 

Q: I want to use a better converter. Can these California OBDII Converters be used 

A: At present outside the California 

Federal EPA has not ruled on this question. The testing to meet California Interim 

Rules is different than the Federal Test Procedure and therefore converters developed for 

A: At present, the Federal EPA has not ruled on this question. The testing to meet California 

California do not meet the exact Federal requirements. Unlike most other aftermarket converter 

companies, 

Rules is 

we 

different 

have been 

than 

developing 

the Federal 

catalysts 

Test Procedure 

for the aftermarket 

and therefore 

since 1980. 

converters 

We have 

developed 

also 

for 

been California involved in do the not development meet the exact of OE Federal converters requirements. since 1972. Unlike Based most upon this other extensive aftermarket 

experience converter we companies, believe that the we converters have been developed developing to meet catalysts California the Interim aftermarket OBD-II since 1980. 

applications We have have also superior been involved emissions in performance the development when of compared OE converters with converters since 1972. certified Based to 

meet upon current this Federal extensive aftermarket experience requirements. we believe Operating that the life converters for example developed is twice as to long meet for 

the Interim California California OBDII converters applications as compared have superior with Federal emissions aftermarket performance converters. when compared with 

converters certified to meet current Federal aftermarket requirements. Operating life 7for 

example is twice as long for the California converters as compared with Federal 

10 aftermarket converters.

CALIFORNIA AIR RESOURCES BOARD 

California OBDII catalytic converters are environmentally friendly replacement converters 

engineered to meet the more exacting performance and durability requirements of the 

California Air Resources Board for OBDII Converters. These California catalytic converters 

have a higher performance and a longer warranty period than conventional new aftermarket 

replacement catalytic converters. California Air Resources catalytic converters may be used 

only for the specific vehicle applications evaluated in the compliance process. They are not 

universal converters and may not be used for an application unless that application is listed 

in the California application guide. 

NEW CALIFORNIA REGULATIONS REQUIRE 

● California emissions performance warranty coverage for 5 years or 

50,000 miles. 

● No catalyst–related MIL (Malfunction Indicator Lamp or “check engine 

light”) for 5 years or 50,000 miles after installation. (After installation 

of the replacement converter the OBDII diagnostics must be cleared 

to ensure that the MIL light does not immediately reoccur.) 

● Converters can ONLY be installed for applications specifically listed 

in the application guide. 

● The aftermarket converter and oxygen sensor must be placed in the 

same locations as the original converter and sensor. 

● Only defective converters that are no longer covered by original 

vehicle warranties may be replaced (generally after 7 years or 70,000 

miles). 

● All required converters (including original converters that were 

not replaced) must remain in the exhaust system. Elimination or 

combinations of converters into a single replacement converter is not 

permitted. 

● Warranty card must be completed by the installer, signed by the 

customer, attached to the repair invoice, and a copy returned to the 

manufacturer. 

● Installers are required to keep documentation regarding the installation 

of new aftermarket catalytic converters on file for four (4) years from 

date of installation. 

11

WHAT YOU SHOULD KNOW ABOUT 

OUR CALIFORNIA CONVERTER WARRANTY 

Our converters are designed and tested to meet all California warranty provisions. We therefore 

warrant our California converters to meet California Air Resources Board emission requirements 

for five years or 50,000 miles, whichever occurs first. The converter external shells, including 

end pipes are warranted for five years or 50,000 miles from the date of installation. We further 

state that our converters when properly installed on vehicles that are properly maintained will 

not result in any unsafe condition to the vehicle, its occupants, or others in close proximity to the 

vehicle. For this warranty to be effective the warranty card must be properly filled out with copies 

provided to the vehicle owner and converter manufacturer. 

Some conditions that could void this warranty include: 

● Use of leaded gas in the vehicle. Even a small amount of lead will coat the catalyst 

and prevent proper operation. 

● Improperly tuned or maintained engine. Misfiring spark plugs, improper fuel mixture, 

or improper engine adjustments and modifications can cause high levels of unburned 

fuel to reach the converter and damage it. Excessive oil, that passes through the rings 

or valves and enters the exhaust system, can also damage the converter. 

