InMotion WA512552 Wheel Bearing and Hub Assembly - Rear

Rear Wheel Hub Assembly for Mazda 3

InMotion WA512552 is a rear wheel bearing and hub assembly built for 2014-2018 Mazda 3 and Mazda 3 Sport models. It is engineered from OE data for direct replacement fitment, with the hub, bearing, and ABS sensor integration needed for a precise rear suspension repair.

Key Features

• Fits 2014-2018 Mazda 3, rear
• Fits 2014-2018 Mazda 3 Sport, rear
• Part number WA512552
• 5 wheel studs with a 114.3 bolt circle diameter
• ABS sensor included
• Wheel pilot diameter: 66.9 mm
• Brake pilot diameter: 68.0 mm
• Hub pilot diameter: 82.9 mm
• Flange diameter: 138.3 mm
• Flange offset: 56.9 mm
• 4 flange bolt holes

Detailed Description

This InMotion wheel bearing and hub assembly is manufactured with high-precision processes and strict quality-control standards to match the original rear hub dimensions and mounting points. WA512552 is built for the rear position on Mazda 3 and Mazda 3 Sport applications, using OE measurements to support proper wheel mounting, brake alignment, and sensor function. The integrated ABS sensor helps maintain the factory-style wheel speed signal path, while the hub and flange dimensions are set for accurate installation on the specified vehicles. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Repair Applications

• Rear wheel bearing noise or roughness
• Excessive wheel play at the hub
• ABS warning light caused by hub sensor issues
• Uneven wheel mounting or vibration at the rear axle
• Replacement after hub or bearing wear on Mazda 3 rear suspension

Installation Notes and Tips

Confirm rear fitment by matching the vehicle year, model, and position before installation. Verify the 5-stud pattern, 114.3 mm bolt circle diameter, and sensor connection against the original part. Clean the mounting surface and inspect related brake and suspension components during service to help ensure proper seating and operation on Mazda 3 and Mazda 3 Sport rear applications.

Quality Assurance

InMotion manufactures this hub assembly using OE data and measurements, with application-specific design and controlled production standards to support fitment, performance, and service life.