MPA Electrical WH513087HD Wheel Bearing and Hub Assembly - Front

Reliable Wheel Bearing and Hub Assembly for GM Vehicles

The MPA Electrical WH513087HD wheel bearing and hub assembly is engineered for precise fitment on select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models. Designed to maintain optimal wheel alignment and support, this assembly integrates an anti-lock braking system sensor for enhanced safety and performance.

• 33 spline quantity for secure drivetrain connection
• Includes flange with a triangular shape and 4 bolt holes
• Flange diameter of 5.735 inches and offset of 1.66 inches
• Equipped with an anti-lock brake sensor for ABS functionality
• Steel construction for durability and strength
• Includes gasket or seal to ensure proper sealing
• Five M12 x 1.5 wheel studs for reliable wheel mounting
• Hub pilot diameter of 3.594 inches for accurate hub centering

Detailed Product Description

This new MPA Electrical WH513087HD wheel bearing and hub assembly is designed specifically for compatibility with a range of GM vehicles including Buick LeSabre, Cadillac DeVille, Chevrolet Lumina APV, Oldsmobile Cutlass Ciera, and Pontiac Bonneville among others. The assembly features a 33-spline shaft interface ensuring a secure drivetrain connection. The included flange has a triangular shape with four bolt holes, each measuring 4.56 mm in diameter, providing a stable mounting surface. The flange diameter measures 5.735 inches with an offset of 1.66 inches, matching OEM specifications for proper fit and function.

Constructed from steel, this hub assembly offers strength and resistance to wear. It includes an anti-lock braking system (ABS) sensor and the corresponding sensor is pre-installed, supporting the vehicle’s ABS functionality. A gasket or seal is also included to prevent contamination and maintain bearing integrity. The assembly is not greaseable, designed for sealed-for-life operation, reducing maintenance requirements.

Common Applications and Problem Resolution

• Replacement for worn or noisy wheel bearings on Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models
• Restores proper ABS sensor function to prevent warning lights and braking issues
• Eliminates wheel hub play and vibration for improved vehicle stability
• Addresses flange damage or corrosion affecting wheel mounting
• Resolves hub misalignment that can cause uneven tire wear

Installation Notes and Tips

Ensure the vehicle is securely lifted and supported before beginning installation. Verify the part number WH513087HD matches the original component. Clean the mounting surface thoroughly and inspect the axle splines for damage. The flange bolt holes and wheel studs should be torqued to manufacturer specifications. Since this assembly includes an ABS sensor, take care to connect the sensor wiring correctly and check for proper sensor operation after installation.

Quality Assurance and Warranty

MPA Electrical manufactures this wheel bearing and hub assembly to meet or exceed OEM standards. The steel construction and integrated ABS sensor ensure reliable performance under normal operating conditions. This product is sold new and includes a gasket or seal for proper installation. Warranty details should be confirmed with the distributor or retailer.