National 470064 Wheel Seal - Rear

Overview of National 470064 Wheel Seal for Buick Models

The National 470064 wheel seal is engineered to provide reliable sealing performance for select Buick vehicles, including the Century, LeSabre, and Roadmaster. Designed with precision dimensions and durable nitrile material, this oil seal helps maintain driveline integrity and prevent fluid leaks.

• Compatible with Buick Century, LeSabre, and Roadmaster models
• Part number 470064 for accurate identification
• Constructed from nitrile material for resistance to oil and wear
• Inside diameter: 1.562 inches (39.670 mm)
• Outside diameter: 2.441 inches (62.000 mm)
• Width: 0.468 inches (11.890 mm)
• Redicoat finish for enhanced corrosion protection
• Fits housing bore of 2.437 inches (61.900 mm)

Technical Specifications and Material Details

This wheel seal from National is part of the 470000 series and features a 47-type design optimized for driveline applications. The seal’s nitrile composition offers effective resistance against oil, grease, and other automotive fluids, ensuring long-lasting performance. The precise inside diameter of 1.562 inches matches the shaft size for a secure fit, while the outside diameter of 2.441 inches fits the housing bore of 2.437 inches, providing a tight seal to prevent leaks. The 0.468-inch width balances durability with ease of installation. Additionally, the Redicoat treatment enhances corrosion resistance, extending the service life of the seal in harsh environments.

Applications and Problem Solving

This National 470064 wheel seal is designed for use in the driveline and axle assemblies of Buick Century, LeSabre, and Roadmaster vehicles. It addresses common issues such as:

• Preventing oil and grease leaks from axle shafts
• Reducing contamination ingress into the driveline system
• Minimizing wear on axle components by maintaining proper lubrication
• Protecting against corrosion and environmental damage
• Ensuring consistent driveline performance and reliability

Installation Notes and Tips

For optimal installation of the National 470064 wheel seal, ensure the following:

• Clean the housing bore and shaft thoroughly before installation
• Inspect the shaft for wear or damage that could affect sealing
• Use appropriate tools to press the seal evenly into the housing bore without distortion
• Verify the seal orientation matches the oil seal design to prevent leaks
• Check for proper fitment with the specified inside and outside diameters

Quality Assurance and Warranty Information

National manufactures the 470064 wheel seal to meet industry standards for durability and performance. The nitrile material and Redicoat finish contribute to the seal’s resistance to oil, wear, and corrosion. While specific warranty details may vary, National typically offers coverage against manufacturing defects to ensure customer confidence in the product’s reliability.