National 451182 Wheel Seal - Rear

National 451182 Wheel Seal Overview

The National 451182 wheel seal is engineered to provide reliable sealing performance for driveline and axle applications. Designed with precision dimensions and durable nitrile material, this oil seal helps maintain optimal lubrication and prevent contamination in vehicle wheel hubs.

• Inside diameter: 1.170 inches (29.720 mm)
• Outside diameter: 2.035 inches (51.690 mm)
• Housing bore: 2.031 inches (51.590 mm)
• Width: 0.375 inches (9.530 mm)
• Material: Nitrile rubber with redicoat coating
• Series: 450000
• Type: 45 oil seal

Detailed Product Description

The National 451182 wheel seal is part of the 450000 series, designed specifically for axle and driveline sealing systems. Constructed from nitrile rubber, this seal offers resistance to oil, grease, and other automotive fluids, ensuring long-lasting performance under typical operating conditions. The redicoat treatment enhances the seal’s durability and wear resistance, making it suitable for use in demanding environments. With precise inside and outside diameters, this seal fits securely within the housing bore and around the shaft, minimizing the risk of leaks and contamination.

Applications and Problem Solving

This wheel seal is commonly used in various vehicle makes and models requiring a 1.170 inch shaft diameter and a 2.035 inch outside diameter seal. It is compatible with axle assemblies where maintaining oil retention and preventing dirt ingress is critical. The National 451182 helps address issues such as:

• Oil leakage from wheel hubs
• Contamination of axle bearings by dirt and debris
• Premature wear of driveline components due to inadequate sealing
• Loss of lubrication leading to increased friction and heat

Installation Notes and Tips

When installing the National 451182 wheel seal, ensure the housing bore and shaft 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 oil retention side facing the lubricant. Proper installation helps maintain seal integrity and extends service life.

Quality Assurance and Warranty

National wheel seals are manufactured to meet industry standards for durability and performance. The 451182 part number undergoes rigorous quality control to ensure dimensional accuracy and material consistency. While specific warranty details may vary, National typically offers coverage against manufacturing defects to support reliable operation in automotive driveline applications.