Shop for the Belt & Accessory Drive components your 2006-2007 Chevy/GMC 6.6L LLY/LBZ Duramax needs such as belts, pulleys, and tensioners. Expand the life of your diesel engine and reduce chatter from torsional vibrations with the performance dampers available from Fluidampr. Tensioners and pulleys keep the serpentine belt on your vehicle in position and ensure the proper operation of belt-driven components. Find OE-style serpentine belts to replace the worn out, cracked or frayed belt on your vehicle. Shop now for Belt & Accessory Drive components from top name brands like Dayco and Dorman, along with options from Interstate-Mcbee for HD applications.