InMotion WA515078HD Wheel Bearing and Hub Assembly - Front

Front Wheel Hub Assembly for Explorer, Mountaineer, and Sport Trac

InMotion WA515078HD is a front wheel bearing and hub assembly built for direct replacement service on select Ford and Mercury SUVs and trucks. It is engineered from OE data for accurate fitment, stable wheel support, and consistent driveline performance on driven front applications.

• Direct replacement wheel bearing and hub assembly for front use
• Fits driven front applications with 27 splines
• Roller bearing design for dependable wheel support
• Integrated ABS sensor, tone ring, and wiring harness included
• 5-bolt flange with 1/2"-20 flange bolt thread size
• Hub pilot diameter: 82 mm / 3.23 in
• Flange diameter: 160 mm / 6.3 in; flange offset: 48 mm / 1.89 in
• Cross-reference: MOOG 515078 and SKF BR930741 for the same application

OE-Style Fitment and Construction

This InMotion wheel bearing and hub assembly, part number WA515078HD, is manufactured with precision controls and application-specific measurements to match the original front hub on 2006-2010 Ford Explorer, 2007-2010 Ford Explorer Sport Trac, and 2006-2010 Mercury Mountaineer. It uses a linear ABS connector, 54-tooth tone ring, 3-bolt knuckle mounting pattern, and a 52.5-inch wiring harness to support proper sensor integration on driven front axle setups. WA515078HD is a new assembly built for service replacement where accurate hub geometry and ABS function matter.

Vehicle Fitment

• Fits 2006-2010 Ford Explorer, front, Premium Grade
• Fits 2007-2010 Ford Explorer Sport Trac, front, Premium Grade
• Fits 2006-2010 Mercury Mountaineer, front, Premium Grade

Common Problems This Part Can Address

• Wheel bearing noise from the front hub area
• ABS warning light caused by a failed hub sensor or tone ring
• Front wheel looseness or uneven hub play
• Vibration or rough rotation from worn bearing components
• Loss of proper wheel support on driven front applications

Installation Notes and Tips

Confirm the vehicle uses the listed front driven application before ordering. Verify spline count, ABS connector style, flange bolt pattern, and hub pilot diameter against the original part. Because this assembly includes the ABS sensor and wiring harness, inspect the connector routing and mounting points during installation to ensure the harness is secured correctly and the sensor signal is clean after assembly.

Quality Assurance

InMotion manufactures this hub assembly using OE data, precise measurements, and strict quality-control criteria to support correct fitment, performance, and service life. WA515078HD is built as a new direct replacement part for the specified Ford Explorer, Ford Explorer Sport Trac, and Mercury Mountaineer front applications.