National 224255 Wheel Seal - Front Outer, Rear Left or Rear Outer

National 224255 Wheel Seal Overview

The National 224255 wheel seal is engineered for reliable driveline sealing in select Chevrolet, Chrysler, Dodge, Mazda, Mitsubishi, Plymouth, and Pontiac vehicles. Designed with precision dimensions and durable polyacrylate material, this oil seal helps maintain optimal axle performance and prevent fluid leaks.

• Inside diameter: 1.654 inches (42.000 mm)
• Outside diameter: 2.565 inches (65.150 mm)
• Thickness/width: 0.394 inches (10.000 mm)
• Sealing material: Polyacrylate for enhanced durability
• Redicoat surface treatment for corrosion resistance
• Compatible with housing bore of 2.559 inches (65.000 mm)
• Part type: Wheel seal, series 220000, type 47

Detailed Product Description

The National 224255 wheel seal is constructed from polyacrylate, a material known for its resistance to heat, wear, and chemical exposure, making it suitable for demanding driveline applications. The seal features a precise inside diameter of 1.654 inches (42 mm) to fit the shaft snugly, while the outside diameter of 2.565 inches (65.15 mm) ensures a secure fit within the housing bore. The 0.394 inch (10 mm) thickness provides a robust sealing surface to prevent oil leakage. Additionally, the Redicoat treatment enhances corrosion resistance, extending the service life of the seal in harsh environments.

Compatible Vehicles and Applications

This wheel seal is compatible with a range of vehicles including Chevrolet Camaro and Firebird, Chrysler Challenger, Dodge Power Ram 50 and Raider, Mazda MPV and B-Series trucks like the D50, Mitsubishi Montero and Starion, Plymouth Colt and Conquest, and Pontiac Firebird. The National 224255 is designed specifically for driveline and axle sealing systems in these models, ensuring proper fit and function.

Common Issues Addressed by National 224255 Wheel Seal

• Prevents axle oil leaks that can cause driveline damage
• Reduces contamination ingress into axle housing
• Maintains proper lubrication for wheel bearings and axle components
• Minimizes wear caused by dirt and moisture exposure
• Helps avoid costly repairs due to seal failure

Installation Notes and Tips

When installing the National 224255 wheel seal, ensure the shaft and housing bore 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, with the sealing lip facing the lubricant side. Lubricate the seal lip lightly before installation to reduce initial wear. Proper installation will help maintain the integrity of the seal and prevent premature failure.

Quality Assurance and Warranty

National wheel seals, including part number 224255, are manufactured to meet industry standards for durability and performance. The polyacrylate material and Redicoat treatment contribute to long service life under normal operating conditions. While specific warranty details may vary, National products typically come with a limited warranty against manufacturing defects. Consult product documentation or the vehicle service manual for detailed warranty and maintenance information.