Timken SL260518 Drive Axle Shaft Seal - Rear

Drive Axle Shaft Seal Overview

Timken SL260518 is a drive axle shaft seal for rear applications with Code-SU8 and a 3.23 drive ratio. It is built for specific half-ton truck fitments, including Chevrolet Silverado 1500 and GMC Sierra 1500 models.

Key Features

• Drive axle shaft seal for rear axle service.
• Fits Code-SU8 applications with a 3.23 drive ratio.
• Application-specific fitment for Silverado 1500 and Sierra 1500 platforms.
• Timken part number SL260518 for direct identification.

Detailed Description

Timken SL260518 is a rear drive axle shaft seal used in axle sealing systems where a precise seal interface is required. This part fits 2019-2022 Chevrolet Silverado 1500, rear, Code-SU8, 3.23 Drive Ratio; 2022 Chevrolet Silverado 1500 LTD, rear, Code-SU8, 3.23 Drive Ratio; 2019-2022 GMC Sierra 1500, rear, Code-SU8, 3.23 Drive Ratio; and 2022 GMC Sierra 1500 Limited, rear, Code-SU8, 3.23 Drive Ratio. For buyers searching for a Chevrolet Silverado 1500 rear axle seal or GMC Sierra 1500 rear drive axle shaft seal, SL260518 provides a fitment-specific replacement option. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Uses

• Replacing a leaking rear axle shaft seal.
• Addressing gear oil seepage at the axle shaft area.
• Restoring sealing performance after seal wear or hardening.
• Servicing rear axle components during differential maintenance.

Installation Notes and Tips

Confirm the axle code and drive ratio before ordering. Match the vehicle application exactly to the listed rear fitments for Chevrolet Silverado 1500, Silverado 1500 LTD, GMC Sierra 1500, and Sierra 1500 Limited. Inspect the axle shaft and sealing surface for wear before installing the new seal.

Quality Assurance

Timken is a recognized name in driveline and sealing components, and SL260518 is cataloged for specific OE-style applications. Verify fitment against the vehicle’s axle code and ratio to ensure correct selection.