InMotion WA512300 Wheel Bearing and Hub Assembly - Rear

Rear Wheel Bearing Hub Assembly for Ford and Mercury

InMotion WA512300 is a rear wheel bearing and hub assembly built for direct replacement on select Ford and Mercury vehicles. It is engineered from OE data and measurements for accurate fitment, stable wheel support, and long service life.

Compatible with 2005-2007 Ford Five Hundred rear, 2005-2007 Ford Freestyle rear, 2005-2007 Mercury Montego rear, 2008-2009 Ford Taurus rear, 2008-2009 Ford Taurus X rear, and 2008-2009 Mercury Sable rear.

• Part number: WA512300
• Rear wheel bearing and hub assembly
• 38-spline design
• 5 wheel studs with 4 flange bolt holes
• ABS sensor included
• Modified flange shape with 59.0 flange offset
• Flange diameter: 145.6; bolt circle diameter: 114.3 mm / 4.5 in
• Wheel pilot diameter: 57.4; brake pilot diameter: 63.2; hub pilot diameter: 77.0

This InMotion wheel hub assembly is manufactured with precision processes and strict quality-control standards. The hub is built to match the original application using OE reference data, helping maintain proper wheel mounting, brake alignment, and sensor integration on the listed Ford Taurus, Ford Taurus X, Mercury Sable, Ford Five Hundred, Ford Freestyle, and Mercury Montego rear positions. Part number WA512300 is a direct replacement option for the specified rear hub applications.

Common Repair Applications

• Rear wheel bearing noise or roughness
• Excessive wheel play or looseness at the hub
• ABS warning light caused by a failed hub sensor
• Uneven wheel mounting or vibration from hub wear
• Restoring proper rear wheel support on Ford and Mercury driveline applications

Installation Notes

Verify rear-position fitment by year, make, and model before installation. Confirm spline count, bolt circle, flange dimensions, and ABS sensor requirements against the removed part. Clean the mounting surface and inspect related suspension and brake components for wear before installing the new hub assembly.

Quality Assurance

InMotion manufactures this hub assembly under strict quality-control criteria and uses OE data and measurements to support accurate fitment and consistent performance. The part is designed as a direct replacement for the original rear wheel bearing and hub assembly on the listed applications.