Dorman 951-016 Wheel Bearing and Hub Assembly - Front or Rear

Reliable Wheel Bearing and Hub Assembly for GM Vehicles

The Dorman 951-016 wheel bearing and hub assembly is engineered to provide precise fitment and reliable performance for select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models. Designed with integrated ABS sensor technology, this assembly supports safe and consistent braking functionality.

• 33 spline quantity for secure driveline connection
• Includes flange with a triangular shape and 3 bolt holes
• Wheel stud size of 12 mm with 5 wheel studs included
• Wheel pilot diameter of 70.1 mm and brake pilot diameter of 70.6 mm
• Hub pilot diameter measures 91.5 mm for accurate alignment
• Equipped with an ABS sensor and female connector for anti-lock braking system compatibility
• Bolt circle diameter of 145.5 mm and flange offset of 42 mm

Product Details and Specifications

The Dorman 951-016 wheel bearing and hub assembly is designed to meet the exact specifications required by various GM vehicles including the Buick LaSabre, Cadillac DeVille, Chevrolet Impala, Oldsmobile Aurora, and Pontiac Grand Prix. This assembly features a 33-spline shaft interface ensuring a secure driveline connection. The flange is triangular with three bolt holes, each 12 mm in diameter, providing a stable mounting surface. Five 12 mm wheel studs are included, facilitating proper wheel attachment. The hub pilot diameter of 91.5 mm and wheel pilot diameter of 70.1 mm ensure precise hub alignment, while the brake pilot diameter of 70.6 mm supports proper brake rotor positioning.

Additionally, this assembly integrates an anti-lock braking system (ABS) sensor with a female connector and two terminal connections, enabling seamless communication with the vehicle’s ABS module. The flange offset of 42 mm and bolt circle diameter of 145.5 mm are engineered to match factory specifications for consistent fitment and performance.

Compatible Vehicles and Applications

• Buick models such as Century, LeSabre, and Park Avenue
• Cadillac models including DeVille, Eldorado, and Seville
• Chevrolet models like Impala, Monte Carlo, and Montana
• Oldsmobile Aurora and Silhouette
• Pontiac Grand Prix, Bonneville, and Trans Sport

This wheel bearing and hub assembly is ideal for addressing issues related to wheel noise, vibration, ABS sensor faults, and wheel hub looseness in these vehicles.

Common Issues Addressed by This Assembly

• Eliminates wheel bearing noise and roughness
• Resolves ABS warning light caused by faulty sensors
• Corrects wheel hub play and vibration
• Prevents uneven brake rotor wear due to misalignment
• Restores proper wheel stud integrity for safe wheel mounting

Installation Notes and Tips

Ensure the vehicle is securely lifted and supported before beginning installation. Verify that the wheel hub mounting surface is clean and free of debris to guarantee proper fitment. The included wheel studs should be torqued to manufacturer specifications. Since flange bolts are not included, retain or replace the original hardware as needed. Confirm ABS sensor connector compatibility and secure connection to avoid sensor faults.

Quality Assurance and Warranty

Dorman wheel bearing and hub assemblies are manufactured to meet or exceed OEM standards for durability and performance. The 951-016 part number undergoes rigorous quality control to ensure reliable operation in compatible Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac vehicles. Warranty coverage details should be confirmed with the product documentation or manufacturer.