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Description
Fits
Year
Make
Model
Engine
2011-2016
GM
LML 6.6L Duramax
Want to know how to prevent the dreaded CP4 Injection Pump Failure that can send shrapnel throughout your fuel system? Switch it to a CP3!
Since its introduction, the CP4 has proven to be less reliable and less capable than the CP3 used in previous Duramax platforms. Failures of the CP4 are extremely costly and require the replacement of the entire fuel system since metal shavings and contaminants are sent through the fuel system and towards your injectors. It doesn't take long for these contaminants to wreak serious chaos on your injectors, and since the LML runs a closed-loop system, the fuel cycles directly back to your fuel pump without being filtered again.
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. The Fleece Performance kit provides you with OEM fit-and-finish features like a brand new Bosch CP3, Fleece exclusive molded hoses for the fuel feed and return, high flow CP3 fuel fittings, and their valley feed line to support aftermarket lift pump applications.
