National 470672 Drive Axle Shaft Seal - Front Right

Overview of National 470672 Drive Axle Shaft Seal

The National 470672 drive axle shaft seal is engineered to provide reliable sealing performance for select Ford and Mazda vehicles. Designed with nitrile material and precise dimensions, this oil seal helps maintain driveline integrity and prevent leaks in demanding conditions.

• Constructed from durable nitrile material for resistance to oil and wear
• Inside diameter of 1.399 inches (35.530 mm) to fit specific axle shafts
• Outside diameter of 2.254 inches (57.250 mm) for secure housing bore fitment
• Thickness of 0.250 inches (6.350 mm) ensuring proper sealing depth
• Redicoat surface treatment for enhanced sealing 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 470672 drive axle shaft seal is part of the 470000 series, designed specifically for driveline and axle sealing applications. Its nitrile composition offers excellent resistance to petroleum-based fluids and high temperatures, making it suitable for heavy-duty use. The seal’s inside diameter of 1.399 inches (35.530 mm) matches the shaft size, while the outside diameter of 2.254 inches (57.250 mm) fits precisely into a 2.250 inch (57.150 mm) housing bore. With a thickness of 0.250 inches (6.350 mm), this seal maintains a tight barrier to prevent oil leakage and contamination. The Redicoat treatment enhances the seal’s surface, improving its ability to maintain contact and reduce wear over time.

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, ensuring proper driveline function and preventing fluid leaks.

Common Issues Addressed by the National 470672 Seal

• Prevents oil leaks from the drive axle shaft area
• Reduces contamination of axle components by dirt and debris
• Maintains proper lubrication within the axle housing
• Helps avoid premature wear of axle bearings and gears
• Ensures consistent driveline performance and reliability

Installation Notes and Tips

• Verify the shaft and housing bore dimensions before installation to ensure compatibility
• Clean the sealing surfaces thoroughly to remove old sealant and debris
• Use appropriate tools to press the seal evenly into the housing bore without damage
• Inspect the axle shaft for wear or damage before installing the new seal
• Apply a light coating of lubricant on the seal lip to ease installation and initial operation

Quality Assurance and Warranty

National drive axle shaft seals are manufactured to meet industry standards for durability and performance. The 470672 seal undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details may vary, National typically offers coverage against manufacturing defects to provide confidence in product reliability.