2004.5-2005 GM Duramax 6.6L LLY Towing Upgrades
It's no secret that the 2004.5-2005 GM 6.6L Duramax LLY builds make for incredible towing platforms, but even the most capable trucks need some upgrades to perform at their very best. Our selection of towing upgrades ranges from hitches and tow straps to full air spring systems, giving you back the stability and control you need for every situation. Many of these upgrades will help eliminate the stresses of heavy loads, especially when you're pulling close your GM Sierra/Silverado 2500/3500's GCWR or GCWR. 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.