The DDP CP4-421 Remanufactured CP4 Injection Pump is a direct replacement for your 2011-2016 GM 6.6L Duramax LML. This pump comes ready to install provides you with the same output and specifications as the factory unit.
2011-2016 GM 6.6L Duramax LML
- Stock Replacement
- Stock Power Levels/Fuel Output
- 1-Year Unlimited Mileage Warranty