National 470380 Wheel Seal - Rear

National 470380 Wheel Seal for Driveline Service

National 470380 is a wheel seal built for driveline and axle sealing applications where precise dimensions and durable sealing material matter. It uses nitrile sealing material and Redi-Coat protection to support consistent sealing performance in service.

Key Features

• National wheel seal, part number 470380
• Nitrile sealing material for dependable oil sealing
• Inside diameter: 1.500 in. / 38.100 mm
• Outside diameter: 2.378 in. / 60.400 mm
• Width: 0.312 in. / 7.920 mm
• Housing bore: 2.375 in. / 60.330 mm
• Redi-Coat finish for easier sealing surface preparation
• Zero duplication part designation

Detailed Description

National 470380 is an oil seal engineered for axle and wheel-end sealing needs in classic GM applications. The seal dimensions are specified for a 1.500-inch shaft and a 2.375-inch housing bore, helping ensure proper seating and sealing contact. National has supplied sealing solutions for more than 75 years, and this part reflects that focus on dimensional accuracy and material selection. This part cross-references Timken 598 for the same application.

Compatible With 1964-1966 GMC G1500 and 1967-1968 Chevrolet C10 Suburban, C20 Suburban, K10 Suburban, K20 Suburban, plus 1967-1968 GMC G15/G1500 Van and G25/G2500 Van when equipped with the listed New Process 435GA or 435GL transmission configurations. National 470380 is also a relevant search term for buyers looking for a wheel seal for GMC G1500, Chevrolet C10 Suburban, or GMC G15/G1500 Van driveline service.

Common Uses

• Replacing a worn wheel or axle seal that is leaking gear oil
• Restoring sealing at the wheel end after contamination or age-related hardening
• Addressing grease or oil seepage around the shaft and housing bore
• Supporting service work on classic Chevrolet and GMC driveline assemblies

Installation Notes and Tips

Verify shaft diameter, housing bore, and seal width before installation. Clean the bore and shaft thoroughly, inspect for scoring or corrosion, and confirm the seal lip seats evenly during assembly. Use the listed transmission and vehicle configuration details to confirm application match before ordering.

Quality Assurance

National is known for premium sealing solutions and ongoing design support for current and legacy vehicle applications. The 470380 wheel seal is built to meet the dimensional and material requirements needed for reliable sealing in service.