Timken SL260311 Transfer Case Input Shaft Seal

Timken SL260311 Transfer Case Seal

Timken SL260311 is a transfer case input shaft seal for select GM 4x4 applications. It is built for the transfer case sealing system and is used on New Process 246 and 261C units found in a range of Chevrolet and GMC trucks and SUVs.

Key Features

• Transfer case input shaft seal for sealing the input area of the transfer case.
• Compatible with New Process 246 and 261C transfer case applications.
• Fits select Chevrolet Silverado 1500, Tahoe, Suburban 1500, and GMC Sierra 1500, Yukon models.
• Also fits Silverado 1500 HD, Sierra 1500 HD, Yukon XL 1500, K1500, and K1500 Suburban applications listed below.
• Timken part number SL260311 for direct catalog lookup.

Detailed Description

This Timken transfer case input shaft seal is a service part for maintaining the sealing interface at the transfer case input shaft. It is listed for 1999-2007 Chevrolet Silverado 1500, 2000-2007 Chevrolet Suburban 1500, 1999-2007 Chevrolet Tahoe, 2000-2007 GMC Sierra 1500, and 2000-2007 GMC Yukon applications with New Process 246 or 261C transfer cases. The SL260311 part number is also associated with 2001-2002 Silverado 1500 HD and Sierra 1500 HD, plus 2000-2002 Yukon XL 1500 and 1999 K1500/K1500 Suburban fitments.

This part cross-references National Oil Seals (e.g., 710311) for the same application.

Common Uses

• Replacing a leaking transfer case input shaft seal.
• Addressing fluid seepage at the transfer case input area.
• Restoring sealing performance after wear from age or mileage.
• Servicing a New Process 246 or 261C transfer case during drivetrain repair.

Installation Notes

Verify the transfer case model before ordering. Confirm the vehicle year, make, and model against the listed fitment for SL260311, since this seal is specific to New Process 246 and 261C applications. Clean the sealing surface and inspect the input shaft area for wear before installation.

Quality Assurance

Timken is a recognized name in drivetrain and sealing components, and SL260311 is cataloged for specific GM transfer case applications to support accurate parts selection.