SKF STCK246 Transfer Case Overhaul Kit

Transfer Case Overhaul Kit for GM 246 Applications

SKF STCK246 is a transfer case overhaul kit built for GM trucks and SUVs equipped with the 246 transfer case. It is designed for service work on Chevrolet Silverado, Tahoe, Suburban, Avalanche, and GMC Sierra, Yukon, and related applications from 1998-2007.

Key Features

• SKF transfer case overhaul kit for 246 applications
• Includes high-quality bearings, seals, and gaskets where applicable
• Bearings include matched cones and cups for proper service replacement
• Seals use SKF standards with Bore-Tite coating for improved sealing performance
• Form-fitting gaskets and silicone sealant are provided when required by the application
• Built to OE-level dimensional and material standards for transfer case repair

Detailed Description

SKF STCK246 is a transfer case overhaul kit for 246-equipped GM 4x4 platforms, including Chevrolet Silverado 1500, Tahoe, Suburban, Avalanche, and GMC Sierra and Yukon models. The kit centers on the service components commonly needed during a transfer case rebuild, with bearings, seals, and gaskets selected to match the application requirements. The inside diameter is 11 and the width is 2.500, with bearing type TRCS2BL. This part cross-references AP Exhaust 30138 and Four Seasons 47909 for the same application. SKF STCK246 is also referenced by part number 306084R91 for related service use.

Common Repair Uses

• Transfer case fluid leaks at seals or gasket surfaces
• Noise or rough operation from worn transfer case bearings
• Service needs during a 246 transfer case rebuild
• Seal failure that can lead to driveline contamination
• Maintenance on high-mileage Chevrolet and GMC 4x4 transfer cases

Installation Notes and Tips

Confirm the vehicle uses the 246 transfer case before ordering. Match the bearing dimensions and bearing type to the original unit during teardown, and inspect all sealing surfaces for wear, scoring, or contamination before assembly. Clean the housing thoroughly, follow factory service procedures, and verify proper seal seating during reassembly. This kit is intended for professional-level transfer case service on the listed Chevrolet and GMC applications.

Quality Assurance

SKF manufactures these kits to meet or exceed original equipment specifications. The components are selected for consistent fit, sealing performance, and long service life in transfer case repair applications.