National 473179 Wheel Seal - Rear Outer

National 473179 Wheel Seal Overview

The National 473179 wheel seal is engineered for reliable driveline sealing in select Acura, Chevrolet, Ford, and Isuzu vehicles. Designed to maintain optimal lubrication and prevent contamination, this oil seal supports the performance and longevity of your vehicle's axle components.

• Inside diameter: 1.875 inches (47.630 mm)
• Outside diameter: 2.762 inches (70.150 mm)
• Thickness/width: 0.375 inches (9.530 mm)
• Sealing material: durable nitrile rubber
• Redicoat coating for enhanced corrosion resistance
• Compatible housing bore: 2.758 inches (70.050 mm)
• Part number: 473179, series 470000

Technical Details and Material Specifications

This National wheel seal (part number 473179) features a nitrile sealing material known for its resistance to oil, heat, and wear, making it suitable for demanding driveline applications. The seal’s precise dimensions, including a 1.875-inch shaft diameter and 2.762-inch outside diameter, ensure a secure fit within the housing bore of 2.758 inches. The Redicoat finish provides additional protection against corrosion, extending the service life of the seal in harsh environments.

Compatible Vehicles and Applications

This wheel seal is compatible with various models including the Acura SLX and VehiCROSS, Chevrolet S-10 Pickup and Blazer, Ford Bronco and F-100, as well as Isuzu Amigo, LUV, and Trooper. It is designed specifically for driveline and axle sealing systems, helping to maintain proper lubrication and prevent dirt and moisture ingress.

• Prevents oil leaks in wheel hubs and axle assemblies
• Protects bearings from contamination and premature wear
• Maintains driveline efficiency and reduces maintenance needs
• Helps avoid costly axle and differential damage

Installation Notes and Tips

When installing the National 473179 wheel seal, ensure the housing bore and shaft surfaces are clean and free of debris. Use appropriate tools to press the seal evenly into place without distortion. Verify the seal orientation matches the vehicle manufacturer’s specifications to ensure proper sealing performance.

Quality Assurance and Warranty

National wheel seals are manufactured to meet strict industry standards for durability and performance. The 473179 part is a zero duplication part, ensuring authenticity and precise fitment. While specific warranty terms may vary, National products typically come with a limited warranty against manufacturing defects, providing confidence in the product’s reliability.