National 710166 Wheel Seal - Rear

National 710166 Wheel Seal for Rear Axles

National 710166 is a rear wheel seal built for select Chevrolet, GMC, Honda, and Isuzu applications that use the specified axle and ring gear configurations. It is designed with nitrile sealing material and Redicoat protection to support a reliable seal at the wheel end.

Key Features

• National wheel seal, part number 710166
• Nitrile construction for sealing performance
• Redicoat finish for added surface protection
• Inside diameter: 1.399 in. / 35.530 mm
• Outside diameter: 2.294 in. / 58.270 mm
• Housing bore: 2.290 in. / 58.166 mm
• Width: 0.500 in. / 12.700 mm
• Type 74 oil seal design

Product Details

This National 710166 seal is part of the 710100 series and is specified as an oil seal with inch-based dimensions. National has supplied sealing solutions for more than 75 years, and this part reflects that focus with a design intended for today’s driveline and axle service needs. It is a direct-fit rear seal application for vehicles including Chevrolet S10, GMC Sonoma, and Honda Passport when the listed axle and ring gear details match.

This part cross-references Bosch 26010792 for the same application.

What It Helps Address

• Rear axle oil seepage at the wheel end
• Contamination entering the hub or axle seal area
• Seal wear from age, mileage, or heat exposure
• Service issues on rear axle assemblies with the listed ring gear and axle code requirements
• Leak-related driveline maintenance on Chevrolet Blazer, GMC Jimmy, and Isuzu Rodeo applications

Installation Notes and Tips

Verify the axle code, ring gear size, and rear position before ordering. This seal is listed for rear applications only, and several vehicle listings require specific axle or ring gear configurations such as 7.5 in., 7.625 in., 8.5 in., or 8.625 in. ring gear setups. Confirm housing bore and shaft dimensions against the original part to ensure proper seating and sealing.

Compatible With select 1990-2005 Chevrolet Blazer, S10, and S10 Blazer rear applications; 1992-2005 GMC Jimmy and Sonoma rear applications; 1994-1997 Honda Passport rear applications; and 1990-1997 Isuzu Pickup and Rodeo rear applications, depending on axle configuration.

Quality Assurance

National is a long-established sealing brand with a reputation built over decades in the aftermarket. Part number 710166 is engineered to meet the dimensional and material requirements listed for the application.