National 6626S Wheel Seal - Front Inner

Overview of National 6626S Wheel Seal for Jeep CJ5

The National 6626S wheel seal is designed specifically for Jeep CJ5 models, providing reliable sealing performance to protect driveline components. Manufactured from durable nitrile material, this oil seal ensures effective containment of lubricants and prevents contamination.

• Inside diameter: 2.125 inches (53.980 mm)
• Outside diameter: 2.879 inches (73.130 mm)
• Width: 0.312 inches (7.920 mm)
• Material: Nitrile for enhanced resistance to oil and wear
• Type: 4s oil seal, part of the 6000 series
• Housing bore: 2.875 inches (73.030 mm)

Detailed Product Description

The National 6626S wheel seal is engineered to fit the Jeep CJ5, ensuring a precise fit with a shaft diameter of 2.125 inches and a housing bore of approximately 2.875 inches. Its nitrile construction offers excellent resistance to oil, grease, and other automotive fluids, making it suitable for demanding driveline applications. The 4s type seal design provides a secure barrier against dirt and moisture intrusion, helping maintain the integrity of wheel bearings and axle components.

Applications and Problem Solving

This wheel seal is used primarily to maintain lubrication within the wheel hub assembly and prevent external contaminants from entering. It addresses several common issues:

• Prevents oil leaks from the axle or wheel hub
• Protects wheel bearings from dirt and moisture damage
• Reduces wear on driveline components by maintaining proper lubrication
• Helps avoid costly repairs due to seal failure
• Ensures consistent performance in off-road conditions typical for Jeep CJ5 vehicles

Installation Notes and Tips

When installing the National 6626S wheel seal on a Jeep CJ5, ensure the sealing surface and housing bore are clean and free of debris. Use appropriate tools to press the seal evenly into place without damaging the sealing lip. Lubricate the seal lip lightly with clean oil before installation to reduce initial wear. Verify the seal orientation matches the 4s type design for optimal sealing performance.

Quality Assurance and Warranty

National wheel seals, including the 6626S, are manufactured to meet industry standards for durability and performance. The nitrile material and precise dimensions ensure long service life under typical operating conditions. While specific warranty details may vary, National products generally come with a limited warranty against manufacturing defects, providing confidence in the product's reliability for Jeep CJ5 driveline maintenance.