Timken 472705 Manual Transmission Shift Shaft Seal

Timken 472705 Manual Transmission Shift Shaft Seal

The Timken 472705 manual transmission shift shaft seal is built to help retain transmission lubricant and block outside contamination at the shift shaft. It is a direct-fit sealing component for select GM compact cars, including Buick Skyhawk, Oldsmobile Firenza, and Cadillac Cimarron applications.

Key Features

• Precision sealing design helps reduce lubricant loss at the shift shaft
• Reinforced outer case helps resist installation damage and improve durability
• Ribbed rubber inner diameter helps seal minor spindle imperfections and promote secure seating
• Internal contamination exclusion system helps keep debris out of the sealing area
• Vent holes allow lubricant flow around the seal lip to help manage heat buildup

Detailed Description

Timken 472705 is a manual transmission shift shaft seal engineered for applications that require dependable sealing at the transmission shift shaft. It is compatible with 1982-1987 Buick Skyhawk, 1982-1987 Oldsmobile Firenza, and 1982-1985 Cadillac Cimarron models. This part cross-references National 472705 for the same application. The seal’s reinforced case, ribbed inner diameter, and contamination-control features are designed to support consistent sealing performance in service.

What It Helps Solve

• Transmission fluid seepage around the shift shaft
• Contamination entering the shift shaft sealing area
• Seal wear related to minor shaft surface imperfections
• Heat-related seal deterioration from poor lubricant circulation
• Leak concerns during manual transmission service on Buick Skyhawk, Oldsmobile Firenza, and Cadillac Cimarron vehicles

Installation Notes and Tips

Verify the transmission application and shaft dimensions before installation. Clean the sealing bore and shaft surface thoroughly, and inspect for scoring or burrs that could affect sealing. Proper alignment during installation is important to avoid damaging the seal case or lip. Confirm the vehicle match for 1982-1987 Buick Skyhawk, 1982-1987 Oldsmobile Firenza, or 1982-1985 Cadillac Cimarron before service.

Quality Assurance

Timken manufactures this seal with a reinforced outer case and contamination-exclusion features to support reliable transmission sealing performance. Part number 472705 is built for the listed manual transmission applications.