Timken 710689 Manual Transmission Output Shaft Seal - Rear

Manual Transmission Output Shaft Seal for Lexus and Toyota

Timken 710689 is a manual transmission output shaft seal built to help retain lubricant and block contaminants at the transmission exit point. It is a direct-fit service part for a wide range of Lexus, Toyota, Chevrolet, GMC, and Pontiac applications, including Lexus GS350, IS350, RC350, Toyota Tacoma rear, and Toyota 4Runner rear.

Key Features

• Precision sealing design helps reduce lubricant escape and keep debris out of the transmission
• Reinforced outer case helps resist installation damage and adds durability
• Ribbed rubber inner diameter seals minor spindle imperfections and supports positive seating
• Internal contamination exclusion system helps limit debris penetration that can lead to leakage
• Vent holes promote lubricant flow around the seal lip to help reduce heat build-up
• Timken part number 710689 for manual transmission output shaft service

Detailed Description

Timken 710689 is a manual transmission output shaft seal engineered for vehicles that need dependable sealing at the transmission output shaft. It is used across applications such as 2002-2015 Toyota Tacoma rear, 2000-2001 Toyota 4Runner rear, 2004-2012 Chevrolet Colorado, 2004-2012 GMC Canyon, and 2006-2009 Pontiac Solstice rear, along with multiple Lexus GS, IS, and RC models. The seal’s reinforced construction and ribbed inner diameter are designed to support a secure fit on the shaft while helping maintain lubricant control under normal operating conditions.

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

What It Helps Fix

• Transmission fluid seepage at the output shaft seal area
• Contamination entering the transmission through a worn seal
• Heat-related seal wear from poor lubricant circulation
• Leakage caused by minor shaft surface imperfections
• Seal damage from previous installation or removal

Installation Notes and Tips

Inspect the output shaft surface, seal bore, and surrounding components before installation. Clean the sealing area thoroughly and verify the replacement seal matches the transmission application for your vehicle. For fitment-specific service, this part is used on 2013-2018 Lexus GS350, 2011-2018 Lexus IS350, 2015-2018 Lexus RC350, and 2002-2015 Toyota Tacoma rear applications, among others listed in the fitment data.

Quality Assurance

Timken oil and grease seals are built with precision sealing features and contamination control details to support reliable service life in transmission applications. Timken 710689 is backed by the brand’s sealing design and manufacturing focus for drivetrain service parts.