National 470059 Wheel Seal - Rear or Rear Outer

Wheel Seal for Manual Transmission Applications

National 470059 is a nitrile wheel seal built for specific Ford and Jeep manual transmission applications. It uses a 1.500 in. shaft diameter, 2.378 in. outside diameter, and 0.500 in. width to match the listed housing bore and shaft dimensions.

National has supplied sealing solutions for more than 75 years, and this seal reflects that focus with a Redi-Coat surface treatment and a design intended for precise sealing performance in driveline service.

Key Features

• Nitrile sealing material for oil-resistant sealing performance
• 1.500 in. inside diameter / shaft size
• 2.378 in. outside diameter for a 2.374 in. housing bore
• 0.500 in. width for the listed application dimensions
• Redi-Coat surface treatment
• National 470059 / Series 470000

Detailed Product Overview

This National wheel seal is specified for a range of Ford, Mercury, Jeep, Oldsmobile, Pontiac, Cadillac, and related drivetrain applications, including 28-spline manual transmission output shaft seal use and rear seal positions where listed. It is a direct-fit sealing component for vehicles such as the Ford F-100, Ford F-250, Ford F-350, Ford Mustang, Jeep CJ7, and Jeep Wagoneer when the fitment notes match the vehicle configuration. The part number 470059 is also referenced in cross-application catalogs for the same service location.

This part cross-references Timken 598 and Wix 51558 for the same application.

What This Seal Helps Address

• Gear oil leakage at the shaft or housing interface
• Contamination entering the sealed driveline area
• Wear-related seepage from an aging original seal
• Service issues on 28-spline manual transmission output shaft applications
• Rear seal replacement needs on listed classic vehicle applications

Installation Notes and Tips

Verify shaft diameter, housing bore, width, and transmission or axle configuration before installation. This seal is listed for specific applications including Borg-Warner T18, T15A, T85, T86G, T86H, T86E, Ford 2.77, and Tremec 170F configurations where noted. Clean the sealing surface, inspect the shaft for grooves or damage, and confirm the seal is seated squarely in the bore during assembly.

Quality Assurance

National has built its reputation on sealing products for more than 75 years, with engineering support focused on current and legacy vehicle applications. National 470059 is part of the 470000 series and uses nitrile sealing material with Redi-Coat treatment for consistent sealing service.