National 100357 Wheel Seal - Rear

Overview of National 100357 Wheel Seal for Ford and Lincoln Vehicles

The National 100357 wheel seal is engineered to provide reliable sealing performance for select Ford and Lincoln models, including the F-150, Expedition, and Navigator. Designed with precision dimensions and durable materials, this wheel seal helps maintain driveline integrity and prevent oil leaks.

• Inside diameter: 1.705 inches (43.307 mm)
• Outside diameter: 3.039 inches (77.190 mm)
• Flanged outside diameter: 3.271 inches (83.080 mm)
• Width: 0.562 inches (14.275 mm)
• Material: Fluoro-elastomer for enhanced chemical and temperature resistance
• Bi-directional lip design for effective sealing under varying rotational directions
• Compatible with housing bore diameter of 3.034 inches (77.064 mm)

Technical Details and Material Specifications

This wheel seal from National, part number 100357, features a bi-directional helix lip design that ensures a secure seal against contaminants and fluid leakage in driveline and axle assemblies. The fluoro-elastomer material offers resistance to heat, oil, and other automotive fluids, making it suitable for demanding operating conditions found in Ford F-150, Lincoln Navigator, and related models. The precise fitment dimensions, including a shaft diameter of 1.705 inches and a flanged outside diameter of 3.271 inches, ensure compatibility with the specified vehicle housings.

Compatible Vehicles and Applications

This wheel seal is compatible with the following Ford and Lincoln vehicles:

• Ford F-150 and F-150 Heritage
• Ford Expedition
• Lincoln Navigator
• Lincoln Blackwood
• Lincoln Mark LT

It is designed to maintain axle and driveline sealing integrity, preventing oil leaks and contamination in these models.

Common Issues Addressed by National 100357 Wheel Seal

• Prevents oil leaks from axle and driveline assemblies
• Reduces contamination from dirt and debris entering the bearing area
• Minimizes premature wear of axle components due to fluid loss
• Maintains proper lubrication within the wheel hub
• Helps avoid costly driveline repairs caused by seal failure

Installation Notes and Tips

• Ensure the housing bore and shaft dimensions match the seal specifications before installation
• Clean the sealing surfaces thoroughly to remove old sealant, dirt, and debris
• Use appropriate tools to press the seal evenly into the housing bore without distortion
• Verify the bi-directional lip orientation aligns with the rotation and fluid containment requirements
• Inspect the shaft for wear or damage that could compromise the seal's effectiveness

Quality Assurance and Warranty Information

National wheel seals, including part number 100357, are manufactured to meet industry standards for durability and performance. The use of fluoro-elastomer material ensures resistance to heat and chemical exposure typical in automotive driveline environments. While specific warranty terms may vary, National products generally come with a limited warranty against manufacturing defects, providing confidence in the product's reliability for Ford and Lincoln vehicle applications.