2001-2004 GM Duramax 6.6L LB7 Fuel Injectors

Replace your worn fuel injectors with any of these premium aftermarket upgrades we offer for your 2001-2004 GM 6.6L Duramax LB7 here at Alligator Performance! When your Sierra or Silverado's fuel injectors start to drag you down, choose from any of our premium stock replacements or completely upgraded injectors to start adventuring like a pro again. 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.