Convert 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...

Since its introduction, the CP4 has proven to be less reliable and less capable than the CP3 used in previous Duramax platforms, resulting in costly repairs for owners when a CP4 fails. Our CP3 conversion kit lets you easily adapt a CP3 to your...

Brand new Bosch CP3 for the 2006-2010 Duramax from Fleece Performance! Direct drop in replacement for stock injection pump Pump includes a new snout O-ring Application Note: The fuel pressure regulator will need to be scaled appropriately when installed in a 2001-2005 (LB7 or...

Billet aluminum upper fan idler for use with an electric water pump. Available in our custom spoke design and black anodized finish. Complete with bearing. 2003-2018 Electric Water Pump Upper Fan Idler (Black Finish Contrast Cut) Vehicle Fitments Ram 2500 2011 to 2018 Ram...