InMotion WA512348 Wheel Bearing and Hub Assembly - Rear

Rear Wheel Bearing Hub for Mazda 3

InMotion WA512348 is a rear wheel bearing and hub assembly for the 2004-2008 Mazda 3. Built from OE data and measurements, it is made for direct replacement service where correct hub dimensions, bolt pattern, and wheel stud layout matter.

This rear hub assembly for Mazda 3 applications is engineered with precise manufacturing controls to support proper fitment, smooth wheel mounting, and long service life. The WA512348 part number is a direct-reference option for rear wheel service on the 2004-2008 Mazda 3, Standard Grade.

• Fits 2004-2008 Mazda 3, rear
• Wheel bearing and hub assembly for direct replacement service
• 5 wheel studs with 4 flange bolt holes
• Bolt circle diameter: 114.3 mm / 4.527 in.
• Wheel pilot diameter: 67.0 mm
• Brake pilot diameter: 72.0 mm
• Hub pilot diameter: 74.0 mm
• Modified flange shape with 63.1 mm flange offset and 142.0 mm flange diameter
• Anti-lock brake sensor not included

Detailed Product Description

InMotion WA512348 is a rear wheel bearing and hub assembly designed for the 2004-2008 Mazda 3. It uses OE-based dimensions and application-specific engineering to match the original hub location, wheel mounting interface, and brake-side pilot measurements. The 5-stud, 114.3 mm bolt circle configuration supports correct wheel attachment, while the hub, wheel, and brake pilot diameters help maintain proper alignment during replacement.

For Mazda 3 rear hub service, WA512348 provides a precise replacement solution when the original assembly shows wear, noise, or mounting issues. This part number, WA512348, is built for the rear position only and is listed for Standard Grade applications on the 2004-2008 Mazda 3.

Common Problems This Part Can Address

• Rear wheel bearing noise or rough rotation
• Excessive play at the wheel hub
• Damaged or worn wheel stud mounting points
• Improper wheel seating from hub wear
• Brake-side fitment issues caused by a worn hub assembly

Installation Notes

Confirm rear-position fitment before installation on the 2004-2008 Mazda 3. Verify the 5-stud, 114.3 mm bolt circle, pilot diameters, and flange dimensions against the removed part before pressing or bolting the assembly into place. The ABS sensor is not included, so reuse or source the vehicle’s existing sensor setup as required by the application.

Quality Assurance

InMotion manufactures these hub assemblies using high-precision processes and strict quality-control criteria. Each assembly is engineered from OE data and measurements to support correct fitment, performance, and durability in the specified application.