Moog 512309 Wheel Bearing and Hub Assembly - Rear

Overview of Moog 512309 Wheel Bearing and Hub Assembly

The Moog 512309 wheel bearing and hub assembly is engineered for reliable performance on select Buick, Chevrolet, Pontiac, and Saturn vehicles. Designed to meet OEM specifications, this assembly ensures proper fitment and function for models like the Montana, Relay, Terraza, and Uplander.

• Includes anti-lock brake sensor for enhanced safety and compatibility
• Features 6 wheel studs and 4 flange bolt holes for secure mounting
• Wheel pilot diameter of 70.100 mm and brake pilot diameter of 70.600 mm
• Hub pilot diameter measures 71.800 mm for precise alignment
• Flange diameter of 150.300 mm with a flange offset of 64.900 mm
• Bolt circle diameter of 115.000 mm for exact fitment

Technical Details and Specifications

The Moog 512309 wheel bearing and hub assembly is designed with a 6-stud wheel configuration and 4 flange bolt holes, providing a secure and stable connection to the vehicle’s driveline. The wheel pilot diameter of 70.100 mm and brake pilot diameter of 70.600 mm ensure proper centering of the wheel and brake components. The hub pilot diameter of 71.800 mm supports accurate hub alignment, reducing vibration and wear. The flange diameter of 150.300 mm combined with a flange offset of 64.900 mm matches factory specifications for the Buick Montana, Chevrolet Uplander, Pontiac Relay, and Saturn Terraza. Additionally, the included anti-lock brake sensor integrates seamlessly with the vehicle’s ABS system for reliable braking performance.

Compatible Vehicles and Applications

This wheel bearing and hub assembly is compatible with the following makes and models:

• Buick Montana
• Chevrolet Uplander
• Pontiac Relay
• Saturn Terraza

It is specifically designed to replace worn or damaged wheel bearing and hub assemblies on these vehicles, restoring proper wheel rotation and ABS functionality.

Common Issues Addressed by Moog 512309

• Eliminates wheel bearing noise and roughness
• Resolves ABS sensor faults and warning lights
• Corrects wheel vibration and wobble during driving
• Prevents premature wear of brake components due to misalignment
• Restores secure wheel mounting and stability

Installation Notes and Tips

When installing the Moog 512309 wheel bearing and hub assembly, ensure the vehicle is securely lifted and supported. Verify that the flange bolt holes and wheel studs align correctly with the vehicle hub. The included anti-lock brake sensor should be connected properly to maintain ABS system functionality. It is recommended to torque all fasteners to manufacturer specifications and inspect related components such as brake rotors and calipers during installation.

Quality Assurance and Warranty

Moog wheel bearing and hub assemblies are manufactured to meet or exceed OEM standards, providing reliable fit and function. The 512309 part number comes with a limited warranty covering defects in materials and workmanship, ensuring confidence in long-term durability and performance.