CP3 Conversion Kit with CP3 for 2011-2016 LML Duramax Fleece Performance - FPE-LML-CP3-WP 2025-chevrolet-silverado-2500-hd-esi4307017 Decreased Coolant Temperatures The rear

Decreased Coolant Temperatures The rear cylinders on the 5

Overhead Gauge Mount - w/ Switches - Two Gauge Holes

collapsed hoses

Why do I need a Fleece Coolant Bypass

75 Inch (517117500)

CP3 Conversion Kit with CP3 for 2011-2016 LML Duramax Fleece Performance - FPE-LML-CP3-WP 2025-chevrolet-silverado-2500-hd-esi4307017 Decreased Coolant Temperatures The rearConvert 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