MPA Electrical WH512308 Wheel Bearing and Hub Assembly - Rear

Reliable Wheel Bearing and Hub Assembly for GM Vehicles

The MPA Electrical WH512308 wheel bearing and hub assembly is designed to provide dependable performance for select Buick, Chevrolet, Pontiac, and Saturn models. Engineered with a steel construction and integrated ABS sensor, this assembly ensures precise fitment and reliable operation for your vehicle's driveline system.

• Includes flange with 4 bolt holes and rectangular flange shape
• Equipped with an anti-lock braking system (ABS) sensor for enhanced safety
• Flange diameter measures 5.93 inches with a 2.56-inch flange offset
• Features 6 wheel studs sized M12 x 1.5 for secure wheel mounting
• Comes with gasket or seal included for proper sealing
• Non-greaseable steel construction for durability and maintenance-free use
• Hub pilot diameter of 2.826 inches for accurate alignment

Product Details and Specifications

The WH512308 wheel bearing and hub assembly from MPA Electrical is a new, high-quality replacement part designed specifically for the Buick Montana, Chevrolet Uplander, Pontiac Montana, Saturn Relay, and Terraza models. This assembly features a rectangular flange with four bolt holes and a flange diameter of 5.93 inches, ensuring a precise fit. The flange offset of 2.56 inches supports proper wheel positioning and alignment. The assembly includes a built-in ABS sensor and wiring harness is not included, supporting your vehicle’s anti-lock braking system functionality. The steel material construction provides strength and resistance to wear, while the included gasket or seal helps maintain a secure and leak-free installation. With six M12 x 1.5 wheel studs, this hub assembly offers reliable wheel attachment for your vehicle.

Compatible Vehicles and Common Applications

• Replacement for wheel bearing and hub assembly issues on Buick Montana and Pontiac Montana
• Suitable for Chevrolet Uplander and Saturn Relay models requiring ABS sensor-equipped hubs
• Ideal for Terraza vehicles needing a flange-included hub assembly with precise flange offset
• Addresses wheel vibration, noise, and ABS sensor faults related to worn hub assemblies
• Resolves wheel stud damage and flange misalignment problems

Installation Notes and Tips

Ensure the vehicle is securely lifted and supported before beginning installation. Verify the flange bolt hole pattern and flange shape match your vehicle’s specifications. Since this assembly is non-greaseable, no additional lubrication is required during installation. Confirm the ABS sensor connection is properly seated and free of damage. Use appropriate torque specifications for flange bolts and wheel studs to maintain safety and performance.

Quality Assurance and Warranty

MPA Electrical manufactures the WH512308 wheel bearing and hub assembly to meet or exceed OEM standards for fit, form, and function. This new part is constructed from durable steel and includes an ABS sensor to maintain vehicle safety systems. While specific warranty details are not provided, MPA Electrical products typically come with manufacturer-backed quality assurance to support reliable operation in Buick, Chevrolet, Pontiac, and Saturn vehicles.