National 4857 Wheel Seal - Front or Rear

National 4857 Wheel Seal Overview

The National 4857 wheel seal is engineered for reliable driveline sealing in Dodge and Jeep vehicles. Designed with a bi-directional lip and fluoro-elastomer material, this oil seal ensures effective protection against contaminants and fluid leaks in models like the Jeep Cherokee and Dodge Durango.

• Inside diameter: 1.400 inch (35.560 mm)
• Outside diameter: 2.288 inch (58.120 mm)
• Flanged outside diameter: 2.600 inch (66.040 mm)
• Thickness/width: 0.547 inch (13.890 mm)
• Bi-directional lip design for enhanced sealing
• Constructed from durable fluoro-elastomer material
• Compatible housing bore: 2.282 inch (57.960 mm)

Technical Details and Material Specifications

The National 4857 wheel seal features a bi-directional lip design that provides effective sealing against oil leaks and external contaminants. Its fluoro-elastomer sealing material offers resistance to heat, chemicals, and wear, making it suitable for demanding driveline applications. The seal’s precise dimensions, including a 1.400 inch inside diameter and 2.288 inch outside diameter, ensure a secure fit on shafts and housings specified for Dodge and Jeep models.

Compatible Vehicles and Applications

This wheel seal is compatible with a range of Dodge and Jeep vehicles, including the Cherokee, Dakota, Durango, Grand Cherokee, TJ, and Wrangler. It is designed to maintain driveline integrity by preventing oil leakage and contamination in these models’ axle assemblies and wheel hubs.

• Prevents oil leaks in axle and wheel hub assemblies
• Protects driveline components from dirt and moisture
• Reduces wear on 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 4857 wheel seal, ensure the housing bore measures approximately 2.282 inches to guarantee proper fitment. Clean the shaft and housing surfaces thoroughly before installation to prevent damage to the seal lips. Use appropriate tools to press the seal evenly into place without distortion. Verify the bi-directional lip orientation matches the application requirements for optimal sealing performance.

Quality Assurance and Warranty

Manufactured by National, a recognized brand in driveline sealing systems, the 4857 wheel seal meets industry standards for durability and performance. The fluoro-elastomer material and precise engineering contribute to long service life under typical operating conditions. Warranty coverage details should be confirmed with the product documentation or supplier.