Dorman 951-033 Wheel Bearing and Hub Assembly - Front

Reliable Wheel Bearing and Hub Assembly for Select GM Vehicles

The Dorman 951-033 wheel bearing and hub assembly is engineered to provide dependable performance for a range of Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models. Designed with integrated ABS sensor technology, this assembly supports safe and efficient braking systems.

• Includes flange with a triangular shape and 3 bolt holes
• Equipped with 5 wheel studs sized 12 mm and included in the assembly
• Features a 34-spline quantity for secure driveline connection
• ABS sensor included with one female connector and two male terminals
• Compatible flange bolt hole diameter of 12 mm and bolt circle diameter of 145.5 mm
• Wheel pilot diameter of 70.1 mm and brake pilot diameter of 70.6 mm for precise fitment
• Hub pilot diameter measures 89.9 mm with a flange offset of 42 mm

Detailed Product Description

The Dorman 951-033 wheel bearing and hub assembly is designed to meet the specific requirements of various GM vehicles including Buick LeSabre, Cadillac DeVille, Chevrolet Lumina APV, Oldsmobile Cutlass Ciera, and Pontiac Bonneville among others. This assembly integrates a sensor-type Anti-Lock Braking System (ABS) to maintain optimal wheel speed monitoring and braking control. The included wheel studs and flange ensure a secure mounting surface, while the 34-spline design provides a robust connection to the driveline. The triangular flange shape with three bolt holes and a 145.5 mm bolt circle diameter supports proper alignment and stability. The precise pilot diameters for the wheel, brake, and hub contribute to accurate installation and reliable operation.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearing and hub assemblies on compatible Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models
• Restores proper ABS sensor function to prevent braking system faults
• Eliminates wheel noise or vibration caused by bearing wear
• Addresses wheel stud damage or corrosion issues
• Corrects hub misalignment affecting wheel balance and handling

Installation Notes and Tips

Ensure the vehicle is securely lifted and supported before beginning installation. Verify that the flange bolt holes and pilot diameters match the vehicle specifications. Handle the ABS sensor connector carefully to avoid damage to the wiring or terminals. Torque wheel studs and flange bolts to manufacturer specifications. It is recommended to inspect related components such as brake rotors and suspension parts during installation.

Quality Assurance and Warranty

Dorman wheel bearing and hub assemblies are manufactured to meet or exceed OEM standards for fit, form, and function. The 951-033 part number undergoes rigorous quality control to ensure durability and reliable performance. While specific warranty details are not provided here, Dorman products typically include a limited warranty covering defects in materials and workmanship.