Moog 513203 Wheel Bearing and Hub Assembly - Front

Overview of Moog 513203 Wheel Bearing and Hub Assembly

The Moog 513203 wheel bearing and hub assembly is engineered for reliable driveline performance in select Buick, Chevrolet, and Pontiac vehicles. Designed to meet precise specifications, this component ensures proper fitment and durability for models such as the Buick LaCrosse and Chevrolet Impala.

• 33 spline quantity for secure axle engagement
• 5 wheel studs with a 115 mm bolt circle diameter
• Modified flange shape with a flange diameter of 145.5 mm
• Wheel pilot diameter of 70.1 mm and brake pilot diameter of 70.6 mm
• Flange offset of 42.1 mm for accurate alignment
• Hub pilot diameter measuring 91.4 mm
• 3 flange bolt holes for stable mounting
• Does not include anti-lock brake sensor

Detailed Product Description

The Moog 513203 wheel bearing and hub assembly is designed to provide a precise fit and dependable operation for a range of Buick, Chevrolet, and Pontiac vehicles, including the Buick Allure, Chevrolet Monte Carlo, and Pontiac Grand Prix. This assembly features a 33 spline axle interface and a modified flange shape that supports a flange diameter of 145.5 mm and a flange offset of 42.1 mm, ensuring proper wheel alignment and load distribution. The 5 wheel studs are arranged on a 115 mm bolt circle diameter, providing secure wheel attachment. The wheel pilot diameter of 70.1 mm and brake pilot diameter of 70.6 mm help maintain correct positioning of the wheel and brake components, while the hub pilot diameter of 91.4 mm ensures compatibility with the vehicle hub. This assembly does not include an anti-lock brake sensor, so it is intended for vehicles without ABS sensor integration at the hub.

Applications and Problem Solving

• Replacement for worn or damaged wheel bearing and hub assemblies on Buick LaCrosse and Chevrolet Impala
• Addresses wheel vibration and noise caused by bearing wear
• Resolves wheel play and looseness affecting vehicle handling
• Corrects uneven tire wear due to hub misalignment
• Restores proper wheel mounting and brake component alignment

Installation Notes and Tips

• Verify vehicle compatibility with Buick, Chevrolet, and Pontiac models listed before installation
• Ensure the hub pilot diameter and flange dimensions match the vehicle specifications
• Use proper torque specifications on the 5 wheel studs and 3 flange bolt holes
• Inspect related components such as axle shafts and brake parts during installation
• Since this assembly does not include an ABS sensor, confirm ABS sensor functionality separately if applicable

Quality Assurance and Warranty

Moog wheel bearing and hub assemblies are manufactured to meet or exceed OEM standards for fit, form, and function. The 513203 part number undergoes rigorous quality control to ensure durability and performance under normal operating conditions. Warranty coverage details should be confirmed with the product documentation or supplier.