Master Tech Diesel Reman Cp3 injection pump for Dodge Ram 6.7LCummins 2007.5-2018. Bosch injection pumps have a 2 Year Warranty. Master Tech Diesel reman injection pumps are rebuilt with the highest quality parts and tested with the best calibration equipment available on the market. $225.00 refundable core charge due. We email you a separate paypal invoice for the core charge that will be refunded upon the return of the old used core.