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

Injector nozzles are a crucial component in your truck's fuel system, working to deliver the precise fuel and air mixture into the combustion chamber. If your nozzles are wearing out or not keeping up with your other aftermarket fuel upgrades, it might be time for replacements. At Alligator Performance, we offer a wide selection of high performing and injector nozzles, ensuring increased fuel flow, allowing the engine to produce more power, perfectly paired with our other performance enhancements like high-performance Turbo Chargers and Tuners! Whether you're looking to replace your worn-out existing injector nozzles, or want to upgrade to high-performing nozzles, we have exactly what you need 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.