InMotion WA513016K Wheel Bearing and Hub Assembly - Front

Front Wheel Bearing Hub Assembly for GM Applications

InMotion WA513016K is a front wheel bearing and hub assembly built for a wide range of GM vehicles from the 1980s and early 1990s. It is engineered from OE data and measurements for direct replacement fitment on applications such as Buick Century, Oldsmobile Cutlass Ciera, and Pontiac 6000.

Key Features

• Part number: WA513016K
• Front wheel bearing and hub assembly
• 27-spline design
• 5 wheel studs
• 3 flange bolt holes
• Modified triangle flange shape
• Flange offset: 42.0 mm
• Flange diameter: 147.0 mm
• Bolt circle diameter: 115.0 mm (4.528 in.)
• Wheel pilot diameter: 70.1 mm
• Brake pilot diameter: 70.6 mm
• Hub pilot diameter: 90.0 mm
• ABS sensor not included

Detailed Description

InMotion WA513016K is manufactured with strict quality-control criteria and high-precision production methods to match the original hub assembly dimensions. Built for front axle service, this assembly is a direct replacement for the OE-style unit on many GM passenger cars and vans, including Buick LeSabre, Cadillac DeVille, Chevrolet Celebrity, Oldsmobile 98, Pontiac Bonneville, and related platforms. The design uses OE data to support proper fitment, bearing performance, and service life. This part cross-references common OE-style replacement listings for the same application.

Vehicle Fitment

• Fits 1983-1993 Buick Century, front
• Fits 1986-1991 Buick LeSabre, front
• Fits 1991 Buick Park Avenue, front
• Fits 1988 Buick Reatta, front
• Fits 1986-1988 Buick Riviera, front
• Fits 1985-1991 Cadillac Commercial Chassis, front
• Fits 1985-1991 Cadillac DeVille, front
• Fits 1986-1988 Cadillac Eldorado, front
• Fits 1985-1991 Cadillac Fleetwood, front
• Fits 1986-1988 Cadillac Seville, front
• Fits 1987-1990 Cadillac Allante, front
• Fits 1983-1990 Chevrolet Celebrity, front
• Fits 1990-1991 Chevrolet Lumina APV, front
• Fits 1986-1991 Oldsmobile Delta 88, front
• Fits 1985-1991 Oldsmobile 98, front
• Fits 1983-1993 Oldsmobile Cutlass Ciera, front
• Fits 1987-1993 Oldsmobile Cutlass Cruiser, front
• Fits 1986-1988 Oldsmobile Toronado, front
• Fits 1990-1991 Oldsmobile Silhouette, front
• Fits 1983-1991 Pontiac 6000, front
• Fits 1987-1991 Pontiac Bonneville, front
• Fits 1990-1991 Pontiac Trans Sport, front

Common Replacement Uses

• Front wheel bearing noise or rough rotation
• Loose or worn hub assembly at the front axle
• Uneven wheel support from a damaged hub
• Service replacement for vehicles with 5-lug front hub hardware
• Restoration of proper wheel mounting and bearing function

Installation Notes and Tips

Confirm the front position, spline count, bolt pattern, flange dimensions, and pilot diameters before installation. This assembly does not include an ABS sensor, so verify sensor requirements on the vehicle before service. For best results, inspect related steering and suspension components, clean the mounting surfaces, and torque fasteners to the vehicle manufacturer’s specifications.

Quality Assurance

InMotion manufactures this hub assembly using OE measurements and controlled production standards to support consistent fit and durability across the listed GM applications. Part number WA513016K is built as a direct replacement for the original front wheel bearing and hub assembly on the specified vehicles.