2001-2004 GM 2500HD/3500HD 6.6L LB7 Duramax Tonneau Accessories

Adding on a premium tonneau cover to your 2001-2004 GM Sierra or Silverado 2500HD/3500HD means your truck can handle it all, but even the toughest tonneau covers on the market could use some accessories to make them perform at their very best. Here at Alligator performance, we carry a selection of tonneau cover accessories and bed accessories so you can get the most out of each adventure. Whether you our sturdy tie downs to secure your gear or expanded cargo space, you'll be sure to love what you find for your GM 2500HD/3500HD build.  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.