2004.5-2005 GM 2500HD/3500HD 6.6L LLY 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 aftermarket and stock replacement injector nozzles, ensuring you'll find the perfect fit for your custom build. Take your injector performance to the next level with our excellent selection of Injectors!  GM Duramax Fitments: 2004, 2005 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.