National 224820 Wheel Seal

Reliable Wheel Seal for Audi, BMW, Toyota, and More

The National 224820 wheel seal is engineered to provide dependable sealing performance for a wide range of vehicles including Audi 4Runner, BMW 325iX, Toyota Tacoma, and Volkswagen Golf models. Designed with precision dimensions and durable nitrile material, this oil seal helps maintain driveline integrity and prevent leaks.

• Inside diameter: 1.890 inches (48.000 mm)
• Outside diameter: 2.445 inches (62.100 mm)
• Thickness/width: 0.315 inches (8.000 mm)
• Sealing material: Nitrile for resistance to oil and wear
• Compatible with multiple makes and models including Lexus GX470, Nissan Juke, and Porsche 928

Technical Specifications and Material Details

The National 224820 wheel seal belongs to the 220000 series and is constructed from nitrile, a synthetic rubber known for its excellent resistance to petroleum-based oils and high temperatures. The seal features a shaft diameter of 1.890 inches and a housing bore diameter of approximately 2.441 inches (62.000 mm), ensuring a precise fit in the driveline assembly. With a thickness of 0.315 inches, this oil seal provides a robust barrier against contaminants and fluid leakage, critical for maintaining axle and driveline performance.

Compatible Vehicles and Applications

This wheel seal is compatible with a broad range of vehicles, including but not limited to:

• Audi 4Runner and Volkswagen Golf City
• BMW 325iX and 735i
• Toyota Tacoma, Tundra, and Land Cruiser
• Lexus GX470 and LX470
• Nissan Juke and X-90
• Porsche 928 and TT

It is designed to replace worn or damaged seals in driveline and axle assemblies, helping to prevent oil leaks and contamination.

Common Issues Addressed by National 224820 Wheel Seal

• Prevents oil leaks from axle and wheel hubs
• Protects driveline components from dirt and debris ingress
• Reduces premature wear of bearings and shafts
• Maintains proper lubrication within the axle assembly
• Helps avoid costly driveline repairs due to seal failure

Installation Notes and Tips

When installing the National 224820 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. Verify the seal orientation matches the original part to maintain proper sealing function. Lubricate the seal lip lightly with compatible oil before installation to reduce initial wear.

Quality Assurance and Warranty

National wheel seals are manufactured to meet strict industry standards for durability and performance. The 224820 part number undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details may vary, National typically offers coverage against manufacturing defects to provide confidence in product reliability.