2001-2004 GM 2500HD/3500HD 6.6L LB7 Duramax Injectors

Take your fuel delivery system to the next level with high-performance injectors to support your 6.6L Duramax's power, reliability, and efficiency. At Alligator Performance, we provide a huge range of aftermarket injectors tailored to your truck. These injectors are also ideal for replacing worn factory units, allowing your truck to regain performance and reliability. Enhance your truck’s fuel delivery capacity and dependability with our top-quality injectors to ensure maximum diesel performance with your 6.6L Duramax! Pair your new injectors with our selection of Fuel Upgrades. 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.