National 710311 Wheel Seal - Rear Inner

Overview of National 710311 Wheel Seal for Mazda and Mercury

The National 710311 wheel seal is designed to provide reliable sealing performance for select Mazda and Mercury vehicles. Engineered with nitrile material, this oil seal ensures durability and effective protection against contaminants and fluid leaks in driveline and axle applications.

• Inside diameter: 1.575 inches (40 mm)
• Outside diameter: 2.130 inches (54.1 mm)
• Width: 0.276 inches (7 mm)
• Material: Nitrile for resistance to oil and wear
• Compatible with Mazda 323 and Mercury Tracer models
• Part number: 710311, Series 710300

Technical Details and Specifications

This National wheel seal features a precise inside diameter of 1.575 inches (40 mm) and an outside diameter of 2.130 inches (54.1 mm), matching the housing bore size of approximately 2.126 inches (54 mm). The 7 mm width provides a secure fit within the axle housing, ensuring effective sealing. Constructed from nitrile, the seal offers resistance to oil, grease, and other automotive fluids, making it suitable for driveline and axle sealing systems.

Compatible Vehicles and Applications

The 710311 wheel seal is specifically compatible with Mazda 323 and Mercury Tracer models, providing a direct replacement for the original equipment seal. This part is ideal for maintaining axle integrity and preventing oil leaks in these vehicles, supporting proper driveline function and longevity.

• Prevents oil leaks in axle assemblies
• Protects driveline components from dirt and debris
• Maintains proper lubrication within wheel hubs
• Reduces wear on axle shafts and bearings
• Ensures consistent performance in Mazda 323 and Mercury Tracer

Installation Notes and Tips

When installing the National 710311 wheel seal, ensure the axle 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 installation to maintain proper oil retention. 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 industry standards for durability and performance. The 710311 part undergoes quality control inspections to ensure dimensional accuracy and material integrity. While specific warranty details may vary, National typically offers coverage against manufacturing defects to support reliable service life in Mazda 323 and Mercury Tracer applications.