Timken 470898 Manual Transmission Output Shaft Seal - Rear

Timken 470898 Manual Transmission Output Shaft Seal

Timken 470898 is a manual transmission output shaft seal built to retain lubricant at the rear of the transmission while helping block dirt and debris from entering the assembly. It is a direct-fit service part for select Chevrolet and GMC manual transmission applications, including rear-position use on classic trucks and SUVs.

Key Features

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

Application Details

This Timken transmission seal is used in rear output shaft locations on manual transmissions. Compatible With 1968-1972 Chevrolet C10 Suburban, rear; 1968-1972 Chevrolet C20 Suburban, rear; 1968-1972 Chevrolet K10 Suburban, rear; 1968-1972 Chevrolet K20 Suburban, rear; 1969-1972 Chevrolet Blazer, rear; and 1970-1972 GMC Jimmy, rear. Timken 470898 is also cross-referenced to National 470898 and Remy 21108 for the same application.

What It Helps Fix

• Transmission fluid leaking from the rear output shaft area
• Contamination entering the manual transmission seal surface
• Heat-related seal wear at the output shaft lip
• Sealing issues caused by minor shaft surface imperfections
• Repeat leakage after a worn output shaft seal is replaced

Installation Notes and Tips

Verify the transmission uses the New Process output shaft seal configuration listed in the fitment notes before installation. Inspect the shaft surface for wear, clean the sealing area thoroughly, and seat the seal evenly to avoid distortion. Timken 470898 should be matched to the rear manual transmission application shown for your Chevrolet or GMC vehicle.

Quality Assurance

Timken oil and grease seals are engineered with reinforced construction and contamination control features to support reliable sealing performance in service.