InMotion WA515091 Wheel Bearing and Hub Assembly - Front Left

Wheel Bearing Hub Assembly for Astro and Safari

InMotion WA515091 is a front left wheel bearing and hub assembly built for direct replacement on select Chevrolet Astro and GMC Safari vans. It is engineered from OE data and measurements for fit, performance, and service life, with the hub, bearing, and ABS sensor integration matched to the listed applications.

Key Features

• Direct replacement wheel bearing and hub assembly for the front left position
• Fits 2003-2005 Chevrolet Astro, front left
• Fits 2003-2005 GMC Safari, front left
• 33-spline design with 6 wheel studs
• ABS sensor included for vehicles equipped with wheel speed sensing at the hub
• 3 flange bolt holes, modified flange shape, and OE-style dimensions for proper alignment
• Built to OE measurements for consistent fitment and long-term durability
• Part number: WA515091

Detailed Description

This InMotion wheel bearing and hub assembly is manufactured with precision controls and application-specific dimensions to match the original front left hub on the Chevrolet Astro and GMC Safari. Key measurements include a 180.0 mm flange diameter, 49.8 mm flange offset, 99.3 mm hub pilot diameter, 77.9 mm wheel pilot diameter, and 78.4 mm brake pilot diameter. The assembly also uses a 5.5 in. bolt circle diameter and a 139.7 mm bolt circle diameter, helping ensure correct wheel mounting and brake interface on the listed vans. WA515091 is a practical OE-style replacement for drivers servicing a worn or noisy front hub on these platforms.

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

Common Repair Uses

• Front wheel bearing noise or growling from the hub area
• ABS warning light caused by a failing hub-mounted sensor
• Wheel play, looseness, or uneven hub rotation
• Vibration or instability traced to a worn front left hub assembly
• Brake or wheel fitment issues related to hub wear

Installation Notes and Tips

Install WA515091 on the front left side only for the listed Chevrolet Astro and GMC Safari applications. Verify spline count, bolt pattern, and sensor connection before installation, and inspect the mating surfaces, axle interface, and brake components for wear or damage. Proper torque procedures are important for hub and wheel fasteners to maintain correct bearing preload and wheel retention.

Quality Assurance

InMotion manufactures this hub assembly using OE data, precise measurements, and strict quality-control criteria to support accurate fitment and dependable operation on the specified applications. Part number WA515091 is built as a direct replacement for the original front left hub assembly on the listed vehicles.