National 415960 Wheel Seal - Front Inner or Rear Inner

Overview of National 415960 Wheel Seal

The National 415960 wheel seal is engineered to provide reliable sealing performance for driveline and axle applications. Designed specifically for Chevrolet, Ford, and GMC heavy-duty trucks, this oil seal helps maintain proper lubrication and prevent contamination in wheel hubs.

• Inside diameter: 2.750 inches (69.85 mm)
• Outside diameter: 3.881 inches (98.58 mm)
• Width: 0.375 inches (9.53 mm)
• Material: Durable nitrile compound
• Redicoat surface treatment for enhanced corrosion resistance
• Housing bore size: 3.876 inches (98.45 mm)
• Series: 410000, Type 41 oil seal
• Zero duplication part ensuring unique fit and function

Detailed Product Description

The National 415960 wheel seal is constructed from nitrile, a material known for its resistance to oil, heat, and wear, making it suitable for demanding automotive environments. Its precise dimensions, including a 2.750-inch inside diameter and 3.881-inch outside diameter, ensure a secure fit within the wheel hub assembly. The Redicoat coating enhances the seal’s durability by protecting against rust and corrosion, extending service life. This seal belongs to the 410000 series and is classified as a Type 41 oil seal, designed to maintain effective sealing under high rotational speeds and pressure conditions.

Compatible Vehicles and Applications

This wheel seal is compatible with a range of heavy-duty trucks, including Chevrolet F-250 and F-350 models, Ford F-250 HD and F-350, as well as GMC K30, K3500, V30, and V3500 trucks. It is specifically designed to meet the sealing requirements of these vehicles’ driveline and axle assemblies, ensuring proper lubrication retention and contamination exclusion.

Common Issues Addressed by National 415960 Wheel Seal

• Prevents oil leaks from wheel hubs
• Protects bearings from dirt and moisture intrusion
• Reduces risk of premature bearing failure
• Maintains optimal lubrication levels within axle assemblies
• Minimizes corrosion and wear on sealing surfaces

Installation Notes and Tips

When installing the National 415960 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 part to maintain proper oil retention. Avoid excessive force during installation to prevent distortion or damage to the nitrile material.

Quality Assurance and Warranty

National wheel seals are manufactured to meet stringent quality standards, ensuring reliable performance in heavy-duty applications. The 415960 part number is a zero duplication part, guaranteeing a unique fit for the specified vehicle models. While specific warranty details are not provided, National products typically adhere to industry standards for durability and material integrity.