InMotion WA513238 Wheel Bearing and Hub Assembly - Front

Front Wheel Bearing Hub Assembly for Cadillac STS

Restore smooth front-wheel operation with this InMotion wheel bearing and hub assembly, part number WA513238. Built from OE data and measurements, it is a direct replacement for the original front hub on select Cadillac STS models and includes an integrated ABS sensor for proper wheel speed signal handling.

• Direct replacement wheel bearing and hub assembly for the front position
• Fits 2005-2007 Cadillac STS, front, Standard Grade
• Fits 2008-2011 Cadillac STS, front, except with BREMBO brakes
• 30-spline design with 5 wheel studs
• Integrated anti-lock brake sensor included
• Modified flange shape with 3 flange bolt holes
• Wheel pilot diameter: 70.1 mm
• Brake pilot diameter: 70.6 mm
• Hub pilot diameter: 91.4 mm
• Flange offset: 42.1 mm
• Flange diameter: 145.0 mm
• Bolt circle diameter: 115.0 mm / 4.527 in

OE-Style Fitment and Construction

InMotion WA513238 is engineered for the front hub location on Cadillac STS vehicles using precise manufacturing controls and application-specific dimensions. The hub assembly is designed to match OE fitment requirements for the 2005-2011 Cadillac STS, helping maintain correct wheel mounting, bearing support, and ABS sensor function. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What This Hub Assembly Helps Address

• Front wheel bearing noise or rough rotation
• Excessive hub play or looseness at the wheel
• ABS warning light concerns related to a failed hub sensor
• Vibration or instability from worn front hub components
• Improper wheel mounting caused by hub wear

Installation Notes and Tips

Confirm brake package and fitment before installation: this part fits 2008-2011 Cadillac STS front applications except vehicles with BREMBO brakes, and it fits 2005-2007 Cadillac STS front Standard Grade applications. Verify spline count, bolt circle, and pilot diameters against the original hub before pressing or bolting the assembly into place. For best results, inspect related front suspension and brake components during replacement.

Quality Assurance

InMotion manufactures these hub assemblies with strict quality-control criteria and OE-based measurements to support proper fit, performance, and service life. Part number WA513238 is built as a direct replacement for the original front wheel bearing and hub assembly on the listed Cadillac STS applications.