National 470898 Wheel Seal - Front, Front Forward, Rear or Rear Rearward

National 470898 Wheel Seal Overview

National 470898 is a wheel seal built for driveline and axle sealing applications where the shaft and housing dimensions must match precisely. It uses nitrile sealing material and Redi-Coat protection to support a reliable seal in service.

With a 2.125 in. shaft diameter, 2.879 in. outside diameter, and 0.375 in. width, this seal is sized for specific transfer case and transmission-related applications found on classic Chevrolet, Ford, and GMC trucks and vans. National 470898 is a zero-duplication part for targeted replacement work.

Key Features

• Part number: 470898
• Wheel seal / oil seal construction for driveline sealing applications
• Nitrile sealing material for dependable sealing performance
• Redi-Coat finish for improved sealing surface preparation
• Inside diameter: 2.125 in. (53.980 mm)
• Outside diameter: 2.879 in. (73.130 mm)
• Width: 0.375 in. (9.530 mm)
• Housing bore: 2.875 in. (73.030 mm)
• Zero duplication part designation

Detailed Description

National 470898 is engineered for applications that require a precise seal between rotating components and the housing bore. The nitrile sealing material is selected for sealing performance in driveline environments, while the Redi-Coat surface treatment helps support consistent installation and sealing contact. This part is part of National’s 470000 series and reflects the brand’s long history in sealing solutions for automotive service.

Compatible With classic Chevrolet Blazer, C10 Suburban, C20 Suburban, K10 Suburban, K20 Suburban, GMC G15/G1500 Van, G25/G2500 Van, G35/G3500 Van, Jimmy, and G1500 applications, as well as Ford F-100, F-250, and F-350 models using the listed transfer case or transmission configurations. This part cross-references Gates 23440 for the same application.

Common Problems This Seal Can Address

• Oil seepage at the wheel or driveline sealing point
• Contamination entering the sealed area
• Wear-related leakage from an aging seal lip
• Seal replacement during transfer case or transmission service
• Leak repair on classic 4WD and van driveline assemblies

Installation Notes and Tips

• Verify shaft diameter, housing bore, and width before installation.
• Confirm the vehicle’s transmission or transfer case configuration, including New Process 435GA, New Process 435GL, or Spicer 24 where listed.
• Inspect the sealing surface for scoring, corrosion, or debris before fitting the new seal.
• Use clean installation practices to avoid damaging the nitrile sealing lip.
• Match the application by year, make, model, and position exactly as listed for Chevrolet, Ford, and GMC fitments.

Quality Assurance

National has supplied sealing products for more than 75 years and continues to develop sealing solutions for modern and legacy vehicles. Part number 470898 is backed by that sealing-focused manufacturing experience and is intended for precise replacement in the specified applications.