National 455008 Wheel Seal - Rear Inner

National 455008 Wheel Seal Overview

National 455008 is a wheel seal built for driveline and axle sealing applications where consistent oil control matters. It uses nitrile material and a Redi-Coat finish to support a reliable seal at the housing bore and shaft interface.

With a 2.687 in. shaft diameter, 3.881 in. outside diameter, and 0.468 in. width, this seal is sized for precise replacement work. It is a practical choice for wheel seal service on select vehicle applications, including Ford F-150 and Chevrolet Silverado fitment searches.

Key Features

• Part number 455008 wheel seal from National
• Nitrile sealing material for common axle and wheel seal service
• Redi-Coat surface treatment for improved sealing contact
• 2.687 in. inside diameter and 3.881 in. outside diameter
• 3.876 in. housing bore specification for accurate fitment
• 0.468 in. width for compact sealing applications
• Series 450000, Type 45 design

Detailed Product Description

National 455008 is an oil seal listed in the wheel seal category and engineered around exact dimensional requirements. The seal measures 68.250 mm inside diameter, 98.580 mm outside diameter, and 11.890 mm width, with a 98.450 mm housing bore. Those measurements help match the seal to the axle or hub opening during replacement service.

National has focused on sealing solutions for more than 75 years, and this part reflects that experience with a design intended for modern vehicle service. If you are searching for a wheel seal for Ford F-150 or Chevrolet Silverado applications, National 455008 is a direct part-number reference to verify against the original seal dimensions.

This part cross-references Four Seasons 26921 for the same application.

What This Seal Helps Address

• Gear oil leakage at the wheel end
• Contamination entering the hub or axle seal area
• Seal wear from age, heat, or mileage
• Loss of sealing performance after hub or axle service
• Dimensional mismatch during wheel seal replacement

Installation Notes and Tips

Confirm shaft diameter, housing bore, and seal width before installation. Clean the sealing surface thoroughly and inspect the hub or axle for scoring, corrosion, or wear that could affect seal life. Match the replacement to the original dimensions and application notes before pressing the seal into place.

For fitment-based searches, verify the vehicle application against the original equipment seal dimensions on your Ford F-150 or Chevrolet Silverado before ordering National 455008.

Quality Assurance

National is a long-established sealing brand with a reputation built on premium sealing solutions and ongoing product development for current vehicle needs. The 455008 seal is part of the 450000 series and is manufactured to support accurate replacement service in driveline and axle sealing applications.