Ensure lasting protection and leak-free performance with this Transfer Case Gasket & Seal Kit Compatible with FOR Chevy Silverado / FOR GMC Sierra NP261XHD & NP263XHD (2001–2007). Perfect for restoring the integrity of your heavy-duty transfer case, this kit includes all the necessary seals and gaskets for a complete service.
Fitment:FOR Chevrolet Silverado 2500HD & 3500 (2001–2007)
FOR GMC Sierra 2500HD & 3500 (2001–2007)
Transfer Case Type: NP261XHD / NP263XHD
Engine Applications: 6.6L Duramax & 8.1L V8
Typically paired with Allison automatic or ZF 6-speed transmission
Kit Includes:All required transfer case seals
Adapter gasket
Features:Constructed from premium-grade materials for durability and performance.
Designed for aluminum, chain-driven NP261XHD and NP263XHD transfer cases only.
Ideal for maintenance, repairs, or full rebuilds to prevent fluid leakage and extend service life.
This FOR GM NP261XHD / NP263XHD Transfer Case Gasket & Seal Kit (TSK-261XHD) delivers factory-quality sealing performance to keep your drivetrain operating smoothly and efficiently.