InMotion WA512001 Wheel Bearing and Hub Assembly - Rear

Rear Wheel Bearing Hub Assembly for GM Compact Cars

InMotion WA512001 is a rear wheel bearing and hub assembly built for direct replacement on select Chevrolet, Pontiac, Buick, and Oldsmobile applications. It is engineered from OE data and measurements to match the original fit, hub geometry, and sensor requirements for dependable service.

For drivers searching for a rear wheel bearing hub assembly for a Chevrolet Cavalier, Pontiac Sunfire, or Pontiac Grand Am, this part number WA512001 provides the correct application-specific design for the rear position.

Key Features

• Part type: wheel bearing and hub assembly
• Rear position replacement
• Anti-lock brake sensor included
• 5 wheel studs
• 4 flange bolt holes
• Bolt circle diameter: 100.0 mm / 3.94 in.
• Wheel pilot diameter: 57.0 mm
• Brake pilot diameter: 57.5 mm
• Hub pilot diameter: 60.9 mm
• Flange diameter: 138.0 mm
• Flange offset: 64.8 mm
• Flange shape: offset trapezoid

Detailed Description

InMotion WA512001 is manufactured with high-precision processes and strict quality-control standards to deliver a direct-fit rear hub assembly for select GM compact cars. The design follows OE data and measurements to support proper wheel mounting, brake interface alignment, and sensor integration. This makes it a practical replacement for worn or noisy rear hub units on vehicles such as the Chevrolet Cavalier, Pontiac Sunfire, and Pontiac Grand Am.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Fix

• Rear wheel bearing noise or growling
• Excessive wheel play or looseness
• ABS warning light concerns related to the hub sensor
• Uneven rear wheel rotation caused by hub wear
• Vibration from a worn rear hub assembly

Installation Notes and Tips

Confirm rear-position fitment before ordering. Verify the bolt circle, pilot diameters, flange dimensions, and 5-stud layout against the original hub assembly. Because the ABS sensor is included, inspect the vehicle harness and connector condition during installation. Professional installation is recommended to ensure correct torque, bearing seating, and brake system alignment.

• Fits 1992-2005 Chevrolet Cavalier, Rear, Standard Grade
• Fits 1995-2005 Pontiac Sunfire, Rear, Standard Grade
• Fits 1991-1998 Buick Skylark, Rear, Standard Grade
• Fits 1992-1998 Oldsmobile Achieva, Rear, Standard Grade
• Fits 1991-1998 Pontiac Grand Am, Rear, Standard Grade
• Fits 1992-1996 Chevrolet Corsica, Rear, Standard Grade
• Fits 1992-1994 Pontiac Sunbird, Rear, Standard Grade

Quality Assurance

InMotion manufactures this hub assembly using OE-based specifications and controlled production standards to support consistent fitment and service life across the listed rear applications.