Offered is a drop in replacement for the 4020101 Cummins Heat Exchanger. It is commonly paired with the 5.9L 6 Cylinder Cummins marine diesel engine that has become one of the work horses for the marine industry. The part comes with zincs and end caps and is guaranteed for fit and function. It also comes with a 2 year warranty against manufacturing defects.

Parts are shipped painted white to match your engine. 4020101 and 4020101CN are the same part for us as we make all of these heat exchangers with Copper Nickel bundles to extend their life. We do not recommend copper bundles be used for this part and therefore do not offer that option.