National 473234 Wheel Seal - Rear

National 473234 Wheel Seal Overview

The National 473234 wheel seal is engineered for reliable driveline sealing in select Ford, Jaguar, Mercury, and Oldsmobile vehicles. Designed with nitrile material and precise dimensions, this oil seal helps maintain optimal axle performance and prevent fluid leaks.

• Inside diameter: 1.687 inches (42.85 mm)
• Outside diameter: 2.506 inches (63.65 mm)
• Width: 0.312 inches (7.92 mm)
• Sealing material: Nitrile for durability and resistance
• Redicoat finish for enhanced corrosion protection
• Compatible with housing bore of 2.502 inches (63.55 mm)
• Part of the National 470000 series, type 47 oil seal

Detailed Product Description

The National 473234 wheel seal is a precision-engineered oil seal designed to fit shafts with a diameter of 1.687 inches and housings with a bore diameter of approximately 2.502 inches. Constructed from nitrile, a synthetic rubber known for its resistance to oil, heat, and wear, this seal provides a reliable barrier against contaminants and fluid leakage. The Redicoat coating adds an extra layer of corrosion resistance, extending the service life of the seal in demanding driveline environments. This part is a zero duplication component, ensuring it meets exact OEM specifications for fit and function.

Compatible Vehicles and Applications

This wheel seal is compatible with a range of Ford, Jaguar, Mercury, and Oldsmobile models, including but not limited to:

• Ford Mustang, Thunderbird, LTD, Colony Park, and Capri
• Jaguar XJ, XJ6, XJ12, and XJS
• Mercury Marauder, Marquis, Montego, and Villager
• Oldsmobile Cutlass

Its precise fitment makes it suitable for driveline and axle sealing applications where maintaining oil integrity is critical.

Common Issues Addressed by National 473234 Wheel Seal

• Prevents axle oil leaks that can cause driveline damage
• Protects bearings and internal components from dirt and moisture
• Reduces risk of premature wear due to contamination
• Maintains proper lubrication within the axle assembly
• Helps avoid costly repairs related to seal failure

Installation Notes and Tips

• Ensure shaft and housing surfaces are clean and free of debris before installation
• Use appropriate tools to avoid damaging the seal during installation
• Verify the seal orientation matches OEM specifications for proper sealing
• Check housing bore and shaft dimensions to confirm compatibility
• Apply a light coat of lubricant on the seal lip to ease installation

Quality Assurance and Warranty

National wheel seals, including part number 473234, are manufactured to meet stringent quality standards. The use of nitrile material and Redicoat finish ensures durability and resistance to common automotive fluids and environmental factors. This part is backed by National's commitment to quality, providing confidence in its performance and longevity. Warranty coverage details should be confirmed with the original equipment manufacturer or distributor.