● Not replacing or using a defective converter in front of the converter that is being 

replaced. On a multiple converter system, broken substrate from the first converter 

may enter the second converter and damage its substrate. The second converter is 

not warranted under these conditions 

12

Year 

CALIFORNIA OBDII TRUCK APPLICATION GUIDE 

Engine 

(Liters) Cyl Cert EFN Sub-Model & Comments Position Direct Fit Universal 






2002 4.2 6 LEV 2FMXT04.2HF5 Direct Fit Replacement Drv. Side 655106 

2FMXT04.2HF5 Direct Fit Replacement Pass. Side 655107 

2FMXT04.2HF5 Individual Conv. Replacement RH/LH Front 655043 

2FMXT04.2HF5 Individual Conv. Replacement RH/LH Rear 655543 

2001 4.2 6 LEV 1FMXT04.2JG5 Direct Fit Replacement Drv. Side 655106 

1FMXT04.2JG5 Direct Fit Replacement Pass. Side 655107 

1FMXT04.2JG5 Individual Conv. Replacement RH/LH Front 655043 

1FMXT04.2JG5 Individual Conv. Replacement RH/LH Rear 655543 

2001 4.2 6 LEV 1FMXT04.2HG5 Direct Fit Replacement Drv. Side 655106 

1FMXT04.2HG5 Direct Fit Replacement Pass. Side 655107 

1FMXT04.2HG5 Individual Conv. Replacement RH/LH Front 655043 

1FMXT04.2HG5 Individual Conv. Replacement RH/LH Rear 655543 

2000 4.2 6 LEV YFMXA04.2JGC Direct Fit Replacement Drv. Side 655106 

YFMXA04.2JGC Direct Fit Replacement Pass. Side 655107 

YFMXA04.2JGC Individual Conv. Replacement RH/LH Front 655043 

YFMXA04.2JGC Individual Conv. Replacement RH/LH Rear 655543 

2000 4.2 6 LEV YFMXT04.2HGC Direct Fit Replacement Drv. Side 655106 

YFMXT04.2HGC Direct Fit Replacement Pass. Side 655107 

YFMXT04.2HGC Individual Conv. Replacement RH/LH Front 655043 

YFMXT04.2HGC Individual Conv. Replacement RH/LH Rear 655543 

1999 4.2 6 LEV XFMXA04.2HGC Direct Fit Replacement Drv. Side 655106 

XFMXA04.2HGC Direct Fit Replacement Pass. Side 655107 

XFMXA04.2HGC Individual Conv. Replacement RH/LH Front 655043 

XFMXA04.2HGC Individual Conv. Replacement RH/LH Rear 655543 

1999 4.2 6 LEV XFMXA04.2JGC Direct Fit Replacement Drv. Side 655106 

XFMXA04.2JGC Direct Fit Replacement Pass. Side 655107 

XFMXA04.2JGC Individual Conv. Replacement RH/LH Front 655043 

XFMXA04.2JGC Individual Conv. Replacement RH/LH Rear 655543 

1998 4.2 6 Tier 1 WFMXA04.2AAA Direct Fit Replacement Drv. Side 655106 

WFMXA04.2AAA Direct Fit Replacement Pass. Side 655107 

WFMXA04.2AAA Individual Conv. Replacement RH/LH Front 655043 

WFMXA04.2AAA Individual Conv. Replacement RH/LH Rear 655543 

13

Year 


Engine 


FORD E150 ECONOLINE (cont.) 

