National 475458 Wheel Seal - Rear Inner

National 475458 Wheel Seal Overview

The National 475458 wheel seal is engineered for reliable sealing performance in Dodge B300, D300, and W300 models. Designed with precision dimensions and durable nitrile material, this oil seal helps maintain driveline integrity by preventing lubricant leaks and contamination.

• Inside diameter: 2.625 inches (66.680 mm)
• Outside diameter: 3.628 inches (92.150 mm)
• Housing bore: 3.623 inches (92.020 mm)
• Width: 0.375 inches (9.530 mm)
• Material: Nitrile rubber for resistance to oil and wear
• Redicoat coating for enhanced corrosion protection
• Series: 470000, Type: 47 oil seal

Detailed Product Description

The National 475458 wheel seal is part of the 470000 series, designed specifically to provide a secure seal around the axle shaft in Dodge B300, D300, and W300 vehicles. Constructed from nitrile, this seal offers excellent resistance to petroleum-based oils and greases, ensuring long-lasting performance under typical driveline operating conditions. The precise inside diameter of 2.625 inches (66.680 mm) and outside diameter of 3.628 inches (92.150 mm) match the shaft and housing bore dimensions for a tight fit, minimizing the risk of leaks. The 0.375 inch (9.530 mm) 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

• Prevents oil leaks from axle shafts in Dodge B300, D300, and W300 models
• Protects driveline components from dirt and moisture contamination
• Reduces wear on axle bearings by maintaining proper lubrication
• Helps maintain optimal performance of wheel hubs and axles
• Addresses common seal failure issues such as cracking or hardening

Installation Notes and Tips

• Ensure the housing bore and shaft are clean and free of debris before installation
• 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
• Inspect the shaft surface for wear or damage prior to installation
• Lubricate the seal lip lightly with compatible grease or oil to ease installation

Quality Assurance and Warranty

National wheel seals are manufactured to meet strict industry standards for durability and performance. The 475458 part number undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details are not provided, National products typically conform to OEM specifications and are backed by the brand's commitment to quality.