Timken 221820 Manual Transmission Shift Shaft Seal

Reliable Manual Transmission Shift Shaft Seal for Honda and Toyota

The Timken 221820 manual transmission shift shaft seal is engineered to provide durable sealing performance for a range of vehicles including Honda, Toyota, Subaru, Volkswagen, and Scion models. Designed with precision dimensions and high-quality S-nitrile material, this seal helps maintain transmission integrity and prevent fluid leaks.

• Constructed from durable S-nitrile material for resistance to heat and wear
• Outside diameter options: 1.190 inches (30.23 mm) for precise fit
• Shaft diameter: 0.709 inches (18.00 mm) ensuring proper sealing around the shift shaft
• Housing bore diameter: 1.181 inches (30.00 mm) for secure installation
• Seal width: 0.315 inches (8.00 mm) for effective sealing depth

Detailed Specifications and Material Benefits

The Timken 221820 shift shaft seal is manufactured using S-nitrile, a synthetic rubber known for its excellent resistance to petroleum-based fluids, heat, and abrasion. This material choice ensures the seal maintains its integrity under the demanding conditions of manual transmissions. The precise outside diameter of 1.190 inches (30.23 mm) and shaft diameter of 0.709 inches (18.00 mm) allow for a tight fit around the shift shaft, minimizing the risk of leaks. The housing bore diameter of 1.181 inches (30.00 mm) and seal width of 0.315 inches (8.00 mm) provide a secure and stable installation within the transmission assembly.

Compatible Vehicles and Applications

This manual transmission shift shaft seal is compatible with a variety of popular vehicle makes and models, including Honda Civic, Fit, and Insight; Toyota Camry, Corolla, 4Runner, MR2, and Solara; Subaru Impreza; Volkswagen Jetta, Rabbit Convertible, Rabbit Pickup, and Standard; as well as Scion xB and Matrix. The Timken 221820 is designed to meet the sealing requirements of these vehicles’ manual transmissions, ensuring reliable performance and leak prevention.

• Prevents transmission fluid leaks around the shift shaft
• Reduces contamination ingress into the transmission system
• Maintains proper lubrication within the manual transmission
• Helps avoid premature wear of transmission components
• Supports smooth shifting performance by preserving seal integrity

Installation Notes and Tips

When installing the Timken 221820 shift shaft seal, ensure the transmission housing bore is clean and free of debris. Lubricate the seal lip lightly with transmission fluid or compatible grease to ease installation and prevent damage. Press the seal evenly into the housing bore to avoid distortion. Verify the shaft diameter matches the seal specifications to ensure a proper fit. It is recommended to inspect related transmission components during installation for wear or damage.

Quality Assurance and Warranty

Timken manufactures the 221820 shift shaft seal to meet strict quality standards, ensuring consistent dimensions and material properties. The use of S-nitrile material provides reliable resistance to heat and fluid exposure typical in manual transmissions. While specific warranty details may vary, Timken products generally come with a limited warranty against manufacturing defects, supporting confidence in product durability and performance.