National 5573 Wheel Seal Kit - Rear

National 5573 Wheel Seal Kit Overview

The National 5573 Wheel Seal Kit is designed for reliable sealing performance in driveline and axle applications. Engineered with nitrile material, this oil seal kit is compatible with select Chevrolet and Pontiac models, including the Bel Air, Corvette, El Camino, Impala, Laurentian, and Parisienne.

• Inside diameter options: 1.915 inch (48.640 mm)
• Outside diameter: 2.548 inch (64.720 mm)
• Thickness: 0.250 inch (6.350 mm)
• Sealing material: durable nitrile for oil resistance
• Includes 610145 o-ring for enhanced sealing

Technical Details and Specifications

This wheel seal kit features a precise inside diameter of 1.915 inches (48.640 mm) to fit shafts accurately, ensuring a tight seal. The outside diameter measures 2.548 inches (64.720 mm), with a thickness of 0.250 inches (6.350 mm), providing a compact yet effective sealing solution. Constructed from nitrile, the sealing material offers resistance to oil and wear, making it suitable for automotive driveline environments. The kit also contains a 610145 o-ring, which improves sealing integrity and helps prevent leaks.

Compatible Vehicles and Applications

The National 5573 Wheel Seal Kit is compatible with various Chevrolet and Pontiac vehicles, specifically designed for models such as the Chevrolet Bel Air, Corvette, El Camino, Impala, and the Pontiac Laurentian and Parisienne. This kit is ideal for use in driveline and axle service, helping maintain proper lubrication and preventing contamination in these classic and vintage vehicles.

• Prevents oil leaks in wheel hubs and axle assemblies
• Protects driveline components from dirt and debris
• Maintains proper lubrication for axle shafts
• Reduces wear on bearings and seals
• Helps avoid costly driveline repairs

Installation Notes and Tips

When installing the National 5573 Wheel Seal Kit, ensure the shaft and housing surfaces are clean and free of debris. Lubricate the nitrile seal and o-ring lightly with compatible oil before installation to ease fitting and prevent damage. Use appropriate tools to press the seal evenly into place without distortion. Verify the seal is seated flush to avoid leaks and premature wear.

Quality Assurance and Warranty

National wheel seal kits are manufactured to meet industry standards for durability and performance. The use of nitrile material ensures resistance to oil and environmental factors commonly encountered in automotive driveline systems. While specific warranty details for part number 5573 are not provided, National products typically adhere to strict quality control processes to ensure reliable service life.