Moog 512518 Wheel Bearing and Hub Assembly - Rear

Moog Wheel Bearing and Hub Assembly Overview

The Moog 512518 wheel bearing and hub assembly is engineered for reliable performance in Subaru vehicles including the Crosstrek, Forester, Impreza, and XV Crosstrek. Designed to meet OEM specifications, this assembly ensures proper fit and function for driveline and axle applications.

• 27 spline quantity for secure axle engagement
• 5 wheel studs and 4 flange bolt holes for stable mounting
• Wheel pilot diameter of 55.9 mm and brake pilot diameter of 57.9 mm
• Hub pilot diameter of 83.9 mm with a rectangular flange shape
• Flange diameter of 123.9 mm and flange offset of 66.5 mm
• Includes anti-lock brake sensor for ABS compatibility
• Bolt circle diameters of 3.928 inches and 99.8 mm for precise fitment

Technical Details and Specifications

The Moog 512518 wheel bearing and hub assembly is specifically designed to fit Subaru models such as the Crosstrek, Forester, Impreza, and XV Crosstrek. The assembly features a 27 spline axle interface, ensuring a secure connection to the drivetrain. It includes 5 wheel studs and 4 flange bolt holes arranged on a bolt circle diameter of 99.8 mm (3.928 inches), providing a stable and accurate mounting surface. The flange has a rectangular shape with a diameter of 123.9 mm and an offset of 66.5 mm, matching OEM dimensions for proper alignment.

Additionally, the hub pilot diameter measures 83.9 mm, while the wheel and brake pilot diameters are 55.9 mm and 57.9 mm respectively. This precise engineering supports proper wheel centering and brake component alignment. The assembly also includes an integrated anti-lock brake sensor, ensuring compatibility with the vehicle's ABS system for enhanced safety and performance.

Common Applications and Problem Resolution

• Replacement for worn or damaged wheel bearings causing noise or vibration
• Fixing wheel hub looseness or play affecting vehicle handling
• Resolving ABS sensor faults related to hub assembly issues
• Addressing uneven tire wear due to hub misalignment
• Restoring proper wheel mounting and brake rotor alignment

Installation Notes and Tips

When installing the Moog 512518 wheel bearing and hub assembly on Subaru Crosstrek, Forester, Impreza, or XV Crosstrek models, ensure the vehicle is securely lifted and supported. Remove the wheel and brake components carefully to access the hub assembly. Verify the spline count and bolt pattern match the vehicle specifications before installation. Use proper torque specifications for flange bolts and wheel studs to maintain safety and performance. The included ABS sensor should be connected and tested to confirm functionality after installation.

Quality Assurance and Warranty

Moog wheel bearing and hub assemblies are manufactured to meet or exceed OEM standards, providing reliable durability and performance. The 512518 part number undergoes rigorous quality control to ensure precise fitment and long service life. Moog typically offers a limited warranty covering defects in materials and workmanship, supporting confidence in the product's reliability for Subaru Crosstrek, Forester, Impreza, and XV Crosstrek applications.