2001-2004 GM 2500HD/3500HD 6.6L LB7 Duramax Transfer Cases & Parts
Your transfer case is the core of your 4-wheel drive system, making its optimal performance essential for a smooth-running truck. Fortunately, we offer a wide range of transfer cases and components, including structural braces, pump housings, transfer case fluid, and more! Check out our full selection of Transmission & Transfer Case Upgrades for maximum performance and reliability! GMDuramax 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.