National 223542 Wheel Seal

Overview of National 223542 Wheel Seal

The National 223542 wheel seal is engineered for reliable driveline protection in various vehicle models including BMW 318i, Toyota Corolla, and Nissan Frontier. Designed with precision, this oil seal ensures effective sealing performance to maintain axle integrity and prevent fluid leaks.

• Inside diameter: 1.378 inches (35.000 mm)
• Outside diameter: 2.174 inches (55.230 mm)
• Thickness/width: 0.433 inches (11.000 mm)
• Sealing material: durable polyacrylate
• Compatible with housing bore size: 2.165 inches (55.000 mm)

Technical Specifications and Material Details

The National 223542 wheel seal is constructed from polyacrylate, a material known for its resistance to heat, oil, and wear, making it suitable for demanding driveline applications. The seal’s dimensions include a 1.378-inch shaft diameter and a 2.174-inch outside diameter, fitting precisely into housings with a 2.165-inch bore. This part belongs to the 220000 series, designed specifically for wheel sealing systems in vehicles such as the BMW 320i, Pontiac Sunburst, and Volvo 940.

Compatible Vehicles and Applications

This wheel seal is compatible with a range of makes and models, including BMW 318i and 320i, Chevrolet Spectrum, Geo Storm, Isuzu Impulse, Nissan Frontier and Xterra, Pontiac Sunburst and Stylus, Toyota Corolla and Tercel, and Volvo 720 and 940. It is ideal for use in driveline and axle assemblies where maintaining oil containment and preventing contamination is critical.

Common Issues Addressed by National 223542 Wheel Seal

• Prevents axle oil leaks that can cause driveline damage
• Protects against dirt and debris entering the wheel hub
• Reduces wear on axle shafts by maintaining proper lubrication
• Helps avoid costly repairs due to seal failure
• Maintains optimal performance of wheel bearings and related components

Installation Notes and Tips

Ensure the housing bore and shaft surfaces are clean and free of debris before installation. Use appropriate tools to press the seal evenly into the bore without distortion. Verify the seal orientation matches the vehicle’s specifications to maintain proper sealing function. Lubricate the seal lip lightly with compatible oil to reduce initial wear during startup.

Quality Assurance and Warranty

National wheel seals are manufactured to meet industry standards for durability and performance. The 223542 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 support long-term reliability in automotive driveline applications.