Timken 1987S Manual Transmission Output Shaft Seal - Front or Rear

Reliable Manual Transmission Output Shaft Seal for Select Vehicles

The Timken 1987S manual transmission output shaft seal is engineered to provide a precise fit and durable sealing performance. Designed for use in various Chevrolet, Geo, Isuzu, Pontiac, and Toyota models, this seal helps maintain transmission integrity by preventing fluid leaks.

• Constructed from durable N-polyacrylate material for effective sealing
• Outside diameter options: 1.954 inches (49.63 mm)
• Shaft diameter options: 1.375 inches (34.92 mm)
• Housing bore dimensions: 1.937 inches (49.20 mm)
• Seal width: 0.235 inches (5.97 mm)

Precision Dimensions and Material for Optimal Performance

The Timken 1987S output shaft seal features carefully specified dimensions to ensure compatibility with manual transmissions in vehicles such as the Toyota Celica, Corolla, Supra, and Tacoma, as well as Chevrolet Nova and Pontiac models. The seal’s N-polyacrylate construction offers resistance to heat and transmission fluids, maintaining a secure barrier around the output shaft. With an outside diameter of approximately 1.954 inches and a shaft diameter of 1.375 inches, this seal fits housing bores measuring close to 1.937 inches, providing a tight and reliable seal to prevent leaks and contamination.

Compatible Vehicles and Applications

This manual transmission output shaft seal is compatible with a range of vehicles, including:

• Chevrolet Nova and Pickup models
• Geo Prizm and Metro
• Isuzu Trooper and LUV
• Pontiac models such as the Sunfire
• Toyota models including Celica, Corolla, Cressida, Echo, MR2, Prius, Supra, Tercel, and T1000

Common Issues Addressed by the Timken 1987S Seal

• Prevents transmission fluid leaks from the output shaft area
• Reduces contamination ingress into the transmission system
• Minimizes wear on transmission components by maintaining proper lubrication
• Helps avoid costly transmission repairs due to seal failure
• Maintains consistent transmission performance and reliability

Installation Notes and Tips

When installing the Timken 1987S output shaft seal, ensure the transmission output shaft and housing bore are clean and free of debris. Use appropriate tools to press the seal evenly into the housing bore without damaging the sealing lip. Verify the seal orientation matches the original part to maintain proper sealing function. It is recommended to inspect related transmission components during installation for wear or damage.

Quality Assurance and Warranty

Timken manufactures the 1987S output shaft seal to meet stringent quality standards, ensuring durability and reliable sealing performance. The use of N-polyacrylate material provides resistance to heat and transmission fluids, contributing to long service life. While specific warranty details may vary, Timken products typically come with a limited warranty against manufacturing defects, supporting confidence in product quality.