Timken 450519 Manual Transmission Output Shaft Seal - Rear

Timken 450519 Manual Transmission Output Shaft Seal

The Timken 450519 manual transmission output shaft seal is built for rear transmission sealing on select Ford trucks and vans with Warner T18 applications. It helps keep gear oil in the transmission while blocking dirt and debris from entering the sealing area.

• Precision sealing design for manual transmission output shaft service
• Reinforced outer case helps resist installation damage
• Ribbed rubber inner diameter seals minor spindle imperfections and supports positive seating
• Internal contamination exclusion system helps reduce debris intrusion
• Vent holes promote lubricant flow around the seal lip to reduce heat build-up
• Cross-reference: Gates 24910 for the same application

Application Details

Compatible With rear manual transmission applications on 1966-1987 Ford Bronco, 1969-1974 Ford E-100 Econoline, 1975-1979 Ford F-100, 1975-1979 Ford F-150, 1975-1979 Ford F-250, and 1975-1979 Ford F-350. Select listings note Warner T18, 35-spline, 3.26 in. O.D. configurations. This Timken 450519 seal is a direct-fit service part for the rear output shaft area on these Ford manual transmission setups.

What It Helps Address

• Transmission fluid leakage at the rear output shaft
• Contamination entering the seal area
• Seal wear from heat build-up
• Leakage caused by minor shaft surface imperfections
• Damage during seal installation

Installation Notes

Verify the transmission configuration, spline count, and outside diameter before installation. Clean the sealing surface thoroughly and inspect the output shaft for wear, scoring, or burrs that could affect sealing performance. Proper seating is important for rear output shaft seal service on Ford Bronco, F-150, F-250, F-350, and E-100 Econoline manual transmissions.

Quality Assurance

Timken manufactures oil and grease seals with precision sealing designs and contamination control features for drivetrain service. Part number 450519 is engineered for consistent sealing performance in the specified Ford manual transmission applications.