Timken 710709 Automatic Transmission Output Shaft Seal - Left

Timken 710709 Transmission Output Shaft Seal

Timken 710709 is an automatic transmission output shaft seal built for leak control and contamination resistance in the transmission case. It is a direct-fit service part for a wide range of GM and Mazda applications, including Chevrolet Cruze, Malibu, Equinox, and Buick Encore models with left-side fitment.

Key Features

• Precision sealing design helps retain transmission lubricant and block outside contaminants.
• Reinforced outer case helps reduce installation damage and supports seal durability.
• Ribbed rubber inner diameter seals minor spindle imperfections and promotes positive seating.
• Internal contamination exclusion system helps keep debris from reaching the seal lip.
• Vent holes allow lubricant flow around the seal lip to reduce heat build-up.
• Timken 710709 is a service replacement for left-side automatic transmission output shaft applications.

Detailed Description

This Timken transmission output shaft seal is engineered for vehicles that need dependable sealing at the transmission output shaft. The design focuses on maintaining lubricant inside the transmission while limiting debris intrusion that can lead to seepage, fluid loss, and premature wear. Timken 710709 is used across applications such as 2011-2018 Chevrolet Cruze, 2008-2018 Chevrolet Malibu, and 2013-2018 Buick Encore, making it a practical choice for common GM drivetrain service work.

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

What It Helps Fix

• Transmission fluid leaking from the output shaft area
• Contamination entering the seal surface
• Seal wear caused by heat build-up
• Minor sealing issues from spindle surface imperfections
• Service concerns on left-side automatic transmission output shaft locations

Installation Notes and Tips

Confirm the vehicle year, make, model, and left-side application before installation. Inspect the shaft surface and surrounding housing for wear, scoring, or debris before pressing in the new seal. Clean the sealing area thoroughly and seat the seal evenly to avoid distortion. For fitment examples, this part fits 2016-2018 Buick Cascada, left; 2011-2018 Chevrolet Cruze, left; and 2009-2010 Pontiac G6, left.

Quality Assurance

Timken oil and grease seals are built with precision sealing features and contamination control details to support consistent service performance in transmission applications.