National 710043 Drive Axle Shaft Seal - Front Left

Overview of National Drive Axle Shaft Seal 710043

The National Drive Axle Shaft Seal 710043 is designed to provide reliable sealing performance for select Ford and Mazda vehicles. Engineered with nitrile material and precise dimensions, this oil seal helps maintain driveline integrity and prevent fluid leaks in your vehicle's axle assembly.

• Constructed from durable nitrile material for resistance to oil and wear
• Inside diameter of 1.301 inches (33.05 mm) to fit axle shafts accurately
• Outside diameter of 2.625 inches (66.68 mm) matching housing bore dimensions
• Seal thickness of 0.315 inches (8.0 mm) for secure fit and effective sealing
• Redicoat feature enhances corrosion resistance and longevity
• Compatible with Ford and Mazda models including B4000, Bronco, Explorer, F-100, F-150, F-250, F-250 HD, F-350, Navajo, and Ranger

Detailed Product Description and Specifications

The National 710043 drive axle shaft seal is part of the 710000 series, designed specifically for driveline and axle sealing applications. Made from nitrile, a synthetic rubber known for its excellent resistance to petroleum-based oils and fluids, this seal ensures durability under demanding operating conditions. The precise inside diameter of 1.301 inches (33.05 mm) fits the axle shaft snugly, while the outside diameter of 2.625 inches (66.68 mm) corresponds closely with the housing bore size of 2.620 inches (66.55 mm), ensuring a tight seal to prevent oil leakage. The 0.315 inch (8.0 mm) thickness provides the necessary width for effective sealing without compromising fitment. Additionally, the Redicoat coating offers enhanced protection against corrosion, extending the service life of the seal in harsh environments.

Compatible Vehicles and Applications

This drive axle shaft seal is compatible with a range of Ford and Mazda vehicles, including:

• Ford B4000
• Ford Bronco
• Ford Explorer
• Ford F-100, F-150, F-250, F-250 HD, F-350
• Mazda Navajo
• Mazda Ranger

It is designed to replace worn or damaged axle shaft seals in these models, helping to maintain proper axle lubrication and prevent contamination.

Common Issues Addressed by the National 710043 Seal

• Prevents oil leaks from the axle housing
• Reduces contamination of axle components by dirt and debris
• Maintains proper lubrication of the drive axle shaft
• Prevents premature wear of axle bearings and gears
• Helps avoid costly driveline repairs due to seal failure

Installation Notes and Tips

• Ensure the axle shaft and housing bore are clean and free of debris before installation
• Use appropriate tools to press the seal evenly into the housing bore without damage
• Verify the seal orientation matches the original part to ensure proper sealing
• Check shaft diameter to confirm compatibility with the 1.301 inch (33.05 mm) inside diameter seal
• Inspect the seal for any damage prior to installation

Quality Assurance and Warranty

National manufactures the 710043 drive axle shaft seal to meet industry standards for durability and performance. The nitrile material and Redicoat corrosion protection contribute to a reliable service life. While specific warranty terms may vary, National typically offers coverage against manufacturing defects to ensure customer confidence in the product.