National 229010 Wheel Seal - Rear or Rear Inner

National 229010 Wheel Seal Overview

The National 229010 wheel seal is engineered for reliable driveline sealing in various vehicle models including BMW, Ford, Kia, Mazda, Mercury, and Toyota. Designed with precision, this oil seal ensures effective protection against contaminants and fluid leaks in wheel hubs.

• Inside diameter: 90.000 mm (3.543 inches)
• Outside diameter: 110.310 mm (4.343 inches)
• Thickness/width: 8.500 mm (0.335 inches)
• Sealing material: Durable silicone
• Counter-clockwise spiral lip design for enhanced sealing
• Compatible housing bore: 110.000 mm (4.331 inches)

Technical Details and Material Specifications

This National wheel seal (part number 229010) features a silicone sealing material known for its resistance to heat, oil, and wear, making it suitable for demanding automotive applications. The counter-clockwise spiral lip design improves sealing efficiency by maintaining consistent contact with the shaft, reducing the risk of leaks. With an inside diameter of 90 mm and an outside diameter of 110.31 mm, this seal fits precisely within the housing bore of 110 mm, ensuring a secure fit on shafts measuring 90 mm in diameter.

Compatible Vehicles and Applications

The 229010 wheel seal is compatible with a range of vehicles, including BMW models such as the 1 Series M, 128i, 135i, 320i, 328i, 335i, 428i, 435i, 528i, 535i, 640i, 740i, and M series variants. It also fits Ford models like the B2000, B2200, B2600, and Tempo, as well as Kia Sportage, Mazda MPV, MX-6, and Probe, Mercury Lynx and Topaz, and Toyota Camry, Celica, Corolla, and Escort. This wide fitment range makes it a versatile choice for driveline maintenance and repair.

Common Issues Addressed by National 229010 Wheel Seal

• Prevents oil leaks from wheel hubs and axle assemblies
• Protects driveline components from dirt, dust, and moisture intrusion
• Reduces premature wear of bearings and shafts
• Maintains proper lubrication within the axle housing
• Helps avoid costly driveline repairs due to seal failure

Installation Notes and Tips

When installing the National 229010 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 counter-clockwise spiral lip design for optimal performance. Lubricate the seal lip lightly with compatible oil before installation to reduce initial wear. Proper installation will extend the service life of the seal and associated driveline components.

Quality Assurance and Warranty

National wheel seals are manufactured to meet stringent OEM standards for durability and performance. The silicone material and precision design contribute to consistent sealing under various operating conditions. While specific warranty details may vary, National products typically come with a limited warranty against manufacturing defects, providing confidence in product reliability for professional automotive repairs.