National 473212 Wheel Seal - Rear Inner

National 473212 Wheel Seal Overview

The National 473212 wheel seal is engineered for reliable driveline protection in Jeep vehicles. Designed specifically for Jeep Cherokee, Comanche, Wagoneer, and Wrangler models, this oil seal ensures effective sealing and durability under demanding conditions.

• Inside diameter: 1.312 inches (33.320 mm)
• Outside diameter: 2.254 inches (57.250 mm)
• Width: 0.312 inches (7.920 mm)
• Material: Nitrile for enhanced resistance to oil and wear
• Redicoat finish for improved corrosion protection
• Housing bore size: 2.250 inches (57.150 mm)
• Part type: 47 series oil seal
• Zero duplication part ensuring unique fit and performance

Technical Details and Specifications

The National 473212 wheel seal is constructed from nitrile, a synthetic rubber known for its resistance to petroleum-based oils and high temperatures. This seal features a Redicoat coating that provides additional corrosion resistance, extending the service life of the seal in harsh environments. The precise dimensions, including a 1.312-inch inside diameter and a 2.254-inch outside diameter, make it compatible with the shaft and housing bore sizes commonly found in Jeep Cherokee, Comanche, Wagoneer, and Wrangler driveline assemblies. The 0.312-inch width ensures a secure fit, maintaining effective sealing to prevent oil leaks and contamination.

Compatible Jeep Models and Applications

This wheel seal is compatible with the following Jeep models:

• Jeep Cherokee
• Jeep Comanche
• Jeep Wagoneer
• Jeep Wrangler

It is designed to maintain driveline integrity by sealing the wheel hub assembly, preventing oil leakage and protecting internal components from dirt and moisture.

Common Issues Addressed by National 473212 Wheel Seal

• Prevents oil leaks from the wheel hub assembly
• Protects driveline components from dirt and moisture intrusion
• Reduces wear on axle shafts by maintaining proper lubrication
• Helps avoid costly repairs due to seal failure
• Maintains vehicle drivability and safety by ensuring proper seal function

Installation Notes and Tips

When installing the National 473212 wheel seal, ensure the shaft and housing bore are clean and free of debris. Use appropriate tools to press the seal evenly into place without damaging the sealing lip. Verify the seal orientation matches the original part, with the Redicoat side facing outward for corrosion protection. Lubricate the seal lip lightly with clean oil before installation to reduce initial wear. Proper installation will help maintain the seal’s effectiveness and extend its service life.

Quality Assurance and Warranty

National wheel seals are manufactured to meet strict industry standards for durability and performance. The 473212 part is a zero duplication part, ensuring a unique fit and reliable function. While specific warranty details may vary, National typically offers coverage against manufacturing defects, providing confidence in the product’s quality and longevity.