National 474134 Wheel Seal - Front Inner, Front Outer or Rear Inner

National 474134 Wheel Seal Overview

The National 474134 wheel seal is engineered to provide reliable sealing performance for driveline and axle applications. Designed specifically for Jeep and Mitsubishi vehicles, this oil seal helps maintain proper lubrication and prevent contamination in wheel hubs.

• Inside diameter: 1.969 inches (50.000 mm)
• Outside diameter: 2.623 inches (66.620 mm)
• Width/thickness: 0.375 inches (9.525 mm)
• Sealing material: durable nitrile rubber
• Redicoat surface treatment for enhanced corrosion resistance
• Compatible with housing bore of 2.618 inches (66.500 mm)

Detailed Product Description

The National 474134 wheel seal is constructed from nitrile, a material known for its resistance to oil, heat, and wear, making it suitable for demanding automotive environments. This oil seal features a precise inside diameter of 1.969 inches (50 mm) and an outside diameter of 2.623 inches (66.62 mm), ensuring a secure fit within the axle housing bore of 2.618 inches (66.5 mm). The 0.375 inch (9.525 mm) thickness provides a robust sealing surface to prevent lubricant leakage and keep contaminants out. The Redicoat coating enhances corrosion resistance, extending the service life of the seal in harsh conditions.

Compatible Vehicles and Applications

This wheel seal is compatible with a range of Jeep and Mitsubishi models, including Jeep Cherokee, CJ5, CJ7, Comanche, J10, J20, Precis, Scrambler, TJ, Wagoneer, and Wrangler. It is designed to maintain axle integrity and support driveline performance in these vehicles.

• Prevents oil leaks from wheel hubs
• Protects axle bearings from dirt and moisture
• Maintains proper lubrication within the driveline
• Reduces wear on axle components
• Helps avoid costly drivetrain repairs

Installation Notes and Tips

When installing the National 474134 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 housing 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 clean 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 474134 part number undergoes rigorous quality control to ensure consistent dimensions and material integrity. While specific warranty details are not provided, National products typically adhere to OEM quality requirements for driveline sealing components.