Dorman 951-031 Wheel Bearing and Hub Assembly - Rear

Dorman 951-031 Rear Wheel Hub Assembly

Dorman 951-031 is a rear wheel bearing and hub assembly for specific Buick, Cadillac, Oldsmobile, and Pontiac applications. It combines the hub and critical bearing replacement components into one direct repair part for vehicles that need a rear hub service.

Key Features

• Rear wheel bearing and hub assembly for select GM vehicles
• Includes the hub and critical bearing replacement components for a complete repair
• ABS sensor type with anti-lock brake sensor included
• 5 wheel studs included with 12 mm wheel stud size
• Flange included with rectangular flange shape
• Wheel pilot diameter: 70.1 mm; brake pilot diameter: 70.6 mm
• Hub pilot diameter: 71.75 mm; bolt circle diameter: 150.5 mm
• Direct replacement for applications using a 4-bolt flange pattern

Detailed Description

This Dorman wheel bearing and hub assembly is built for rear service on 1991-1999 Buick LeSabre, 1991-1996 Buick Park Avenue, 1991-1999 Pontiac Bonneville, 1991-1996 Oldsmobile 98, 1992-1999 Oldsmobile 88, 1996-1999 Oldsmobile LSS, 1991 Oldsmobile Delta 88, 1991-1993 Cadillac DeVille, and 1991-1992 Cadillac Fleetwood, with exclusions for Heavy Duty Brakes on the Cadillac applications. It is a practical replacement for worn rear hub and bearing units on these vehicles, including ABS-equipped setups that use a sensor-style anti-lock brake system.

This part cross-references MOOG Hub Assemblies 513062 and SKF BR930068 for the same application. The Dorman 951-031 hub assembly is a fitment-based replacement for rear wheel service where the original hub, bearing, and ABS sensor interface need to be restored.

What It Helps Fix

• Rear wheel bearing noise or roughness
• Wheel play or looseness at the hub
• ABS warning light concerns related to the hub sensor interface
• Uneven wheel rotation caused by hub wear
• Rear hub damage on select Buick, Cadillac, Oldsmobile, and Pontiac models

Installation Notes and Tips

Verify rear fitment by year, make, model, and brake configuration before ordering. This assembly uses a sensor-style ABS setup with one connector, male connector gender, and male terminal gender. Flange bolts are not included, so confirm the vehicle’s existing mounting hardware condition during service. Match the wheel pilot, brake pilot, hub pilot, and bolt circle dimensions to the original part for proper installation.

Quality Assurance

Dorman replacement hub assemblies are built as direct-fit service parts for specific vehicle applications. Part number 951-031 is engineered to match the listed rear fitment and dimensional requirements for a proper repair on supported Buick, Cadillac, Oldsmobile, and Pontiac models.