National 710419 Manual Transmission Output Shaft Seal - Front, Left or Rear

Overview of National 710419 Manual Transmission Output Shaft Seal

The National 710419 manual transmission output shaft seal is engineered to provide reliable sealing performance for a range of vehicles including Chevrolet, Toyota, Lexus, Pontiac, Geo, and Scion models. Designed with durable nitrile material, this oil seal helps maintain transmission integrity by preventing fluid leaks and contamination.

• Inside diameter: 1.378 inches (35.000 mm)
• Outside diameter: 2.491 inches (63.280 mm)
• Thickness: 0.394 inches (10.000 mm)
• Overall width with side lip: 0.650 inches (16.500 mm)
• Sealing material: Nitrile for enhanced durability and resistance
• Compatible with multiple vehicle makes and models

Detailed Product Description and Specifications

The National 710419 output shaft seal is part of the 710400 series, designed specifically for manual transmissions. Constructed from nitrile, a synthetic rubber known for its resistance to oil, heat, and wear, this seal ensures a tight fit around the transmission output shaft. The seal’s inside diameter measures 1.378 inches (35 mm), matching the shaft size for a secure seal, while the outside diameter of 2.491 inches (63.280 mm) fits precisely within the housing bore of 2.480 inches (63 mm). The thickness of 0.394 inches (10 mm) and an overall width including the side lip of 0.650 inches (16.5 mm) provide the necessary coverage to prevent leaks and protect transmission components.

Compatible Vehicles and Applications

This manual transmission output shaft seal is compatible with a variety of vehicles, including Chevrolet models like the Nova and Pickup, Toyota models such as the Camry, Corolla, 4Runner, and RAV4, as well as Lexus RX300, RX330, and RX350. It also fits Pontiac, Geo, and Scion models including the Vibe, xA, xB, and xD. The part number 710419 ensures you are selecting the correct seal for these applications.

Common Issues Addressed by the National 710419 Seal

• Prevents transmission fluid leaks from the output shaft area
• Protects transmission internals from dirt and contaminants
• Reduces risk of premature transmission wear due to fluid loss
• Maintains proper lubrication within the manual transmission system
• Helps avoid costly transmission repairs caused by seal failure

Installation Notes and Tips

• Ensure the transmission output shaft and housing bore are clean and free of debris before installation
• Use appropriate tools to press the seal evenly into the housing bore without damage
• Verify the seal’s orientation matches the original part to maintain proper sealing function
• Check for any signs of wear or damage on the shaft that could affect seal performance
• Consult vehicle-specific service manuals for torque specifications and installation procedures

Quality Assurance and Warranty Information

National manufactures the 710419 output shaft seal to meet industry standards for durability and performance. Made from high-quality nitrile material, this seal is designed to withstand the demanding conditions of manual transmissions. While specific warranty details may vary, National typically offers coverage against manufacturing defects to ensure customer confidence in the product’s reliability.