This is Not an Original Equipment Manufacturer (OEM) Part.
Overview 3866719 Cummins Heat Exchanger
Offered is our replacement for the 3866719 Cummins Heat Exchanger - 6 Cylinder "B" Series. This part is 4" Diameter x 25-3/4" long. It comes standard with a copper nickel (CUNI) bundle. This part is made with OEM equivalent materials and is guaranteed for fit and function.
Some details to note:
Please note that there are 3 different heat exchangers for this engine model. Please review dimensions.
This Heat exchanger has 1-1/2” hose barbs for water connections.
