National 710561 Automatic Transmission Torque Converter Seal

Overview of National 710561 Automatic Transmission Torque Converter Seal

The National 710561 automatic transmission torque converter seal is engineered to provide reliable sealing performance for a range of vehicles including Buick, Cadillac, Chevrolet, Ford, GMC, Lincoln, Mazda, Mercury, Pontiac, Saab, Saturn, and Suzuki models. Designed with precision dimensions and durable materials, this seal helps maintain transmission fluid integrity and prevents leaks in critical torque converter assemblies.

• Inside diameter options: 2.059 inches (52.3 mm)
• Outside diameter: 2.852 inches (72.45 mm)
• Flanged outside diameter: 3.071 inches (78 mm)
• Thickness: 0.398 inches (10.1 mm)
• Material: Fluoro-elastomer for enhanced chemical and heat resistance
• Helix type: Clockwise-spiral lip design for effective sealing
• Compatible housing bore: 2.846 inches (72.3 mm)

Detailed Product Description

The National 710561 torque converter seal is constructed from fluoro-elastomer, a material known for its resistance to heat, oil, and chemical degradation, making it suitable for demanding transmission environments. The seal features a clockwise-spiral lip design that ensures a tight fit around the shaft and housing bore, minimizing fluid leakage and maintaining transmission efficiency. With precise dimensions including a 2.059-inch inside diameter and a 2.852-inch outside diameter, this seal fits securely within the torque converter housing bore of 2.846 inches. The flanged outside diameter of 3.071 inches provides additional stability during operation.

Compatible Vehicles and Applications

This automatic transmission torque converter seal is compatible with a wide range of vehicles, including but not limited to:

• Buick LaCrosse, Regal, and Enclave
• Cadillac SRX, XTS, and CTS
• Chevrolet Malibu, Equinox, and Traverse
• Ford Explorer, Fusion, and Taurus
• GMC Terrain and Acadia
• Mazda CX-9
• Mercury Sable and Mountaineer
• Pontiac G6 and Torrent
• Saab 9-4X
• Saturn Aura and Vue
• Suzuki XL-7

Common Issues Addressed by the 710561 Seal

• Prevents automatic transmission fluid leaks around the torque converter
• Reduces risk of transmission overheating due to fluid loss
• Maintains proper hydraulic pressure within the transmission system
• Minimizes contamination ingress into the transmission assembly
• Helps avoid premature transmission wear and failure

Installation Notes and Tips

Ensure the torque converter housing bore and shaft are clean and free of debris before installing the National 710561 seal. Use appropriate tools to press the seal evenly into place without damaging the flanged lip. Verify the seal orientation matches the clockwise-spiral lip design for optimal sealing performance. It is recommended to inspect related transmission components during installation to address any additional wear or damage.

Quality Assurance and Warranty

National transmission seals are manufactured to meet OEM specifications, ensuring consistent fit and function. The fluoro-elastomer material provides durability under high temperature and chemical exposure typical of automatic transmissions. While specific warranty details for part number 710561 are not provided, National products generally adhere to industry standards for quality and reliability.