National 710157 Manual Transmission Input Shaft Seal

Overview of National 710157 Manual Transmission Input Shaft Seal

The National 710157 manual transmission input shaft seal is engineered to provide reliable sealing performance for select Acura and Honda models. Constructed from durable nitrile material, this oil seal is designed to maintain transmission integrity by preventing fluid leaks and contamination.

• Material: High-quality nitrile for resistance to oil and wear
• Inside Diameter: 1.102 inches (28.000 mm)
• Outside Diameter: 1.702 inches (43.230 mm)
• Thickness/Width: 0.276 inches (7.000 mm)
• Helix Type: Clockwise-spiral lip design for effective sealing
• Compatible with housing bore size approximately 1.693 inches (43.000 mm)

Technical Details and Specifications

This National 710157 input shaft seal features a 32-type design optimized for manual transmissions. The clockwise-spiral lip design enhances sealing efficiency by directing fluid back into the transmission, reducing leakage risk. The nitrile material offers excellent resistance to petroleum-based fluids and mechanical wear, ensuring durability under typical operating conditions. With precise dimensions including a 1.102-inch inside diameter and 1.702-inch outside diameter, this seal fits securely within the housing bore of 1.693 inches, providing a tight seal around the input shaft.

Compatible Vehicles and Applications

This manual transmission input shaft seal is compatible with a range of Acura and Honda vehicles, including but not limited to the Accord, Civic, CL, CR-V, CSX, Element, ILX, Legend, RSX, S2000, TL, and TSX models. It is specifically designed to meet the sealing requirements of these vehicles’ manual transmissions, ensuring proper fit and function.

Common Issues Addressed by the 710157 Input Shaft Seal

• Prevents transmission fluid leaks from the input shaft area
• Reduces contamination ingress that can damage transmission components
• Minimizes wear on the input shaft by maintaining proper lubrication
• Helps maintain transmission pressure and performance
• Prevents premature transmission seal failure due to material degradation

Installation Notes and Tips

• Ensure the transmission housing bore is clean and free of debris before installation
• Use appropriate tools to press the seal evenly into the bore without distortion
• Verify the seal’s orientation matches the clockwise-spiral lip design for optimal sealing
• Inspect the input shaft for wear or damage prior to installation
• Apply a light coating of transmission fluid to the seal lip to ease installation and initial operation

Quality Assurance and Warranty Information

National’s 710157 input shaft seal is manufactured to meet industry standards for durability and performance. The nitrile material and precise engineering contribute to a reliable sealing solution for manual transmissions. While specific warranty details may vary, National typically offers coverage against manufacturing defects to ensure customer confidence in product quality.