0-986-437-307 (3954343; 3965090; 5264245) Rebuilt CP3 Injection Pump fits Cummins 5.9L Engine. 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.