2004.5-2005 GM Duramax 6.6L LLY Fuel Lift Pumps

The stock fuel pump on your 2004.5-2005 GM Sierra or Silverado does its job for daily drivers, but an upgraded 6.6L Duramax LLY will likely require a higher volume of fuel for consistent and reliable performance. Here at Alligator, we offers a wide variety of fuel lift pumps that will ensure your engine and it's components are running at their very best. Manufactured to your truck's exact requirements, these fuel pumps will save you time and hassles in the long run! 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.