National 4795V Wheel Seal - Rear

National 4795V Wheel Seal Overview

The National 4795V wheel seal is engineered for reliable driveline sealing in Chevrolet and GMC vehicles. Designed specifically for models like the Astro, Blazer, Jimmy, and Safari, this oil seal ensures effective protection against contaminants and fluid leaks.

• Inside diameter: 1.399 inches (35.530 mm)
• Outside diameter: 2.750 inches (69.850 mm)
• Width: 0.310 inches (7.870 mm)
• Bi-directional lip design for enhanced sealing
• Constructed from durable fluoro-elastomer material
• Flanged outside diameter: 2.750 inches (69.850 mm)
• Compatible housing bore: 2.482 inches (63.040 mm)
• Redicoat surface treatment for improved wear resistance
• Part of the National 4000 series

Technical Details and Material Specifications

The National 4795V wheel seal features a bi-directional lip design that provides effective sealing in both rotational directions, reducing the risk of oil leakage and contamination ingress. Its fluoro-elastomer construction offers high resistance to heat, chemicals, and wear, making it suitable for demanding automotive driveline applications. The seal’s precise dimensions, including a 1.399-inch inside diameter and a 2.750-inch outside diameter, ensure a secure fit within the housing bore of 2.482 inches. The flanged outside diameter facilitates proper installation and retention within the axle assembly.

Compatible Vehicles and Applications

This wheel seal is compatible with select Chevrolet and GMC models, including the Astro, Blazer, Jimmy, and Safari. It is designed to maintain driveline integrity by preventing oil leaks and protecting axle components from dirt and moisture. The National 4795V is ideal for use in wheel hubs and axle assemblies where reliable sealing is critical.

• Prevents oil leaks in wheel hubs and axle assemblies
• Protects driveline components from dirt and moisture
• Reduces wear on axle shafts and bearings
• Maintains proper lubrication within the axle housing
• Helps avoid costly driveline repairs due to seal failure

Installation Notes and Tips

When installing the National 4795V 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 flange or sealing lips. Verify the seal orientation matches the bi-directional lip design for optimal performance. Lubricate the seal lip with clean oil before installation to reduce initial wear and facilitate proper seating.

Quality Assurance and Warranty

Manufactured by National, a trusted name in automotive sealing solutions, the 4795V wheel seal meets industry standards for durability and performance. The fluoro-elastomer material and Redicoat treatment contribute to extended service life under typical operating conditions. This product is backed by National’s quality assurance protocols, ensuring consistent fit and function for Chevrolet and GMC driveline applications.