Timken 340724 Manual Transmission Shift Shaft Seal

Reliable Manual Transmission Shift Shaft Seal for Chevrolet Vehicles

The Timken 340724 manual transmission shift shaft seal is engineered to provide a precise fit and durable sealing solution for select Chevrolet models. Designed with S-nitrile material, this seal ensures effective protection against leaks and contamination in your vehicle's transmission system.

• Constructed from high-quality S-nitrile for enhanced resistance to oil and heat
• Outside diameter measures 1.006 inches (25.55 mm) for accurate housing bore fitment
• Shaft diameter of 0.614 inches (15.60 mm) ensures proper sealing around the shift shaft
• Seal width of 0.250 inches (6.35 mm) for reliable sealing performance
• Compatible with Chevrolet Bel Air and Impala manual transmissions

Detailed Specifications and Material Benefits

The Timken 340724 shift shaft seal is manufactured using S-nitrile, a synthetic rubber known for its excellent resistance to petroleum-based fluids and high temperatures commonly found in automotive transmissions. The seal's precise dimensions, including an outside diameter of approximately 1.006 inches (25.55 mm) and a housing bore diameter of 0.999 inches (25.37 mm), ensure a snug fit within the transmission housing. The shaft diameter of 0.614 inches (15.60 mm) matches the shift shaft size, providing a tight seal to prevent fluid leakage. With a width of 0.250 inches (6.35 mm), this seal maintains durability and flexibility under operational stresses.

Applications and Problem Solving

This manual transmission shift shaft seal is specifically designed for use in Chevrolet Bel Air and Impala models, making it a suitable replacement part for maintaining transmission integrity. It addresses several common issues, including:

• Preventing transmission fluid leaks around the shift shaft
• Reducing contamination ingress that can cause premature wear
• Maintaining proper lubrication within the manual transmission system
• Minimizing shift shaft seal degradation due to heat and oil exposure
• Ensuring smooth gear shifting by preserving seal integrity

Installation Notes and Tips

When installing the Timken 340724 shift shaft seal, ensure the transmission housing bore and shaft are clean and free of debris. Lubricate the seal lip lightly with transmission fluid to facilitate installation and prevent damage. Use appropriate tools to press the seal evenly into the housing bore without distortion. Verify the seal is seated flush and inspect for any signs of damage before reassembling the transmission components.

Quality Assurance and Warranty

Timken manufactures the 340724 shift shaft seal to meet stringent quality standards, ensuring reliable performance in manual transmission applications. The use of S-nitrile material and precise dimensional tolerances contribute to the product's durability. While specific warranty details may vary, Timken products typically come with a limited warranty against manufacturing defects, providing confidence in the part's longevity and function.