2004.5-2005 GM Duramax 6.6L LLY Rear Bumpers

The factory rear bumper on your 2004.5-2005 GM 6.6L Duramax LLY isn't much to write home about, so you can improve the utility and protection of your Sierra/Silverado's rear-end with any of the off-road rear bumpers we offer here at Alligator Performance. Aftermarket bumpers are great for truck's that see tons of hardcore trail riding to ensure you make it home in one piece. Many of these bumpers come with pre-cut mounts and provisions for powerful off-road LED lights and light bars, pushing the capability of your GM truck even further. 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.