2007.5-2010 GM Duramax 6.6L LMM CP3 Kits

The factory CP3 fuel injection pump on your 2007.5-2020 GM 6.6L Duramax LMM works great for truck's running basic applications, but it's performance starts to fall short when as you push your Sierra/Silverado to the limit. Improve your GM 2500/3500's fuel system performance with any of the premium replacement or upgraded CP3 pumps we offer here at Alligator Performance! GM Duramax Fitments: 2007, 2009, 2010 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.