Dorman 951-040 Wheel Bearing and Hub Assembly - Front

Reliable Wheel Bearing and Hub Assembly for Chevrolet, Oldsmobile, and Pontiac

The Dorman 951-040 wheel bearing and hub assembly is engineered to provide precise fitment and dependable performance for select Chevrolet, Oldsmobile, and Pontiac vehicles. Designed with integrated ABS sensor compatibility, this assembly supports safe and consistent braking functionality.

• 30 spline quantity for secure drivetrain connection
• Includes flange with a triangular shape and 3 bolt holes
• 5 wheel studs included, each sized 12 mm
• Wheel pilot diameter of 70.1 mm and brake pilot diameter of 70.6 mm
• Hub pilot diameter measures 89.9 mm for accurate alignment
• Flange offset of 37.4 mm and bolt circle diameter of 115 mm
• Compatible with Anti Lock Braking System (ABS) sensor type

Detailed Product Description

This Dorman wheel bearing and hub assembly (part number 951-040) is designed specifically for Chevrolet Alero, Oldsmobile Alero Classic and Cutlass, Pontiac Grand Am, and Chevrolet Malibu models. The assembly features a 30-spline shaft interface ensuring a secure drivetrain connection. The included flange has a triangular shape with three bolt holes, each 12 mm in diameter, providing a stable mounting surface. Five 12 mm wheel studs are pre-installed, facilitating straightforward wheel attachment. The wheel pilot diameter of 70.1 mm and brake pilot diameter of 70.6 mm ensure proper centering of the wheel and brake components, while the hub pilot diameter of 89.9 mm supports precise hub alignment. The flange offset of 37.4 mm and bolt circle diameter of 115 mm are engineered to match OEM specifications for these vehicle models. This assembly is compatible with vehicles equipped with an Anti Lock Braking System (ABS) sensor type, although the ABS sensor itself is not included.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearing and hub assemblies on Chevrolet Alero and Malibu
• Restores proper wheel alignment and reduces vibration in Oldsmobile Cutlass and Alero Classic
• Supports ABS sensor functionality in Pontiac Grand Am to maintain braking safety
• Eliminates wheel noise caused by bearing wear or failure
• Addresses wheel stud damage or corrosion for secure 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 ensure proper fitment. Use a calibrated torque wrench to tighten flange bolts to manufacturer specifications (note: flange bolts are not included). Confirm ABS sensor wiring and connectors are properly reconnected if applicable. It is recommended to inspect related suspension and brake components during installation for any additional wear or damage.

Quality Assurance and Warranty

Dorman wheel bearing and hub assemblies are manufactured to meet or exceed OEM standards for fit, form, and function. While specific warranty details are not provided here, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to Dorman’s official documentation for complete warranty information.