InMotion WA515078 Wheel Bearing and Hub Assembly - Front

Front Wheel Bearing and Hub Assembly for Explorer

The InMotion WA515078 is a front wheel bearing and hub assembly built for direct replacement on select Ford, Mercury, and Explorer Sport Trac applications. It is engineered from OE data and measurements for proper fitment, stable wheel support, and consistent performance.

Compatible with 2006-2010 Ford Explorer, front; 2007-2010 Ford Explorer Sport Trac, front; and 2006-2010 Mercury Mountaineer, front. The WA515078 is a practical OE-style replacement for vehicles needing a front hub assembly with integrated ABS sensor support.

Key Features

• Direct replacement wheel bearing and hub assembly for the front axle
• 27-spline design with 5 wheel studs
• Integrated anti-lock brake sensor included
• Triangle flange shape with 3 flange bolt holes
• OE-based dimensions for fitment, performance, and service life
• Wheel pilot diameter: 70.5 mm
• Brake pilot diameter: 81.9 mm
• Hub pilot diameter: 85.0 mm
• Bolt circle diameter: 114.3 mm / 4.5 in.
• Flange diameter: 159.9 mm; flange offset: 48.3 mm

Detailed Description

InMotion WA515078 is designed as a front wheel bearing and hub assembly for 2006-2010 Ford Explorer, 2007-2010 Ford Explorer Sport Trac, and 2006-2010 Mercury Mountaineer models. Built with high-precision manufacturing and strict quality-control criteria, this hub assembly follows OE data and measurements to match the original application and support proper wheel mounting and braking system alignment. The integrated ABS sensor helps maintain the factory-style sensor setup on equipped vehicles. This part number, WA515078, is a direct-fit replacement for drivers servicing a worn or noisy front hub on an Explorer, Explorer Sport Trac, or Mountaineer.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Problems This Part Can Address

• Front wheel bearing noise or growling
• Excessive hub play or looseness
• ABS warning light caused by a failed hub sensor assembly
• Uneven wheel mounting caused by hub wear
• Vibration or roughness from a deteriorated front hub

Installation Notes and Tips

Confirm spline count, bolt circle diameter, flange offset, and sensor configuration before installation. Clean the mounting surface, inspect the axle and knuckle for wear, and torque all fasteners to the vehicle manufacturer’s specifications. Because this is a front hub assembly for Explorer, Explorer Sport Trac, and Mountaineer applications, verify left/right service requirements and brake component clearance during installation.

Quality Assurance

InMotion manufactures this hub assembly using OE-based measurements and controlled production standards to support accurate fitment and dependable operation. The WA515078 is built for direct replacement use on the listed front applications.