Seller notes

Product Name: Freeze Coolant Bypass Kit For 2003-2007 Dodge Ram 5.9L 2007.5-2018 Cummins 6.7L Manufacturer: Doctor Diesel USA Manufacturer Part #: DD-560 Fitment Applications: ***SEE LIST BELOW*** Item Features: 1The rear cylinders on the 5.9/6.7L Cummins suffer from a lack of coolant flow, and therefore, experience the highest coolant temperatures. 2.This can cause excessive pressure to build in the cooling system, especially the rear of the block and blow out freeze plugs externally, or the sm...

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