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Air and Fuel› Fuel Pumps, Regulators and Components

DDP

DDP 11-16 Chevrolet Duramax 6.6L LML Brand New Stock CP4 Injection Pump

$1,150.00 $1,092.50 Save $57.50

SKU: D002 DDP NCP4-421

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Dynomite Diesel NCP4-421 is a brand new replacement stock CP4 injection pump for Duramax 11-16 LML engines. It is designed for consistent high-pressure fuel delivery, enhancing power and efficiency. This pump is a superior replacement for OEM parts, ensuring durability and resilience.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandDDP
Part NumberD002 DDP NCP4-421

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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