National 320583 Automatic Transmission Torque Converter Seal - Front

Overview of National 320583 Automatic Transmission Torque Converter Seal

The National 320583 automatic transmission torque converter seal is engineered to provide reliable sealing performance for various vehicle models including Chrysler, Dodge, Hyundai, Kia, Mitsubishi, and Plymouth. Designed with precision, this oil seal helps maintain transmission fluid integrity and prevents leaks in critical torque converter assemblies.

• Inside diameter: 1.693 inches (43.000 mm)
• Outside diameter: 2.374 inches (60.300 mm)
• Thickness: 0.315 inches (8.000 mm)
• Sealing material: Nitrile for durability and resistance
• Clockwise-spiral lip design for effective sealing
• Compatible with housing bore size of 2.362 inches (60.000 mm)

Detailed Product Description and Specifications

This National 320583 torque converter seal is constructed from nitrile, a material known for its resistance to heat, oil, and wear, making it suitable for demanding transmission environments. The seal features a clockwise-spiral lip design that enhances sealing efficiency by maintaining consistent contact with the shaft, reducing the risk of fluid leaks. With an inside diameter of 1.693 inches and an outside diameter of 2.374 inches, it fits precisely within the housing bore of 2.362 inches, ensuring a secure fit. The 0.315-inch thickness provides the necessary robustness to withstand transmission pressures and mechanical stresses.

Compatible Vehicles and Applications

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

• Chrysler 3000GT, Sebring, Stratus
• Dodge Stealth, Spirit
• Hyundai Accent, Elantra, Sonata, Tucson
• Kia Optima, Rio, Sportage
• Mitsubishi Eclipse, Galant, Lancer, Montero
• Plymouth Colt, Sundance

It is designed specifically for use in automatic transmission torque converters to maintain fluid containment and prevent contamination.

Common Issues Addressed by the National 320583 Seal

• Prevents transmission fluid leaks around the torque converter shaft
• Reduces risk of contamination entering the transmission system
• Maintains proper hydraulic pressure within the transmission
• Minimizes premature wear of transmission components due to fluid loss
• Helps avoid costly transmission repairs caused by seal failure

Installation Notes and Tips

• Ensure the housing bore and shaft are clean and free of debris before installation
• Use appropriate tools to avoid damaging the seal during installation
• Verify the seal orientation matches the clockwise-spiral lip design for optimal sealing
• Lubricate the seal lip with transmission fluid prior to installation to reduce initial wear
• Check for proper fit and alignment to prevent leaks and premature failure

Quality Assurance and Warranty Information

Manufactured by National, a recognized brand in transmission sealing systems, part number 320583 meets industry standards for durability and performance. The use of nitrile material and precise engineering ensures consistent sealing under normal operating conditions. While specific warranty details may vary, National typically offers coverage against manufacturing defects to provide confidence in product reliability.