2001-2004 GM Duramax 6.6L LB7 CP3 Kits
The Stock CP3 fuel injection pump on your 2001-2004 GM 6.6L Duramax LB7 works fine for basic everyday applications, but certainly doesn't flow the most efficiently for the more extreme applications you have in mind. Improve your Sierra/Silverado's fuel system performance with any of the premium replacement or upgraded CP3 pumps we offer here at Alligator Performance! GM Duramax Fitments: 2001, 2002, 2003, 2004 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.