Dynomite Diesel NCP4-421 Brand New Stock CP4 Fuel Pump | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Dynomite Diesel NCP4-421 Brand New Stock CP4 Fuel Pump | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Manufacturer: Dynomite Diesel

SKU: DDPNCP4-421
Sale price
$983.25
Regular price
$1,092.50
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10%
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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



Year Ranges Make Model Series Engine
2011-2016 GM/Chevrolet/GMC Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
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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