DDP CP4-421 Remanufactured Injection Pump
Upgrade your LML Duramax engine with the DDP CP4-421. Remanufactured to match factory specifications, this injection pump offers reliable power and fuel output equivalent to the original. Ideal as a direct replacement for 2011-2016 Duramax engines, it ensures a seamless fit and performance. Backed by a 1-year unlimited mileage warranty, the DDP CP4-421 guarantees durability and peace of mind. Enhance your engine's efficiency with this top-quality, easy-to-install pump.

• Factory-quality replacement
• Matches original specs
• Direct fit for 2011-2016 Duramax
• 1-year unlimited mileage warranty
• Seamless installation