National 710582 Automatic Transmission Output Shaft Seal - Left or Right

Overview of National 710582 Automatic Transmission Output Shaft Seal

The National 710582 automatic transmission output shaft seal is engineered to provide reliable sealing performance for various European vehicles. Designed with a bi-directional lip and constructed from durable fluoro-elastomer, this oil seal ensures effective protection against fluid leaks in transmission systems.

• Inside diameter: 1.535 inches (39.000 mm)
• Outside diameter: 2.488 inches (63.200 mm)
• Thickness/width: 0.339 inches (8.600 mm)
• Bi-directional lip design for enhanced sealing
• Material: Fluoro-elastomer for high resistance to heat and chemicals
• Compatible housing bore: 2.480 inches (63.000 mm)

Technical Details and Specifications

The National 710582 output shaft seal belongs to the 710500 series and features a 32-type design optimized for automatic transmissions. Its fluoro-elastomer construction offers excellent durability and resistance to transmission fluids, heat, and wear. The bi-directional lip design helps maintain a secure seal under varying rotational directions and pressures, reducing the risk of leaks and contamination. With precise dimensions including a 1.535-inch inside diameter and a 2.488-inch outside diameter, this seal fits tightly within the housing bore of 2.480 inches, ensuring proper installation and function.

Compatible Vehicles and Applications

This transmission output shaft seal is compatible with a range of European makes and models, including Audi, Fiat, Mini, Volkswagen, and Volvo. Specific vehicle models supported include Audi A3, A3 Quattro, A5 Quattro, Volkswagen Golf, Golf SportWagen, Jetta, Passat, Tiguan, and Volvo S40, S60, V70, XC90 among others. The part number 710582 is suitable for use in automatic transmission systems requiring a reliable oil seal to prevent fluid leakage and maintain transmission integrity.

Common Issues Addressed by the National 710582 Seal

• Prevents automatic transmission fluid leaks from the output shaft
• Reduces contamination ingress that can damage transmission components
• Minimizes wear caused by fluid loss and dirt exposure
• Maintains proper pressure and lubrication within the transmission
• Helps avoid costly transmission repairs due to seal failure

Installation Notes and Tips

Ensure the housing bore and shaft surfaces are 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 bi-directional lip design for optimal sealing performance. Lubricate the seal lip lightly with transmission fluid to reduce initial wear during startup. Follow vehicle-specific service manual instructions for torque specifications and installation procedures.

Quality Assurance and Warranty

National transmission seals are manufactured to meet industry standards for durability and performance. The fluoro-elastomer material and precision engineering provide consistent sealing under demanding conditions. While specific warranty details may vary, National products typically come with a limited warranty against manufacturing defects, ensuring confidence in the 710582 automatic transmission output shaft seal for your Audi, Volkswagen, Mini, Fiat, or Volvo vehicle.