National 710445 Automatic Transmission Torque Converter Seal

Overview of National 710445 Automatic Transmission Torque Converter Seal

The National 710445 automatic transmission torque converter seal is designed specifically for Honda Civic models, providing reliable sealing performance. Made from durable nitrile material, this oil seal ensures effective protection against fluid leaks in your vehicle's transmission system.

• Constructed from high-quality nitrile for enhanced durability
• Inside diameter of 0.748 inches (19.000 mm) for precise fit
• Outside diameter measures 1.386 inches (35.200 mm) to match housing bore
• Thickness of 0.315 inches (8.000 mm) for optimal sealing
• Compatible with Honda Civic automatic transmissions
• Part number 710445 for easy identification and replacement

Detailed Product Description and Specifications

This National automatic transmission torque converter seal (part number 710445) belongs to the 710400 series and is engineered to maintain the integrity of your Honda Civic's transmission system. The seal features a 0.748 inch (19 mm) inside diameter and a 1.386 inch (35.2 mm) outside diameter, matching the housing bore size of 1.378 inches (35 mm) to ensure a secure fit. With a thickness of 0.315 inches (8 mm), the seal provides a reliable barrier against transmission fluid leaks. The nitrile material offers resistance to heat, oil, and wear, making it suitable for the demanding environment inside an automatic transmission.

Common Applications and Problem Solving

This torque converter seal is used to prevent transmission fluid leakage and maintain proper pressure within the torque converter assembly. It addresses several common issues including:

• Preventing automatic transmission fluid leaks in Honda Civic models
• Reducing contamination of transmission components by sealing fluid passages
• Maintaining hydraulic pressure for smooth torque converter operation
• Minimizing premature wear of transmission parts due to fluid loss
• Ensuring consistent transmission performance and longevity

Installation Notes and Tips

When installing the National 710445 torque converter seal, ensure the following for optimal performance:

• Clean the housing bore and shaft thoroughly before installation
• Use appropriate tools to avoid damaging the seal during placement
• Verify the seal orientation matches manufacturer specifications
• Check for proper seating to prevent leaks and premature failure
• Consult the Honda Civic service manual for torque converter removal and installation procedures

Quality Assurance and Warranty Information

National manufactures this torque converter seal to meet industry standards for durability and performance. The nitrile material is selected for its resistance to heat and oil degradation, ensuring a dependable seal over time. Part number 710445 is backed by National's quality control processes, although specific warranty details should be confirmed through the product documentation or authorized distributors.