Timken SL260309 Automatic Transmission Output Shaft Seal

Automatic Transmission Output Shaft Seal for GM Applications

The Timken SL260309 automatic transmission output shaft seal is a direct-fit sealing component for select GM vehicles. It helps maintain transmission fluid containment at the output shaft area, supporting clean operation in applications such as the Cadillac CTS, Cadillac SRX, Pontiac Solstice, and Saturn Sky.

Key Features

• Automatic transmission output shaft seal for transmission sealing service
• Fits 2003-2007 Cadillac CTS, N/A
• Fits 2004 Cadillac SRX, N/A
• Fits 2005-2007 Cadillac STS, N/A
• Fits 2006-2009 Cadillac SRX, N/A
• Fits 2006-2009 Pontiac Solstice, N/A
• Fits 2007-2010 Saturn Sky, N/A
• Fits 2008-2009 Pontiac G8, N/A
• Timken SL260309 part number for transmission repair identification

Detailed Description

Built for transmission sealing service, the Timken SL260309 is used at the output shaft area to help retain automatic transmission fluid and maintain the integrity of the drivetrain seal. This part is listed for multiple GM rear-wheel-drive and performance-oriented platforms, including Cadillac CTS, Cadillac SRX, Cadillac STS, Pontiac G8, Pontiac Solstice, and Saturn Sky. If you are replacing a leaking transmission output shaft seal, Timken SL260309 provides the correct application reference for these vehicles.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Problems It Addresses

• Transmission fluid leaking from the output shaft area
• Fluid seepage after seal wear or age-related hardening
• Contamination entering the transmission through a damaged seal
• Drivetrain service needs during transmission maintenance
• Seal replacement on a Cadillac CTS, Cadillac SRX, or Pontiac Solstice

Installation Notes and Tips

Inspect the output shaft surface, seal bore, and surrounding transmission components before installation. Clean the sealing area thoroughly and verify the replacement matches the vehicle application by year, make, and model. For best results, install the seal evenly to avoid distortion and confirm proper seating before refilling the transmission.

Quality Assurance

Timken is a recognized name in drivetrain and sealing components, and SL260309 is cataloged for specific GM transmission applications to support accurate parts selection.