Timken 1990 Manual Transmission Input Shaft Seal - Front or Outer

Reliable Manual Transmission Input Shaft Seal for Select Vehicles

The Timken 1990 manual transmission input shaft seal is engineered to provide a precise fit and durable sealing performance. Designed for compatibility with various Chevrolet, Ford, Honda, Isuzu, Kia, Mazda, Mercury, and Pontiac models, this seal helps maintain transmission integrity and prevent fluid leaks.

• Outside diameter options: 1.702 inches (43.23 mm)
• Shaft diameter options: 1.063 inches (27.00 mm)
• Housing bore sizes: 1.693 inches (43.00 mm)
• Width: 0.354 inches (9.00 mm)
• Helix type: Clockwise (CW) for optimal sealing
• Material: N-polyacrylate for enhanced durability and resistance

Technical Details and Material Specifications

The Timken 1990 input shaft seal features a robust N-polyacrylate construction, chosen for its resistance to heat, oil, and wear commonly encountered in manual transmission environments. The seal’s precise dimensions, including an outside diameter of 1.702 inches (43.23 mm) and a shaft diameter of 1.063 inches (27.00 mm), ensure a secure fit within the housing bore measuring approximately 1.693 inches (43.00 mm). The 0.354 inch (9.00 mm) width provides adequate sealing surface area, while the clockwise helix design aids in maintaining a tight seal under rotational forces.

Compatible Vehicles and Applications

This manual transmission input shaft seal is compatible with a range of vehicles, including Chevrolet models like the S-10 and Blazer, Ford vehicles such as the Ranger and Explorer, Honda Accord, Isuzu Trooper, Kia Sephia, Mazda 323 and RX-7, Mercury Cougar, and Pontiac models including the Sunfire. The Timken 1990 seal is suitable for manual transmissions requiring a reliable input shaft seal to prevent leaks and contamination.

• Prevents transmission fluid leaks around the input shaft
• Protects transmission internals from dirt and debris ingress
• Maintains proper lubrication within the transmission system
• Reduces wear on transmission components by ensuring a tight seal
• Helps avoid costly transmission repairs due to seal failure

Installation Notes and Tips

When installing the Timken 1990 input shaft seal, ensure the transmission input shaft and housing bore are clean and free of debris. Use appropriate tools to press the seal evenly into the bore without damaging the sealing lip. Verify the helix direction matches the rotation of the input shaft to maintain proper sealing function. Avoid using excessive force during installation to prevent seal distortion.

Quality Assurance and Warranty

Timken manufactures the 1990 input shaft seal to meet stringent quality standards, ensuring consistent performance and durability. The use of N-polyacrylate material and precise manufacturing tolerances contribute to the seal’s reliability in demanding transmission applications. Warranty details are provided by Timken and should be referenced through official documentation or authorized distributors.