Keep the cooling system on your 2006-2007 Chevy/GMC 6.6L LLY/LBZ Duramax working properly with Cooling Fans from XDP. For select applications, Flex-A-Lite engineered direct-fit electric dual cooling fans to further enhance cooling capabilities. Replace your failed components with direct-fit fan blades and fan clutches that are built to meet or exceed the OE specifications. Damaged or failing cooling fans reduce cooling efficiency and they can also damage other underhood components when they break. Find Cooling Fans from top brands like Dorman, Alliant Power, and many more.