MPA Electrical WH513013 Wheel Bearing and Hub Assembly - Front or Rear

Reliable Wheel Bearing and Hub Assembly for GM Vehicles

The MPA Electrical WH513013 wheel bearing and hub assembly is designed to provide dependable driveline performance for select Buick, Cadillac, Chevrolet, GMC, and Oldsmobile models. Engineered with precision, this new steel hub assembly ensures proper fitment and durability for vehicles like the Corvette, Eldorado, Riviera, S10, and Sonoma.

• 27 spline quantity for secure axle engagement
• Includes a modified triangle flange with 3 bolt holes
• Flange diameter of 5.69 inches and flange offset of 1.86 inches
• Equipped with 5 wheel studs sized M12 x 1.5
• Includes gasket or seal for proper sealing
• Steel construction for strength and longevity
• Hub pilot diameter of 3.618 inches for accurate alignment
• Flange bolt hole diameter of 4.75 mm
• Flange included, but no anti-lock brake sensor or wiring harness

Detailed Product Description

The WH513013 wheel bearing and hub assembly from MPA Electrical is a new, steel-constructed component designed to replace worn or damaged hubs on various GM vehicles. Its 27 spline axle interface ensures a secure connection, while the modified triangle flange with three bolt holes provides a stable mounting surface. The flange diameter of 5.69 inches and offset of 1.86 inches are engineered to match factory specifications, ensuring proper fitment and function. This assembly includes a gasket or seal to maintain protection against contaminants, although it is not greaseable and does not include an anti-lock brake sensor or wiring harness. The 5 M12 x 1.5 wheel studs provide a reliable mounting point for wheels, making this assembly suitable for models such as the Chevrolet S10 Blazer, GMC Sonoma, Cadillac Seville, and Oldsmobile Toronado.

Common Applications and Problem Resolution

• Replacement for worn or noisy wheel bearings on Buick Riviera and Cadillac Eldorado
• Fixes wheel hub vibration or wobble issues on Chevrolet S15 and GMC S15 Jimmy
• Addresses wheel stud damage or corrosion on Chevrolet Corvette and GMC Sonoma
• Restores proper flange alignment and mounting on Oldsmobile Toronado
• Eliminates seal leaks and contamination ingress in driveline components

Installation Notes and Tips

Ensure the vehicle is securely lifted and supported before beginning installation. Verify the flange bolt hole pattern and stud size match your vehicle’s specifications. Clean the mounting surface thoroughly and inspect the axle splines for damage. Use the included gasket or seal to prevent contamination. Since this assembly is not greaseable, avoid adding grease to the bearing area. Confirm compatibility with your specific make and model, such as the Buick Riviera or Chevrolet S10, before installation.

Quality Assurance and Warranty

MPA Electrical manufactures the WH513013 wheel bearing and hub assembly to meet OEM standards for fit and function. Constructed from durable steel, this new part is designed for long service life under normal operating conditions. While specific warranty details are not provided, MPA Electrical products typically come with a limited warranty against defects in materials and workmanship. Always consult the product documentation or manufacturer for exact warranty terms.