1998 4.2 6 Tier 1 WFMXA04.2ABA Direct Fit Replacement Drv. Side 655106 

WFMXA04.2ABA Direct Fit Replacement Pass. Side 655107 

WFMXA04.2ABA Individual Conv. Replacement RH/LH Front 655043 

WFMXA04.2ABA Individual Conv. Replacement RH/LH Rear 655543 

1997 4.2 6 Tier 1 VFM4.2H8G1EK Direct Fit Replacement Drv. Side 655106 

VFM4.2H8G1EK Direct Fit Replacement Pass. Side 655107 

VFM4.2H8G1EK Individual Conv. Replacement RH/LH Front 655043 

VFM4.2H8G1EK Individual Conv. Replacement RH/LH Rear 655543 

1997 4.2 6 Tier 1 VFM4.2J8G1EK Direct Fit Replacement Drv. Side 655106 

VFM4.2J8G1EK Direct Fit Replacement Pass. Side 655107 

VFM4.2J8G1EK Individual Conv. Replacement RH/LH Front 655043 

VFM4.2J8G1EK Individual Conv. Replacement RH/LH Rear 655543 

2001 4.6 8 LEV 1FMXT04.6JF5 Individual Conv. Replacement RH/LH Front 655043 


2001 5.4 8 LEV 1FMXT05.4RF7 Individual Conv. Replacement RH/LH Front 655043 

1FMXT05.4RF7 Individual Conv. Replacement RH/LH Rear 655543 

2000 4.6 8 LEV YFMXA04.66FF Individual Conv. Replacement RH/LH Front 655043 

YFMXA04.66FF Individual Conv. Replacement RH/LH Rear 655543 

2000 5.4 8 LEV YFMXA05.4RF7 Individual Conv. Replacement RH/LH Front 655043 

YFMXA05.4RF7 Individual Conv. Replacement RH/LH Rear 655543 

1999 4.6 8 Tier 1 XFMXA04.6JBC Individual Conv. Replacement RH/LH Front 655043 

XFMXA04.6JBC Individual Conv. Replacement RH/LH Rear 655543 

1997 4.6 8 Tier 1 VFM4.6J8G1EK Individual Conv. Replacement RH/LH Front 655043 







2001 4.2 6 LEV 1FMXT04.2JG5 Direct Fit Replacement Drv. Side 655106 

1FMXT04.2JG5 Direct Fit Replacement Pass. Side 655107 

1FMXT04.2JG5 Individual Conv. Replacement RH/LH Front 655043 

1FMXT04.2JG5 Individual Conv. Replacement RH/LH Rear 655543 

2000 4.2 6 LEV YFMXA04.2JGC Direct Fit Replacement Drv. Side 655106 

YFMXA04.2JGC Direct Fit Replacement Pass. Side 655107 

YFMXA04.2JGC Individual Conv. Replacement RH/LH Front 655043 

YFMXA04.2JGC Individual Conv. Replacement RH/LH Rear 655543 

14

Year 


Engine 


FORD E250 ECONOLINE (cont.) 

1999 4.2 6 LEV XFMXA04.2JGC Direct Fit Replacement Drv. Side 655106 

XFMXA04.2JGC Direct Fit Replacement Pass. Side 655107 



1998 4.2 6 Tier 1 WFMXA04.2ABA Direct Fit Replacement Drv. Side 655106 

WFMXA04.2ABA Direct Fit Replacement Pass. Side 655107 

WFMXA04.2ABA Individual Conv. Replacement RH/LH Front 655043 

WFMXA04.2ABA Individual Conv. Replacement RH/LH Rear 655543 

1997 4.2 6 Tier 1 VFM4.2J8G1EK Direct Fit Replacement Drv. Side 655106 

VFM4.2J8G1EK Direct Fit Replacement Pass. Side 655107 







1997 4.6 8 Tier 1 VFM4.6J8G1EK Individual Conv. Replacement RH/LH Front 655043 






FORD EXPEDITION 




2001 4.6 8 LEV 1FMXT04.66F5 Individual Conv. Replacement RH/LH Front 655043 

1FMXT04.66F5 Individual Conv. Replacement RH/LH Rear 655543 









15

16 

Year 


Engine 


FORD EXPEDITION (cont.) 

