National 710578 Wheel Seal - Rear

Overview of National 710578 Wheel Seal for Toyota Sequoia

The National 710578 wheel seal is engineered to provide reliable sealing performance for Toyota Sequoia driveline systems. Designed with precision, this oil seal helps maintain optimal lubrication and prevents contamination in the axle assembly.

• Inside diameter: 2.205 inches (56.000 mm)
• Outside diameter: 2.874 inches (73.000 mm)
• Width: 0.413 inches (10.500 mm)
• Bi-directional lip design for enhanced sealing
• Constructed from durable polyacrylate material
• Housing bore size: 2.876 inches (73.050 mm)
• Part of the National 710500 series

Technical Details and Material Specifications

This National wheel seal (part number 710578) features a bi-directional lip design that ensures effective sealing against oil leaks and external contaminants. The polyacrylate material offers resistance to heat and wear, making it suitable for the demanding conditions of Toyota Sequoia driveline applications. With an inside diameter of 2.205 inches and an outside diameter of 2.874 inches, it fits precisely within the housing bore of 2.876 inches, ensuring a secure and tight fit. The 0.413-inch width provides adequate surface contact for sealing without compromising installation space.

Compatible Vehicles and Applications

This wheel seal is specifically compatible with Toyota Sequoia models requiring a 56 mm shaft diameter seal. It is designed to maintain axle integrity by preventing oil leakage and protecting against dirt and moisture intrusion in the driveline and axle assemblies.

• Prevents oil leaks in the axle assembly
• Protects against dirt and moisture contamination
• Reduces wear on axle components
• Maintains driveline lubrication efficiency
• Helps avoid costly repairs due to seal failure

Installation Notes and Tips

When installing the National 710578 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 bore without damaging the sealing lips. Verify the bi-directional lip orientation matches the application requirements to optimize sealing performance. Lubricate the seal lip lightly with compatible oil before installation to reduce initial wear.

Quality Assurance and Warranty Information

National wheel seals, including part number 710578, are manufactured to meet industry standards for durability and performance. The polyacrylate material and precise dimensions ensure consistent sealing under normal operating conditions. While specific warranty details may vary, National typically offers coverage against manufacturing defects to support product reliability in Toyota Sequoia driveline repairs.