SKF STCK1225 Transfer Case Overhaul Kit

SKF STCK1225 Transfer Case Overhaul Kit

Restore transfer case serviceability with the SKF STCK1225 transfer case overhaul kit. Built for 2007-2011 Chevrolet Silverado 2500 HD and Silverado 3500 HD, plus GMC Sierra, Suburban, and Yukon XL applications listed below, this kit is organized for a complete transfer case repair on MP1225 and MP1226 units with the correct 29 spline input shaft where noted.

SKF supplies bearings, seals, and gaskets where applicable to support a thorough rebuild. The STCK1225 is designed around OE-style fitment requirements for Chevrolet Silverado transfer case service and GMC Sierra transfer case overhaul work, helping you replace worn internal sealing and bearing components in one service.

Key Features

• SKF transfer case overhaul kit for service and rebuild work
• Part number STCK1225
• Includes high-quality bearings with matching cones and cups
• Seals are built to SKF standards with Bore-Tite coating for improved sealing performance
• Gaskets and silicone sealant are provided where applicable
• Designed to meet or exceed original equipment specifications
• Fits MP1225 and MP1226 transfer cases in listed Chevrolet and GMC applications

Detailed Description

The SKF STCK1225 is a transfer case overhaul kit engineered for service on select Chevrolet Silverado, Suburban, and GMC Sierra and Yukon XL models. It is built for applications using MP1225 and MP1226 transfer cases, including listings that specify a 29 spline input shaft. The kit combines the core wear items needed during transfer case repair so the technician can address bearing wear, seal leakage, and gasket-related service points in one job. SKF STCK1225 is a practical choice for Chevrolet Silverado 2500 HD transfer case repair and GMC Sierra 2500 HD transfer case rebuilds where the original unit needs a complete refresh.

This part cross-references 19133136 for the same application.

Vehicle Fitment

• Fits 2011 Chevrolet Silverado 2500 HD, MP1225 & MP1226 Transfer Cases w/ 29 Spline Input Shaft
• Fits 2011 Chevrolet Silverado 3500 HD, MP1226 Transfer Case w/ 29 Spline Input Shaft
• Fits 2009-2011 Chevrolet Suburban 1500, MP1225 & MP1226 Transfer Cases
• Fits 2011 Chevrolet Suburban 2500, MP1225 & MP1226 Transfer Cases w/ 29 Spline Input Shaft
• Fits 2007-2010 Chevrolet Silverado 2500 HD, MP1225 & MP1226 Transfer Cases
• Fits 2007-2010 Chevrolet Silverado 3500 HD, MP1226 Transfer Case
• Fits 2007-2010 Chevrolet Suburban 2500, MP1225 & MP1226 Transfer Cases
• Fits 2011 GMC Sierra 2500 HD, MP1225 & MP1226 Transfer Cases w/ 29 Spline Input Shaft
• Fits 2011 GMC Sierra 3500 HD, MP1226 Transfer Case w/ 29 Spline Input Shaft
• Fits 2007-2010 GMC Sierra 2500 HD, MP1225 & MP1226 Transfer Cases
• Fits 2007-2010 GMC Sierra 3500 HD, MP1226 Transfer Case
• Fits 2009-2011 GMC Yukon XL 1500, MP1225 & MP1226 Transfer Cases
• Fits 2011 GMC Yukon XL 2500, MP1225 & MP1226 Transfer Cases w/ 29 Spline Input Shaft
• Fits 2007-2010 GMC Yukon XL 2500, MP1225 & MP1226 Transfer Cases

Common Repair Uses

• Transfer case bearing noise or rough operation
• Fluid seepage from worn seals
• Leak repair at gasket surfaces during rebuild
• Service for worn internal components in MP1225 and MP1226 units
• Complete transfer case overhaul on listed Chevrolet Silverado and GMC Sierra applications

Installation Notes

Verify the transfer case model before ordering, especially MP1225 versus MP1226 and the 29 spline input shaft requirement where listed. Clean all sealing surfaces thoroughly before assembly, inspect the housing for wear or damage, and confirm bearing and seal orientation during installation. Use the vehicle-specific service procedure for torque values and fluid fill specifications.

Quality Assurance

SKF manufactures these kits to high quality standards and builds them with components selected to meet or exceed original equipment specifications. The included bearings, seals, and gaskets are intended to support a complete repair and long service life when installed correctly.