1999 5.4 8 LEV XFMXA05.4JGC Individual Conv. Replacement RH/LH Front 655043 


WFMXA05.4JGC Individual Conv. Replacement RH/LH Front 655043 

WFMXA05.4JGC Individual Conv. Replacement RH/LH Rear 655543 

1997 4.6 8 Tier 1 VFM4.6J8G1EK 2WD Drv. Side 655113 

VFM4.6J8G1EK 2WD Pass. Side 655112 

VFM4.6J8G1EK 4WD Drv. Side 655103 




1997 5.4 8 Tier 1 VFM5.4J8G1FK Individual Conv. Replacement RH/LH Front 655043 

FORD EXPLORER 

VFM5.4J8G1FK Individual Conv. Replacement RH/LH Rear 655543 

2001 5.0 8 LEV 1FMXT05.02F5 Direct Fit Replacement Drv. Side 655098 

1FMXT05.02F5 Direct Fit Replacement Pass. Side 655097 

1FMXT05.02F5 Individual Conv. Replacement RH/LH Front 655083 


2000 5.0 8 LEV YFMXT05.02F5 Direct Fit Replacement Drv. Side 655098 

YFMXT05.02F5 Direct Fit Replacement Pass. Side 655097 

YFMXT05.02F5 Individual Conv. Replacement RH/LH Front 655083 

YFMXT05.02F5 Individual Conv. Replacement RH/LH Rear 655503 

1999 5.0 8 LEV XFMXT05.02GF From 4/22/98 

1998 5.0 8 TLEV WFMXT05.02DC To 4/21/98 

XFMXT05.02GF Direct Fit Replacement Drv. Side 655098 

XFMXT05.02GF Direct Fit Replacement Pass. Side 655097 

XFMXT05.02GF Individual Conv. Replacement RH/LH Front 655083 

XFMXT05.02GF Individual Conv. Replacement RH/LH Rear 655503 

WFMXT05.02DC Front Converter Drv. Side 655099 655083 

WFMXT05.02DC Front Converter Pass. Side 655100 655083 

WFMXT05.02DC Rear Converter RH/LH 655114 655503 

1997 5.0 8 Tier 1 VFM5.028GFEK Front Converter Drv. Side 655099 655083 

VFM5.028GFEK Front Converter Pass. Side 655100 655083 

VFM5.028GFEK Rear Converter RH/LH 655114 655503 

1996 5.0 8 Tier 1 TFM5.028GFEK Front Converter Drv. Side 655099 655083 

FORD F150 PICKUP 

TFM5.028GFEK Front Converter Pass. Side 655100 655083 

TFM5.028GFEK Rear Converter RH/LH 655114 655503 


1FMXT04.22F5 Individual Conv. Replacement RH/LH Rear 655543

Year 


Engine 


FORD F150 PICKUP (cont.) 

