National 710442 Automatic Transmission Torque Converter Seal

Overview of National 710442 Automatic Transmission Torque Converter Seal

The National 710442 automatic transmission torque converter seal is engineered to provide reliable sealing performance for a range of vehicles including Geo, INFINITI, Isuzu, Jaguar, Land Rover, Mazda, Nissan, and Volkswagen models. Designed with precision, this polyacrylate oil seal ensures effective containment of transmission fluid, helping maintain optimal transmission function.

• Material: Durable polyacrylate for enhanced wear resistance
• Inside Diameter: 1.654 inches (42.000 mm)
• Outside Diameter: 2.327 inches (59.100 mm)
• Thickness: 0.295 inches (7.500 mm)
• Helix Type: Clockwise-spiral lip design for improved sealing
• Housing Bore Compatibility: 2.323 inches (59.000 mm)
• Part Number: 710442, Series 710400

Detailed Product Description

The National 710442 torque converter seal is crafted from polyacrylate, a material known for its resistance to heat and transmission fluids, ensuring long-lasting durability. Its precise dimensions, including an inside diameter of 1.654 inches and an outside diameter of 2.327 inches, make it suitable for specific automatic transmission applications. The clockwise-spiral lip design enhances sealing efficiency by preventing fluid leaks under varying operating conditions. This seal is part of National's 710400 series, which focuses on high-quality gaskets and sealing systems for transmission components.

Compatible Vehicles and Applications

This automatic transmission torque converter seal is compatible with multiple vehicle makes and models, including:

• Geo 200SX, Storm
• INFINITI G20, I-Mark
• Isuzu Impulse
• Jaguar X-Type
• Land Rover Freelander
• Mazda MPV
• Nissan Sentra, Versa
• Volkswagen Golf, Jetta, Jetta City

Common Issues Addressed by the National 710442 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 to protect transmission components
• Helps avoid premature transmission wear and costly repairs

Installation Notes and Tips

• Ensure the housing bore and shaft dimensions match the seal specifications (inside diameter 1.654 inches, housing bore 2.323 inches)
• Clean the sealing surfaces thoroughly before installation to prevent leaks
• Use appropriate tools to avoid damaging the seal lip during installation
• Verify the clockwise-spiral lip orientation aligns with the torque converter rotation
• Consult vehicle-specific service manuals for torque converter removal and seal replacement procedures

Quality Assurance and Warranty

National manufactures the 710442 torque converter seal to meet industry standards for transmission sealing components. The polyacrylate material and precise engineering contribute to consistent performance and durability. While specific warranty details may vary, National typically offers coverage against manufacturing defects to ensure customer confidence in the product's reliability.