Hotstart Catalog - Davidson Sales Co.

In-BlockDirect Immersion HeatersNote: In-block heaters are complete with 2-wire w/ground 6foot HPN cord and plug. For cord replacements or “Y”thermocord energy saver, please reference page 56.CUSEngine ModelPart Number120 VoltsPart Number240 Volts Watts Application InformationHeat ShieldRequiredOil HeaterThread Size*Product ImageCaterpillar — Continued3406 & 3408except 1998ADEM 2AC-101CATV-151AC-102CATV-15210001500Replaces 1” thread-in plug in the rear ofthe oil cooler bonnet on the right side ofthe engine1” NPT3406E1998 ADEM 2engines onlyTF151-002 TF152-002 1500Replaces the 1” threaded plug thatpoints downward on the top of the rearof the oil cooler bonnetYES1” NPT3406EADEM 3 andADEM2000 enginesAC-101CATV-151AC-102CATV-15210001500Replaces 1” thread-in plug in the rear ofthe oil cooler bonnet on the right side ofthe engine1” NPT3456 15.8LAC-101CATV-151AC-102CATV-15210001500Replaces 1” thread-in plug in the rear ofthe oil cooler bonnet on the right side ofthe engine1” NPTChevrolet/GMC (Small Truck)5.7L V8 (350 CID) FC601-5016.2L V8 Diesel6.5L V8 DieselFC601-PY2NONE 600Mounts in the freeze plug in the engine’sblockNo replacement cord availableCummins6 Cylinder Engines: H, NT, NH, N Family743 CID, 855 CID, 927 CID, “N14”1. Cummins engines are often referred to by their horsepower rating “i.e. 350 Cummins”2. Cummins engines are often referred to as Big Cam, Big Cam2, 3, 4, full flow cooling, etc.All refer to engines of 855 CID Size – listed belowGroup IFlat plate design CUN-151B CUN-152B 15001” NPTFlat plate designwhen the 1/2” NPTopening is used6 bolt flat plate on the right side of theengine. May use either the forward orrear opening depending on clearance.CUN-151BH CUN-152BH 1500 1” NPTGroup IIWhen an external oil cooleris used..Note: When a 4 bolt flat plate element design is encountered, remove the next two bolts on the casting, remove the wholecasting, and replace the casting and element with either CNT-151B/CNT-152B OR CNT151B90/CNT152B90When connectionis 1 1/2” rubberhoseEngines producedAug. 1975 thruJune 1982CNT-151B-90 CNT-152B-90 15006 bolt, flat plate design with an elbowthat will rotate 360 degrees to connectwith any hose or casting1” NPTUses an “O” ringforthe 1 1/4” watertube connectionEngines producedprior to August ‘75CNT-151B CNT-152B 15006 bolt, flat plate design with an elbowthat will rotate 360 degrees to connectwith any hose or casting1” NPT* If supplemental oil heating is desired, this column gives the correct thread size in oil pan. See NOTE on page 54.46 Customer Support: (509) 536-8660 www.hotstart.com