2000 4.2 6 LEV YFMXT04.22FC 2WD Drv. Side 655109 

YFMXT04.22FC 2WD Pass. Side 655110 

YFMXT04.22FC 4WD Drv. Side 

YFMXT04.22FC 4WD Pass. Side 

YFMXT04.22FC Individual Conv. Replacement RH/LH Front 655043 

YFMXT04.22FC Individual Conv. Replacement RH/LH Rear 655543 

1999 4.2 6 LEV XFMXT04.22GC 2WD Drv. Side 655109 

XFMXT04.22GC 2WD Pass. Side 655110 

XFMXT04.22GC 4WD Drv. Side 

XFMXT04.22GC 4WD Pass. Side 

XFMXT04.22GC Individual Conv. Replacement RH/LH Front 655043 

XFMXT04.22GC Individual Conv. Replacement RH/LH Rear 655543 

1998 4.2 6 Tier 1 WFMXA04.2AAA 2WD Drv. Side 655109 

WFMXA04.2AAA 2WD Pass. Side 655110 

WFMXA04.2AAA 4WD Drv. Side 

WFMXA04.2AAA 4WD Pass. Side 


WFMXA04.2AAA Individual Conv. Replacement RH/LH Rear 655543 

1997 4.2 6 Tier 1 VFM4.228G1EK 2WD Drv. Side 655109 

VFM4.228G1EK 2WD Pass. Side 655110 

VFM4.228G1EK 4WD Drv. Side 

VFM4.228G1EK 4WD Pass. Side 

VFM4.228G1EK Individual Conv. Replacement RH/LH Front 655043 

VFM4.228G1EK Individual Conv. Replacement RH/LH Rear 655543 



2002 5.4 8 LEV 2FMXT05.4PF5 Individual Conv. Replacement RH/LH Front 655043 

2FMXT05.4PF5 Individual Conv. Replacement RH/LH Rear 655543 











17

18 

Year 


Engine 













2000 4.6 8 LEV YFMXA04.6HGC 2WD Drv. Side 655113 

YFMXA04.6HGC 2WD Pass. Side 655112 

YFMXA04.6HGC 4WD Drv. Side 655103 

YFMXA04.6HGC 4WD Pass. Side 655102 

YFMXA04.6HGC Individual Conv. Replacement RH/LH Front 655043 

YFMXA04.6HGC Individual Conv. Replacement RH/LH Rear 655543 

2000 5.4 8 LEV YFMXA05.4HGC Individual Conv. Replacement RH/LH Front 655043 

YFMXA05.4HGC Individual Conv. Replacement RH/LH Rear 655543 



2000 5.4 8 LEV YFMXT05.4PF5 Individual Conv. Replacement RH/LH Front 655043 

YFMXT05.4PF5 Individual Conv. Replacement RH/LH Rear 655543 

1999 4.6 8 LEV XFMXA04.6HGC 2WD Drv. Side 655113 

XFMXA04.6HGC 2WD Pass. Side 655112 

XFMXA04.6HGC 4WD Drv. Side 655103 

XFMXA04.6HGC 4WD Pass. Side 655102 

XFMXA04.6HGC Individual Conv. Replacement RH/LH Front 655043 


1999 5.4 8 LEV XFMXA05.4HGC Individual Conv. Replacement RH/LH Front 655043 




1998 4.6 8 Tier 1 WFMXA04.6AAA 2WD Drv. Side 655113 


WFMXA04.6AAA 4WD Drv. Side 655103 



WFMXA04.6AAA Individual Conv. Replacement RH/LH Rear 655543

Year 


Engine 



1998 4.6 8 Tier 1 WFMXA04.6BAA 2WD Drv. Side 655113 

WFMXA04.6BAA 2WD Pass. Side 655112 

WFMXA04.6BAA 4WD Drv. Side 655103 


WFMXA04.6BAA Individual Conv. Replacement RH/LH Front 655043 

WFMXA04.6BAA Individual Conv. Replacement RH/LH Rear 655543 

1998 4.6 8 Tier 1 WFMXT04.6AAA 2WD Drv. Side 655113 

WFMXT04.6AAA 2WD Pass. Side 655112 

WFMXT04.6AAA 4WD Drv. Side 655103 

WFMXT04.6AAA 4WD Pass. Side 655102 

WFMXT04.6AAA Individual Conv. Replacement RH/LH Front 655043 

WFMXT04.6AAA Individual Conv. Replacement RH/LH Rear 655543 

1998 5.4 8 Tier 1 WFMXA05.4HBC Individual Conv. Replacement RH/LH Front 655043 

WFMXA05.4HBC Individual Conv. Replacement RH/LH Rear 655543 

1998 5.4 8 Tier 1 WFMXA05.4JBN Individual Conv. Replacement RH/LH Front 655043 

WFMXA05.4JBN Individual Conv. Replacement RH/LH Rear 655543 



VFM4.628G1EK 4WD Drv. Side 655103 




1997 4.6 8 Tier 1 VFM4.6H8G1EK 2WD Drv. Side 655113 

VFM4.6H8G1EK 2WD Pass. Side 655112 

VFM4.6H8G1EK 4WD Drv. Side 655103 

VFM4.6H8G1EK 4WD Pass. Side 655102 

VFM4.6H8G1EK Individual Conv. Replacement RH/LH Front 655043 


