National 710105 Wheel Seal - Rear

Overview of National 710105 Wheel Seal

The National 710105 wheel seal is engineered for reliable driveline sealing in select GM vehicles. Designed with a bi-directional lip and nitrile material, this oil seal ensures effective protection against contaminants and fluid leaks in models like the Chevrolet Silverado 1500 and GMC Sierra 1500.

• Inside diameter: 1.705 inches (43.310 mm)
• Outside diameter: 3.084 inches (78.330 mm)
• Flanged outside diameter: 3.453 inches (87.710 mm)
• Width: 0.461 inches (11.710 mm)
• Bi-directional lip design for enhanced sealing
• Constructed from durable nitrile material
• Redicoat surface treatment for corrosion resistance
• Compatible with housing bore of 3.080 inches (78.230 mm)

Detailed Product Description

The National 710105 wheel seal is part of the 710100 series, designed specifically for driveline and axle applications requiring precise sealing performance. Its bi-directional lip design provides effective sealing against oil leaks and external contaminants, which is critical for maintaining axle integrity and driveline efficiency. The nitrile compound offers resistance to heat, oil, and wear, making it suitable for heavy-duty use in vehicles such as the Cadillac Escalade, Chevrolet Suburban 2500, and GMC Yukon XL 2500. The redicoat finish enhances corrosion resistance, extending the service life of the seal in demanding environments.

Compatible Vehicles and Applications

This wheel seal is compatible with a range of General Motors trucks and SUVs, including:

• Chevrolet Silverado 1500, 1500 Classic, 1500 HD, 1500 HD Classic, 2500
• GMC Sierra 1500, 1500 Classic, 1500 HD, 1500 HD Classic, 2500
• Cadillac Brougham, Fleetwood
• GMC Yukon XL 2500, Sierra 2500
• Hummer H2
• Chevrolet Avalanche 2500, Suburban 2500, Tahoe
• GMC K1500, K1500 Suburban, K2500, K2500 Suburban
• Chevrolet Express 2500, 3500, Savana 2500

Common Issues Addressed by the National 710105 Wheel Seal

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

Installation Notes and Tips

• Ensure the housing bore is clean and free of debris before installation
• Verify the shaft diameter matches the 1.705 inch (43.310 mm) specification
• Use appropriate tools to avoid damaging the seal lips during installation
• Apply a light coating of compatible lubricant on the seal lip for easier fitting
• Check for proper seating and alignment to prevent leaks

Quality Assurance and Warranty

Manufactured by National, a trusted name in sealing solutions, the 710105 wheel seal meets industry standards for durability and performance. The nitrile 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 to ensure customer confidence in product reliability.