InMotion WA513203 Wheel Bearing and Hub Assembly - Front

Front Wheel Bearing Hub Assembly

InMotion WA513203 is a front wheel bearing and hub assembly built for direct replacement on select GM vehicles. It is engineered from OE data and measurements to support proper fitment, wheel mounting, and long service life on applications such as the Chevrolet Impala, Pontiac Grand Prix, and Buick Rendezvous.

• Part number: WA513203
• Front wheel bearing and hub assembly
• 33-spline design
• 5 wheel studs
• 3 flange bolt holes
• Wheel pilot diameter: 70.1 mm
• Brake pilot diameter: 70.6 mm
• Hub pilot diameter: 91.4 mm
• Bolt circle diameter: 115.0 mm (4.527 in.)
• Flange diameter: 145.5 mm
• Flange offset: 42.1 mm
• Modified flange shape
• ABS sensor not included

Fitment Details

• Fits 2000-2008 Chevrolet Impala, front, standard grade.
• Fits 2003-2008 Pontiac Grand Prix, front, standard grade.
• Fits 2003-2007 Buick Rendezvous, front, standard grade.
• Fits 2003-2007 Chevrolet Monte Carlo, front, standard grade.
• Fits 2005 Buick Allure, front, standard grade.
• Fits 2003-2005 Buick Century, front, standard grade.
• Fits 2005 Buick LaCrosse, front, standard grade.
• Fits 2003-2005 Pontiac Aztek, front, standard grade.
• Fits 2003-2005 Pontiac Montana, front, standard grade.
• Fits 2003-2004 Buick Regal, front, standard grade.

Product Overview

This InMotion wheel bearing and hub assembly is manufactured with strict quality-control criteria to match the original part’s application-specific dimensions. The OE-based design helps ensure correct wheel mounting geometry, stable hub support, and consistent replacement performance on front-end service jobs. WA513203 is a practical choice when servicing a worn hub on a Chevrolet Impala, Pontiac Grand Prix, or other listed GM front applications.

Common Repair Symptoms

• Wheel bearing noise from the front end
• Excessive hub play or looseness
• Uneven wheel mounting or vibration
• ABS-related service concerns when the original sensor is not reused
• Front-end wear caused by a damaged hub assembly

Installation Notes

Confirm the vehicle’s year, make, model, and front position before installation. Verify spline count, bolt circle diameter, pilot diameters, and flange offset against the original hub assembly to ensure proper alignment. Because the ABS sensor is not included, transfer or source the required sensor components as needed for the vehicle’s braking system.

Quality Assurance

InMotion manufactures this hub assembly using OE data and measurements, along with controlled production standards, to support accurate fitment and dependable replacement quality. Part number WA513203 is built for the listed front applications and is intended to meet the dimensional requirements of the original hub assembly.