1997 5.4 8 Tier 1 VFM5.4H8G1EK Individual Conv. Replacement RH/LH Front 655043 

FORD F250 PICKUP 




VFM4.228G1EK 4WD Drv. Side 

VFM4.228G1EK 4WD Pass. Side 



19

20 

Year 


Engine 



1999 4.6 8 LEV XFMXA04.6JGC 2WD Drv. Side 655113 

XFMXA04.6JGC 2WD Pass. Side 655112 

XFMXA04.6JGC 4WD Drv. Side 655103 

XFMXA04.6JGC 4WD Pass. Side 655102 





1998 4.6 8 Tier 1 WFMXA04.6BAA 2WD Drv. Side 655113 


WFMXA04.6BAA 4WD Drv. Side 655103 


WFMXA04.6BAA Individual Conv. Replacement RH/LH Front 655043 

WFMXA04.6BAA Individual Conv. Replacement RH/LH Rear 655543 



1997 4.6 8 Tier 1 VFM4.6J8G1EK 2WD Drv. Side 655113 


VFM4.6J8G1EK 4WD Drv. Side 655103 





LINCOLN BLACKWOOD 



LINCOLN NAVIGATOR 











XFMXA05.4JGC Individual Conv. Replacement RH/LH Rear 655543

Year 


Engine 


LINCOLN NAVIGATOR (cont.) 

1999 5.4 8 LEV XFMXA05.4JGN Individual Conv. Replacement RH/LH Front 655043 

XFMXA05.4JGN Individual Conv. Replacement RH/LH Rear 655543 

1998 5.4 8 Tier 1 WFMXA05.4JBC Individual Conv. Replacement RH/LH Front 655043 

WFMXA05.4JBC Individual Conv. Replacement RH/LH Rear 655543 

1998 5.4 8 LEV WFMXA05.4JGC Individual Conv. Replacement RH/LH Front 655043 

MERCURY MOUNTAINEER 

WFMXA05.4JGC Individual Conv. Replacement RH/LH Rear 655543 

2001 5.0 8 LEV 1FMXT05.02F5 Direct Fit Replacement Drv. Side 655098 

1FMXT05.02F5 Direct Fit Replacement Pass. Side 655097 

1FMXT05.02F5 Individual Conv. Replacement RH/LH Front 655083 


2000 5.0 8 LEV YFMXT05.02F5 Direct Fit Replacement Drv. Side 655098 

YFMXT05.02F5 Direct Fit Replacement Pass. Side 655097 

YFMXT05.02F5 Individual Conv. Replacement RH/LH Front 655083 

YFMXT05.02F5 Individual Conv. Replacement RH/LH Rear 655503 

1999 5.0 8 LEV XFMXT05.02GF From 4/22/98 

1998 5.0 8 TLEV WFMXT05.02DC To 4/21/98 

XFMXT05.02GF Direct Fit Replacement Drv. Side 655098 

XFMXT05.02GF Direct Fit Replacement Pass. Side 655097 

XFMXT05.02GF Individual Conv. Replacement RH/LH Front 655083 

XFMXT05.02GF Individual Conv. Replacement RH/LH Rear 655503 

WFMXT05.02DC Front Converter Drv. Side 655099 655083 

WFMXT05.02DC Front Converter Pass. Side 655100 655083 

WFMXT05.02DC Rear Converter RH/LH 655114 655503 

1997 5.0 8 Tier 1 VFM5.028GFEK Front Converter Drv. Side 655099 655083 

VFM5.028GFEK Front Converter Pass. Side 655100 655083 

VFM5.028GFEK Rear Converter RH/LH 655114 655503 

21

Numerical Listing for OBDII Direct-Fit Converters 

655097 

655102 

99-01 8 Ford Explorer 

99-01 8 Mercury Mountaineer 

655098 

97 8 Ford Expedition 

97-98 8 Ford F150 

97-99 8 Ford F250 

655103 



655099 


97-98 8 Ford F150 

97-99 8 Ford F250 

655106 



655100 

97-02 6 Ford E150 

97-02 6 Ford E250 



22

Numerical Listing for OBDII Direct-Fit Converters 

655107 

655112 

97-02 6 Ford E150 

97-02 6 Ford E250 

655109 


97-98 8 Ford F150 

97-99 8 Ford F250 

655113 

97-00 6 Ford F150 

97-00 6 Ford F250 

655110 


97-98 8 Ford F150 

97-99 8 Ford F250 

655114 

97-00 6 Ford F150 

97 6 Ford F250 



23

Numerical Listing for OBDII Universal Converters 

655043 

655503 

2¼” 2¼” 2¼” 2¼” 

655083 

655543 

2¼” 2¼” 2¼” 2¼” 

24 

See Application Guide for Fitment Information

California Catalytic Converter Applications - IMCO - International ...

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