2004.5-2005 GM Duramax 6.6L LLY Lighting Upgrades

One of the best things you can do to improve the overall appeal of your 2004.5-2005 GM 6.6L Duramax LLY is adding on some aftermarket lighting upgrades to your Sierra/Silverado's exterior. Your truck's factory headlights, taillights, and accessory lights aren't too impressive, leaving a lot to be desired when it comes to late night visibility and appeal. Choose from out entire selection of premium lighting upgrades and accessories to start commanding the night sky and making the most of your adventures. Any and all of these lighting upgrades work to give you improved illumination when you need it most while offering up a drastic visual appeal to your Sierra or Silverado's exterior. 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.