
Key Features & Specs:
Fitment:
Restore dependable stock fuel delivery with the Dynomite Diesel DDPNCP4-421 brand-new stock CP4 injection pump for 2011-2016 Chevrolet Silverado and GMC Sierra HD trucks equipped with the 6.6L Duramax LML diesel engine. Built as a new stock-power replacement, this CP4 pump is designed to replace a worn or failed factory high-pressure injection pump while maintaining OE-style fuel system performance. No core charge applies.