S&S Diesel Motorsport offers the first CARB-compliant (EO #D-756-4) 50 State CP3 conversion available for the LML. This includes all hardware necessary to replace the troublesome CP4 …

Convert your 2011-2016 Duramax to a CP3 with our Conversion Kit. Improves fuel system reliability and performance for demanding applications.

Convert your CP4 to a CP3 and save money down the road with our complete, no-tuning-required solution for the 2011-2016 LML Duramax platform.

WCF-LML Duramax CP3 Conversion High Pressure Line Upgrade Kit Description: - Longer and Larger I.D. High-Pressure Line than Street Series Kit and other CP3 Conversion Kits offered …

Jan 23, 2021 · In order to prevent this from happening we have developed a kit to convert the LML engine to accept and run a much more reliable CP3 pump that was found in the 01-10 …

This kit allows you to switch from the CP4 injection pump that come from the factory on the 2011-2016 LML Duramax trucks, to an earlier model higher volume CP3 injection pump.

Avoid a costly failure down the road and convert your CP4 to a CP3 with our complete, no tuning required kit for the 2011-2016 LML Duramax platform.

Fleece LML Duramax CP3 conversion: Upgrade your LML's fueling system with our CP3 pump kit for increased reliability and performance.

LML Duramax CP3 Conversion Kit with No Tuning Required installation. This kit replaces your problematic CP4.2 with a reliable CP3 pump.

The S&S Diesel LML-CP3-CARB CP4 To CP3 Conversion Kit (With Pump) from XDP offers a permanent solution to the failure prone CP4 pump in your 2011-2016 GM 6.6L Duramax LML.

Our Conversion Kit is easy to install with superior parts to assure you that you are getting the quality that you have come expect though LDS. This kit will contain all the parts needed to …

Our CP3 Conversion Kit is a direct replacement for the factory CP4 and will not cause check engine lights. No need to spend extra money on custom tuning or programmers, our kit works …

S&S Diesel offers the only CARB-compliant 50 state legal CP3 conversion available for the LML. This kit includes all the necessary hardware to replace the troublesome CP4 with a more …

S&S Diesel Motorsport producly offers the first no tuning required CP3 conversion available for the LML. This includes all hardware necessary to replace the troublesome CP4 with a …

The Fleece LML CP3 Conversion Kit FPE-LML-CP3-NP (Without Pump) from XDP helps you convert the fuel system in your 2011-2016 GM 6.6L Duramax LML from a CP4 to a CP3.

LDS LML/LGH Duramax CP3 Conversion Kit with Emission Intact No Tuning Required Description: Fits: 2011-2016 GM/Duramax LML/LGH Duramax Item #: LDS-LML-CP3-EM …

This kit allows you to switch from the CP4 injection pump that come from the factory on the 2011-2016 LML Duramax trucks, to an earlier model higher volume CP3 injection pump.

Apr 16, 2025 · This blog provides a detailed review guide for the best CP3 conversion kits for LML trucks. These kits improve performance and reliability for diesel engines.

Convert your 2011-2016 Duramax's fuel system from a CP4 to a CP3 high pressure pump and get performance and piece-of-mind. This kit includes all of the hardware necessary to replace the …

The Fleece FPE-LML-CP3-10 Heavy-Duty 10mm Stroker CP3 Conversion Kit from XDP is a great way to enhance the reliability of your 2011-2016 GM 6.6L Duramax LML. Since its …