Features:
Brand-new CP4 injection pump — not a remanufactured unit
Direct replacement for 2011–2016 GM 6.6L Duramax LML and LGH engines
Includes new fuel control actuator (FCA)
Built to meet OEM flow and pressure specifications
No tuning or modifications required
No core charge — retain your original pump
Backed by a 2-year unlimited mileage warranty
Dependable Fuel Delivery for Your LML or LGH Duramax
The Dynomite Diesel NCP4-421 CP4 Pump is a factory-spec, brand-new replacement injection pump for 2011–2016 Chevrolet and GMC 6.6L Duramax LML and LGH engines. This pump is designed to match the flow and pressure of the original unit, ensuring reliable performance for daily driving, towing, and light-duty work without requiring tuning or aftermarket modifications.
No Core. No Hassle. Built for Longevity.
Forget the core exchanges or quality concerns of a remanufactured part — the NCP4-421 is a fully brand-new CP4 injection pump. It includes a pre-installed fuel control actuator and is ready for immediate installation. Whether you're replacing a failing pump or rebuilding your fuel system, this is a no-compromise solution backed by a strong warranty.
Package Includes:
(1) Dynomite Diesel NCP4-421 New CP4 Fuel Pump
(1) Pre-installed fuel control actuator (FCA)
Specifications:
Part Number: NCP4-421
Condition: 100% New
Fuel System: CP4
Engine: 6.6L Duramax LML/LGH
Warranty: 2-Year Unlimited Mileage
Fitment Notes:
Fits 2011, 2012, 2013, 2014, 2015, 2016 Chevrolet Silverado & GMC Sierra 2500HD/3500HD
Compatible with LML and LGH Duramax engines
Direct replacement for OEM CP4 fuel pump
Not legal for sale or use in California
Property | Values |
---|---|
Year Ranges | 2011-2016 |
Make | GM/Chevrolet/GMC |
Model | Silverado/Sierra |
Series | 2500HD/3500HD |
Engine | 6.6L Duramax LML |
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