National 481837 Wheel Seal - Rear, Rear Inner or Rear Outer

National 481837 Wheel Seal Overview

The National 481837 wheel seal is engineered to provide reliable sealing performance for driveline and axle applications. Designed specifically for select Chevrolet, GMC, and Jeep models, this oil seal helps maintain proper lubrication and prevent contamination in wheel hubs.

• Inside diameter: 1.500 inch (38.100 mm)
• Outside diameter: 2.506 inch (63.650 mm)
• Housing bore: 2.502 inch (63.550 mm)
• Width: 0.375 inch (9.530 mm)
• Material: durable nitrile rubber
• Redicoat coating for enhanced corrosion resistance
• Part of the National 480000 series

Detailed Product Description

The National 481837 wheel seal is constructed from nitrile, a material known for its resistance to oil, heat, and wear, making it suitable for demanding automotive environments. Its precise dimensions, including a 1.500 inch shaft diameter and 2.506 inch outside diameter, ensure a secure fit within the wheel hub assembly. The Redicoat treatment adds a protective layer to prevent corrosion and extend the seal's service life. This oil seal is designed to maintain a tight barrier between the axle shaft and the housing bore, preventing lubricant leakage and blocking dirt and moisture ingress.

Compatible Vehicles and Applications

This wheel seal is compatible with a range of Chevrolet, GMC, and Jeep vehicles, including:

• Chevrolet Blazer, C10 Suburban, J10, K10 Suburban
• GMC Jimmy
• Jeep Cherokee, CJ5, Comanche, Grand Wagoneer, Wagoneer

Use the National 481837 wheel seal to replace worn or damaged seals in these models to maintain driveline integrity and performance.

Common Issues Addressed by This Wheel Seal

• Prevents axle lubricant leaks that can cause premature wear
• Blocks dirt and moisture from entering the wheel hub
• Reduces risk of corrosion on axle components
• Maintains proper sealing pressure for consistent performance
• Helps avoid costly driveline repairs due to seal failure

Installation Notes and Tips

• Ensure the housing bore and shaft are clean and free of debris before installation
• Use appropriate tools to press the seal evenly into the hub without damage
• Check the seal orientation; the lip should face the lubricant side
• Inspect the shaft for wear or damage that could compromise the seal
• Apply a light coating of lubricant on the seal lip to ease installation

Quality Assurance and Warranty

Manufactured by National, a trusted name in sealing solutions, the 481837 wheel seal meets industry standards for durability and performance. The product is part of the 480000 series, known for consistent quality in driveline sealing applications. While specific warranty details may vary, National typically offers coverage against manufacturing defects to ensure customer confidence in their products.