Air and Fuel› Fuel Injection Systems and Components - Electronic

Fleece Performance

DURAMAX LML CP3 CONVERSION HARDWARE KIT(NO PUMP)

$749.00

SKU: F007 -LML-CP3-NP

In Stock
In Stock
Ships by Jun 7
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Convert your 2011-2016 LML Duramax's fuel system from a CP4 to a CP3 for improved reliability and fueling capability. This kit includes Fleece Performance's exclusive molded hoses for fuel feed and return, high-flow CP3 fuel fittings, and a valley feed line for aftermarket lift pumps. This kit *does not* include the CP3 injection pump itself.

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

BrandFleece Performance
Part NumberF007 -LML-CP3-NP

Videos

Fleece Performance CP3 Conversion Kit for LML Duramax Complete Installation Including CP3 Pump

Fleece Performance CP3 Conversion Kit for LML Duramax Complete Installation Including CP3 Pump
Fleece Performance JUST Made Some Major Changes To The LML CP3 Conversion Kits #duramax #chevytruck

Fleece Performance JUST Made Some Major Changes To The LML CP3 Conversion Kits #duramax #chevytruck
Our Biggest Install Yet! DITCH Your Unreliable CP4 Pump For Something Better (Fleece CP3 Conversion)

Our Biggest Install Yet! DITCH Your Unreliable CP4 Pump For Something Better (Fleece CP3 Conversion)
Permanently Fix The CP4 On Your 2011-2016 GM/Chevy LML Duramax With The Fleece CP3 Conversion.

Permanently Fix The CP4 On Your 2011-2016 GM/Chevy LML Duramax With The Fleece CP3 Conversion.
Boost Your LML Duramax Performance: The Hidden Benefits of CP3 Swapping

Boost Your LML Duramax Performance: The Hidden Benefits of CP3 Swapping

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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