National 710072 Wheel Seal - Front Inner or Front Outer

Overview of National 710072 Wheel Seal for Nissan and Infiniti

The National 710072 wheel seal is engineered to provide reliable sealing performance for driveline components in select Nissan and Infiniti vehicles. Designed with precision, this oil seal helps maintain proper lubrication and prevents contamination in the wheel hub assembly.

• Inside diameter: 2.244 inches (57.000 mm)
• Outside diameter: 3.121 inches (79.280 mm)
• Overall width with side lip: 0.531 inches (13.500 mm)
• Material: Durable nitrile rubber for resistance to oil and wear
• Redicoat surface treatment for enhanced corrosion protection
• Compatible with Nissan and Infiniti models including Pathfinder, Frontier, Xterra, and QX4

Technical Specifications and Material Details

This National wheel seal (part number 710072) features a 75 series design optimized for driveline sealing applications. The nitrile material offers excellent resistance to petroleum-based fluids and high temperatures, ensuring long service life. The seal’s inside diameter of 2.244 inches (57 mm) fits the shaft precisely, while the outside diameter of 3.121 inches (79.280 mm) matches the housing bore closely at 3.110 inches (79 mm). The overall width of 0.354 inches (9 mm) and side lip width of 0.531 inches (13.5 mm) provide a secure fit to prevent leaks and contamination.

Compatible Nissan and Infiniti Models

This wheel seal is compatible with a range of Nissan and Infiniti vehicles, including the Nissan Pathfinder, Pathfinder Armada, Frontier, Pickup, D21, and Xterra, as well as the Infiniti QX4. The precise fitment ensures proper sealing performance in the front wheel hub assemblies of these models, helping maintain driveline integrity.

Common Applications and Problem Solving

• Prevents oil leaks from the wheel hub assembly
• Protects driveline components from dirt and moisture intrusion
• Reduces premature wear of bearings and shafts
• Maintains proper lubrication within the axle housing
• Helps avoid costly driveline repairs due to seal failure

Installation Notes and Tips

When installing the National 710072 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 side lip facing the lubricant. Proper installation will help maintain the seal’s effectiveness and extend service life.

Quality Assurance and Warranty

National wheel seals are manufactured to meet industry standards for durability and performance. The 710072 part includes a Redicoat corrosion-resistant coating to enhance longevity. While specific warranty details may vary, National products typically come with a limited warranty against defects in material and workmanship, providing confidence in the product’s reliability.