2004.5-2005 GM 2500HD/3500HD 6.6L LLY Duramax 6.5ft Bed Tonneau Covers

A tonneau cover is an excellent option for improving both the protection and appearance of your 2004.5-2005 GM truck. Our range of tonneau covers provides excellent cargo security while giving your GM 2500HD/3500HD a sleek, polished look. We offer various choices, from vinyl roll-up covers to premium metal retractable tonneaus that open with the push of a button. Whether you want to protect your cargo from harsh weather or simply enhance your truck's style, you can easily find the perfect bed cover at Alligator Performance. Add further functionality to your truck bed with a Bed Rack.  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.