InMotion WA512250 Wheel Bearing and Hub Assembly - Rear

Rear Wheel Bearing Hub Assembly for GM Compact Cars

InMotion WA512250 is a rear wheel bearing and hub assembly built for direct replacement on select Chevrolet, Pontiac, and Saturn applications. It is engineered from OE data and measurements to match the original fit, performance, and service life expectations for the vehicle.

This assembly includes an integrated ABS sensor and is built with precise hub and flange dimensions for proper wheel and brake alignment. It is a practical replacement for worn rear hub units on Chevrolet HHR, Chevrolet Cobalt, Pontiac G5, Saturn Ion, and Pontiac Pursuit models.

Key Features

• Part number WA512250 rear wheel bearing and hub assembly
• Integrated anti-lock brake sensor included
• 5 wheel studs with 4 flange bolt holes
• Wheel pilot diameter: 65.0 mm
• Brake pilot diameter: 65.5 mm
• Hub pilot diameter: 60.0 mm
• Flange diameter: 140.0 mm
• Bolt circle diameter: 110.0 mm
• Flange offset: 78.4 mm

Fitment Details

• Fits 2006-2011 Chevrolet HHR, rear, Standard Grade
• Fits 2005-2010 Chevrolet Cobalt, rear, Standard Grade
• Fits 2007-2010 Pontiac G5, rear, Standard Grade
• Fits 2004-2007 Saturn Ion, rear, Standard Grade
• Fits 2005-2006 Pontiac Pursuit, rear, Standard Grade

For shoppers searching for a rear wheel bearing hub assembly for Chevrolet Cobalt rear or a rear hub assembly for Pontiac G5, WA512250 provides the OE-style dimensions needed for a proper replacement. The part number WA512250 is also a useful reference when matching the correct rear hub on these GM compact platforms.

What This Part Helps Address

• Rear wheel bearing noise or growling
• Excessive wheel play or looseness at the hub
• ABS warning light caused by a failed hub sensor
• Uneven rear wheel rotation from a worn bearing assembly
• Brake and wheel fitment issues from a damaged hub flange

Installation Notes and Tips

Confirm rear position, bolt circle diameter, and pilot dimensions before installation. Because this assembly includes an ABS sensor, inspect the connector and wiring path during replacement and verify the sensor signal after installation. Clean the mounting surface and torque fasteners to the vehicle manufacturer’s specifications.

Quality Assurance

InMotion manufactures this hub assembly using high-precision processes and strict quality-control criteria. Each unit is engineered from OE data and measurements to support correct fitment, consistent performance, and long service life on the listed applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.