National 481191V Automatic Transmission Output Shaft Seal - Right

Reliable Automatic Transmission Output Shaft Seal for Ford, Mazda, and Mercury

The National 481191V automatic transmission output shaft seal is engineered to provide durable sealing performance for select Ford Escape, Mazda Tribute, and Mercury Mariner models. Designed with precision dimensions and high-quality materials, this oil seal helps maintain transmission integrity and prevent fluid leaks.

Key Features of National 481191V Transmission Output Shaft Seal

• Inside diameter: 2.254 inches (57.250 mm) for accurate shaft fitment
• Outside diameter: 2.763 inches (70.180 mm) matching housing bore requirements
• Thickness: 0.340 inches (8.640 mm) ensuring proper sealing depth
• Bi-directional lip design for effective sealing under varying rotational directions
• Constructed from fluoro-elastomer material for enhanced chemical and heat resistance
• Redicoat surface treatment to improve durability and wear resistance
• Compatible with housing bore size of 2.756 inches (70.000 mm)

Detailed Description and Material Specifications

The National 481191V is part of the 480000 series of oil seals, specifically designed for automatic transmission output shafts. Its fluoro-elastomer construction offers superior resistance to transmission fluids, heat, and wear, which is critical for maintaining a reliable seal in demanding automotive environments. The bi-directional lip design ensures effective sealing regardless of shaft rotation direction, reducing the risk of leaks and contamination. The Redicoat treatment further enhances the seal's longevity by providing a protective coating that resists abrasion and corrosion.

Compatible Vehicles and Common Applications

This automatic transmission output shaft seal is compatible with the following vehicles:

• Ford Escape
• Mazda Tribute
• Mercury Mariner

It is designed to address issues such as:

• Preventing transmission fluid leaks from the output shaft area
• Reducing contamination ingress into the transmission system
• Maintaining proper lubrication within the transmission
• Minimizing wear on the output shaft and housing bore
• Ensuring consistent transmission performance and longevity

Installation Notes and Tips

When installing the National 481191V output shaft seal, ensure the housing bore and shaft are clean and free of debris. Proper alignment during installation is critical to avoid seal damage. Use appropriate tools to press the seal evenly into the housing bore without distortion. Verify the seal lip orientation matches the bi-directional design specifications to maintain optimal sealing performance.

Quality Assurance and Warranty Information

National manufactures the 481191V transmission output shaft seal to meet stringent quality standards. The use of fluoro-elastomer material and Redicoat treatment reflects a focus on durability and reliability. While specific warranty details are not provided, National products typically adhere to industry standards for automotive sealing components, ensuring dependable service life when installed correctly.