InMotion WA513012 Wheel Bearing and Hub Assembly - Rear

Rear Wheel Bearing Hub Assembly for GM Compact Cars

InMotion WA513012 is a rear wheel bearing and hub assembly built for specific Chevrolet, Pontiac, Buick, Cadillac, and Oldsmobile applications. It is engineered from OE data and measurements for direct replacement fitment, with precision manufacturing and controlled quality standards for consistent wheel support and alignment.

Key Features

• Rear wheel bearing and hub assembly for designated GM platforms
• Part number WA513012
• 5 wheel studs with a 100.0 mm bolt circle diameter (3.94 in.)
• 4 flange bolt holes with an offset trapezoid flange shape
• Wheel pilot diameter: 57.0 mm
• Brake pilot diameter: 57.5 mm
• Hub pilot diameter: 61.0 mm
• Flange diameter: 138.0 mm
• Flange offset: 65.0 mm
• ABS sensor not included

Detailed Description

WA513012 is a rear hub assembly designed for vehicles that require a precise OE-style wheel bearing and hub replacement. The assembly is manufactured to match original dimensions and mounting points, helping maintain proper wheel location, brake rotor seating, and hub-to-wheel interface on applications such as the Chevrolet Cavalier, Pontiac Sunfire, Buick Skylark, Pontiac Grand Am, and related GM compact models. The part number WA513012 is a direct reference for buyers searching for a rear wheel bearing hub assembly for these vehicles.

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

Vehicle Fitment

• Fits 2003-2005 Chevrolet Cavalier, Rear, Standard Grade
• Fits 1982-1991 Chevrolet Cavalier, Rear, Standard Grade
• Fits 2003-2005 Pontiac Sunfire, Rear, Standard Grade
• Fits 1980-1991 Buick Skylark, Rear, Standard Grade
• Fits 1987-1991 Chevrolet Corsica, Rear, Standard Grade
• Fits 1988-1991 Oldsmobile Cutlass Calais, Rear, Standard Grade
• Fits 1985-1991 Pontiac Grand Am, Rear, Standard Grade
• Fits 1986-1991 Pontiac Sunbird, Rear, Standard Grade
• Fits 1987-1991 Pontiac Tempest, Rear, Standard Grade
• Fits 1982-1989 Buick Skyhawk, Rear, Standard Grade
• Fits 1982-1988 Cadillac Cimarron, Rear, Standard Grade
• Fits 1982-1988 Oldsmobile Firenza, Rear, Standard Grade
• Fits 1985-1987 Oldsmobile Calais, Rear, Standard Grade
• Fits 1984-1985 Chevrolet Citation II, Rear, Standard Grade
• Fits 1984-1985 Pontiac J2000 Sunbird, Rear, Standard Grade
• Fits 1980-1984 Oldsmobile Omega, Rear, Standard Grade
• Fits 1980-1984 Pontiac Phoenix, Rear, Standard Grade
• Fits 1980-1983 Chevrolet Citation, Rear, Standard Grade
• Fits 1982-1983 Pontiac J2000, Rear, Standard Grade

Common Repair Uses

• Replacing a worn rear wheel bearing hub assembly
• Correcting wheel play, noise, or rough rotation at the rear hub
• Restoring proper wheel mounting on GM compact rear suspension applications
• Addressing hub wear that can affect brake rotor seating and wheel alignment
• Servicing a damaged or corroded rear hub on Chevrolet Cavalier and Pontiac Sunfire models

Installation Notes and Tips

Confirm rear axle and hub dimensions before installation, including bolt circle, pilot diameters, flange offset, and stud count. Because the ABS sensor is not included, verify whether the vehicle requires a separate sensor or sensor transfer during service. Always compare the old hub assembly to WA513012 before pressing or bolting the part into place.

Quality Assurance

InMotion manufactures this hub assembly using OE data, precise measurements, and controlled quality checks to support accurate fitment and long service life. WA513012 is built as a direct replacement for the original rear hub assembly on the listed applications.