2004.5-2005 GM 2500HD/3500HD 6.6L LLY Duramax Lift Pumps & Filters

The stock fuel pump on your 2004.5-2005 GM Sierra/Silverado does its job for daily drivers, but an upgraded 6.6L Duramax LML will likely require a higher volume of fuel for consistent and reliable performance. Raise your truck's fuel volume and improve filtration by investing in any of these premium aftermarket fuel lift pumps. An aftermarket fuel lift pump will promote efficiency and improve the overall power of your fuel system so you can get the most out of your ride every single time. Check out our selection of Engine Upgrades to pair with your new Fuel Upgrades.  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.