National 225010 Wheel Seal - Front Inner or Rear Outer

Overview of National 225010 Wheel Seal

The National 225010 wheel seal is engineered for reliable driveline protection in various vehicle models including Dodge, Ford, Mitsubishi, Saab, Subaru, and Volkswagen. Designed with precision, this oil seal ensures effective sealing performance to maintain axle integrity and prevent fluid leaks.

• Inside diameter: 1.969 inches (50.000 mm)
• Outside diameter: 2.565 inches (65.280 mm)
• Thickness/width: 0.315 inches (8.000 mm)
• Sealing material: durable nitrile compound
• Redicoat surface treatment for enhanced wear resistance
• Compatible with housing bore size of 2.559 inches (65.000 mm)
• Part type: Wheel Seal, Series 220000, Type 47

Technical Details and Material Specifications

The National 225010 wheel seal is constructed from nitrile, a synthetic rubber known for its resistance to oil, heat, and abrasion. The seal features a Redicoat coating that improves durability and extends service life by reducing friction and wear. With an inside diameter of 1.969 inches and an outside diameter of 2.565 inches, this seal fits precisely into housings with a bore diameter of 2.559 inches, ensuring a secure and leak-free fit. The 0.315-inch thickness provides adequate sealing surface area to maintain axle lubrication and prevent contamination.

Compatible Vehicles and Applications

This wheel seal is compatible with a range of vehicles, including popular models such as the Ford F-150, F-250, and F-350 Super Duty series, Dodge Ram 50, Mitsubishi Montero and Montero Sport, Subaru Forester, Impreza, Legacy, and Outback, Saab 9-2X and 9-2X B9 Tribeca, as well as Volkswagen Golf, Jetta, Passat, Corrado, Cabriolet, and Rabbit Convertible. The National 225010 is designed to meet the sealing requirements of these driveline and axle systems, providing reliable performance in both light trucks and passenger vehicles.

Common Issues Addressed by the National 225010 Wheel Seal

• Prevents axle oil leaks that can lead to driveline damage
• Protects against dirt and debris contamination in wheel bearings
• Reduces premature wear of axle components due to fluid loss
• Maintains proper lubrication for smooth wheel rotation
• Helps avoid costly repairs related to seal failure

Installation Notes and Tips

When installing the National 225010 wheel seal, ensure the housing bore and shaft surfaces are clean and free of debris. Use appropriate tools to press the seal evenly into the bore without damaging the sealing lip or nitrile material. Verify the seal orientation matches the original part, with the Redicoat side facing the lubricant. Lubricate the seal lip lightly before installation to reduce initial wear. Proper installation will help maintain the seal’s integrity and extend service intervals.

Quality Assurance and Warranty

National wheel seals, including part number 225010, are manufactured to meet industry standards for durability and performance. The use of nitrile material and Redicoat treatment ensures resistance to oil, heat, and wear. While specific warranty terms may vary, National products typically come with a limited warranty against manufacturing defects, providing confidence in the product’s reliability for compatible Dodge, Ford, Mitsubishi, Saab, Subaru, and Volkswagen models.