DB4427-5357 New Stanadyne Injection Pump Fits Diesel Engine Cross Reference Part Numbers: 2644S601, 1627499, 0R9925 THE PHOTOS SHOWN IN THE LISTING ARE GENERIC PHOTOS. YOU WILL RECEIVE THE PART NUMBER DB4427-5357 LET US KNOW IF YOU HAVE ANY QUESTIONS. **** We will issue a $150 refund upon receiving your old pump as a return. We will cover the shipping costs for the return. The pump must be in acceptable condition, subject to our inspection. The refund will be processed after the return is completed. **** Shipping We ship every day Monday - Friday. Expedited shipping is available upon request, with cutoff time of 3pm EST. Returns We hope you will love your purchase, however if you need to return it, we have a 30 day return policy. About US Goldfarb Associates specialize in diesel injection pumps, injectors and turbochargers. We deal in used, remanufactured, and new parts for truck, automotive, agricultural, construction and industrial markets. We supply diesel engine parts for Caterpillar, Cummins, Detroit Diesel, Ford, Perkins, John Deere, International, Mercedes, and many more engine applications. Contact us if you have parts that you cannot find in our store!