SKF STCK261-BB Transfer Case Overhaul Kit

Transfer Case Overhaul Kit for HD GM Trucks

Restore transfer case serviceability with the SKF STCK261-BB transfer case overhaul kit. Built for heavy-duty Chevrolet Silverado and GMC Sierra applications, this kit focuses on the bearings, seals, and gaskets needed for a complete transfer case repair.

SKF STCK261-BB is a direct-fit service kit for 2001-2007 Chevrolet Silverado 2500 HD, Silverado 3500 HD, Silverado 3500, GMC Sierra 2500 HD, and Sierra 3500 models with 261SHD or 263SHD Super Heavy Duty transfer cases.

• Inside diameter: 11
• Width: 2.500
• Bearing type: TRCS2BL
• Premium bearings include matching cones and cups
• Seals are built to SKF standards with Bore-Tite coating for improved sealing performance
• Form-fitting gaskets and silicone sealant are provided where applicable
• Designed for transfer case overhaul service on HD GM trucks

Detailed Product Overview

The SKF STCK261-BB transfer case overhaul kit is engineered for service work on GM heavy-duty 4x4 drivetrains. It brings together the core wear components commonly replaced during transfer case rebuilds, helping return the unit to proper sealing and bearing support. This kit cross-references 26-32121 and 32X23628A for the same application.

Compatible With 2001-2007 Chevrolet Silverado 2500 HD, 2001-2007 GMC Sierra 2500 HD, 2001-2006 Chevrolet Silverado 3500, and 2001-2006 GMC Sierra 3500, plus 2007 Silverado 3500 HD and Sierra 3500 applications listed for 261SHD and 263SHD Super Heavy Duty transfer cases. The SKF STCK261-BB part number is also commonly searched as STCK261-BB for transfer case overhaul service.

Common Repair Uses

• Transfer case bearing noise or rough operation
• Fluid leaks from worn seals or sealing surfaces
• Service wear found during transfer case teardown
• Loss of sealing integrity after high-mileage use
• Rebuild work on 261SHD and 263SHD Super Heavy Duty units

Installation Notes and Tips

Confirm transfer case identification before ordering, since fitment is tied to 261SHD and 263SHD Super Heavy Duty configurations. Inspect the housing, shafts, and sealing surfaces during disassembly, and replace any damaged components before reassembly. Clean all mating surfaces thoroughly so the new seals and gaskets can seat correctly.

Quality Assurance

SKF manufactures these service kits to meet or exceed original equipment specifications. The components are built to SKF quality standards for long service life and dependable sealing performance in automotive, light-duty, and commercial drivetrain applications.