National 410987 Wheel Seal - Rear Inner

National 410987 Wheel Seal Overview

The National 410987 wheel seal is engineered for reliable driveline sealing in Ford F-250 vehicles. Designed with precision, this oil seal helps maintain optimal axle performance by preventing lubricant leaks and contamination.

• Inside diameter: 2.375 inches (60.330 mm)
• Outside diameter: 3.486 inches (88.540 mm)
• Width: 0.437 inches (11.100 mm)
• Material: durable nitrile rubber for resistance to oil and wear
• Redicoat coating for enhanced corrosion protection
• Housing bore size: 3.481 inches (88.420 mm)
• Series: 410000, Type 41 oil seal
• Zero duplication part ensuring unique fit and quality

Detailed Product Description

The National 410987 wheel seal is a nitrile oil seal designed specifically for the driveline and axle systems of Ford F-250 trucks. With an inside diameter of 2.375 inches and an outside diameter of 3.486 inches, this seal fits precisely within the housing bore of 3.481 inches. Its 0.437-inch width provides a secure sealing surface to prevent oil leakage and protect axle components from dirt and moisture intrusion. The Redicoat treatment enhances corrosion resistance, extending the service life of the seal in harsh operating environments. This part is part of National's 410000 series, known for consistent quality and durability in sealing applications.

Compatible Vehicles and Applications

This wheel seal is compatible with Ford F-250 models requiring a 2.375-inch shaft seal with the specified dimensions. It is designed to maintain axle integrity by sealing lubricants within the driveline system, helping to prevent common issues such as leaks and contamination.

• Prevents oil leaks from axle assemblies
• Protects against dirt and water ingress
• Reduces wear on axle shafts and bearings
• Maintains driveline efficiency and performance
• Helps avoid costly axle repairs due to seal failure

Installation Notes and Tips

When installing the National 410987 wheel seal, ensure the housing bore and shaft surfaces are clean and free of debris. Use appropriate tools to press the seal evenly into the bore without damaging the sealing lip. Verify the seal orientation matches the original installation to maintain proper oil retention. Lubricate the seal lip lightly with compatible oil before installation to reduce initial wear.

Quality Assurance and Warranty

National wheel seals, including part number 410987, are manufactured to meet industry standards for durability and performance. The nitrile material and Redicoat finish provide resistance to oil, heat, and corrosion. This part is a zero duplication item, ensuring authenticity and fitment accuracy. Warranty coverage details should be confirmed with the original equipment manufacturer or distributor.