CP3 Conversion Kit with CP3 for 2011-2016 LML Duramax Duramax L5P high speed optimized)Duramax 12mm High

high speed optimized)Duramax 12mm High Speed CP3 – New – (1

feature improved oiling to the valve stems

and filter minder port

Diesel 1989-1998 Cummins

CP3 Conversion Kit with CP3 for 2011-2016 LML Duramax Duramax L5P high speed optimized)Duramax 12mm HighConvert your LML's fuel system from a CP4 to a CP3. Improve your LML Duramax's reliability and fueling capability with a CP3 conversion. 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 replacement of the entire fuel system. Avoid a costly failure down the road and convert your CP4 to a CP3 with our complete, no tuning