National 7600S Wheel Seal - Front Inner

National 7600S Wheel Seal Overview

The National 7600S wheel seal is an OE-style sealing solution for driveline and axle service. Built with nitrile and Redicoat protection, it is sized for a 1.825 in. shaft and a 2.754 in. outside diameter to support a precise seal at the wheel end.

National has supplied sealing products for more than 75 years, and this 7600S oil seal reflects that focus on dimensional accuracy and durable materials for passenger vehicle repair work.

Key Features

• Part number: 7600S
• Wheel seal / oil seal for driveline and axle sealing applications
• Nitrile sealing material for dependable fluid control
• Redicoat finish for improved installation handling
• Inside diameter: 1.825 in. / 46.360 mm
• Outside diameter: 2.754 in. / 69.950 mm
• Housing bore: 2.750 in. / 69.850 mm
• Width: 0.468 in. / 11.890 mm

Detailed Description

The National 7600S is a Type 47 wheel seal designed around exact dimensional requirements, including a 1.825 in. shaft diameter and 2.750 in. housing bore. Its nitrile construction supports sealing performance in wheel-end service, while the Redicoat surface helps the seal seat during installation. This part cross-references Gates 18149 for the same application.

For buyers searching for a wheel seal for National 7600S, an oil seal for axle service, or a replacement seal for driveline and axle sealing systems, this part provides the measurements needed to match the original fit. It is also a practical choice when servicing vehicle applications such as Honda Civic and other make/model listings that call for this exact seal specification.

What It Helps Address

• Gear oil leakage at the wheel end
• Contamination entering the sealed area
• Seal wear from age, heat, and mileage
• Improper sealing caused by dimensional mismatch
• Noise or service issues related to a failing wheel seal

Installation Notes and Tips

Verify shaft, housing bore, outside diameter, and width before installation. Clean the sealing surface and inspect the hub or axle area for scoring, corrosion, or debris that could affect seal life. Confirm the seal orientation matches the original part and press it in evenly to avoid distortion. For fitment-based searches, use the exact vehicle application data for the year, make, and model before ordering.

Quality Assurance

National is recognized for sealing products backed by decades of engineering experience and ongoing product development for modern vehicles. The 7600S is built to the listed dimensions and material specification to support consistent replacement performance.