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Description
Cummins Heat Exchanger 3978734CN - 5x27 Replacement Partreplacement for the 3978374CN Cummins Heat Exchanger. This product has a 5" Diameter and a LOA of 27". We manufacture this with a Copper nickel cooling bundle only. This increases the life of the heat exchanger as compared to one with a copper cooling bundle. There is some confusion as to the proper part number for this part. We have it posted under both the proper part number 3978734CN and the incorrect part number 3978374CN so that those with
replacement for the 3978374CN Cummins Heat Exchanger. This product has a 5" Diameter and a LOA of 27". We manufacture this with a Copper nickel cooling bundle only. This increases the life of the heat exchanger as compared to one with a copper cooling bundle.
There is some confusion as to the proper part number for this part. We have it posted under both the proper part number 3978734CN and the incorrect part number 3978374CN so that those with incorrect data can still find their part.
This part is guaranteed for fit and function and is warrantied for 2 years in pleasure boat use.
Used on the following engines: SD4.5 CM2150,B5.9 LPG Plus CM556,G5.9,ISB 5.9 G CM2180,B4.5s,ISF3.8 CM2220 AN,ISB6.7 CM2250,B4.5 RGT,ISB CM800,QSB5.9-44 CM550,B5.9 G,G3.9,ISBe4 CM850,ISD6.7 CM2150,ISD6.7 CM2150 SN,QSB6.7 CM2250,QSB3.9-30 CM550,QSB5.9-30 CM550,B Gas Plus CM556,B6.7s,ISB CM2150,ISD4.5 CM2150 SN,ISB CM850,B LPG Plus CM556,B4.5,B3.9,ISF2.8 CM2220 AN,ISB6.7 CM2150 SN,QSB6.7 CM850,ISBe4 CM2150,G5.9 CM558,ISB6.7 CM2150 SQ,ISB4.5 CM2150 SN,ISB CM550,QSB5.9 CM850,B Gas International CM556,QSB4.5-30 CM550,ISBe CM800,ISBe5 CM2150 SN,QSB4.5 CM850,B5.9,ISBe CM850
This is a Mr Cool (USA) marine part MRC 3978374CN.
Shipping Notes
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy