Moog 512401 Wheel Bearing and Hub Assembly - Rear

Moog 512401 Wheel Bearing and Hub Assembly Overview

The Moog 512401 wheel bearing and hub assembly is engineered for reliable performance and precise fitment on select Scion, Subaru, and Toyota models. Designed to meet OEM specifications, this assembly ensures proper wheel alignment and smooth rotation for vehicles like the Subaru WRX, Toyota 86, and Scion FR-S.

• 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 modified flange shape
• Flange diameter of 123.9 mm and flange offset of 66.5 mm
• Bolt circle diameter of 100.2 mm (3.937 inches)
• Includes anti-lock brake sensor for ABS functionality

Technical Details and Specifications

This Moog wheel bearing and hub assembly (part number 512401) features a 27-spline axle interface designed to provide a secure connection between the axle shaft and hub. The assembly includes five wheel studs and four flange bolt holes, ensuring a robust and stable fit. The wheel pilot diameter measures 55.9 mm, while the brake pilot diameter is slightly larger at 57.9 mm, allowing for precise alignment of the brake components. The hub pilot diameter of 83.9 mm and the modified flange shape contribute to proper hub positioning and load distribution. The flange diameter is 123.9 mm with an offset of 66.5 mm, and the bolt circle diameter is 100.2 mm (3.937 inches), matching OEM specifications for compatible vehicles. Additionally, the assembly comes equipped with an anti-lock brake sensor to maintain ABS system functionality.

Compatible Vehicles and Applications

This wheel bearing and hub assembly is compatible with a range of Scion, Subaru, and Toyota models, including:

• Scion FR-S
• Toyota 86 and GR86
• Subaru BRZ
• Subaru Crosstrek
• Subaru Forester
• Subaru Impreza
• Subaru Legacy
• Subaru Outback
• Subaru WRX and WRX STI

Common Issues Addressed by Moog 512401

• Eliminates wheel bearing noise and vibration
• Resolves wheel hub looseness and play
• Restores proper ABS sensor function
• Prevents uneven tire wear caused by hub misalignment
• Improves wheel rotation smoothness and vehicle handling

Installation Notes and Tips

When installing the Moog 512401 wheel bearing and hub assembly, ensure the vehicle is securely lifted and supported. Remove the old hub assembly carefully to avoid damage to surrounding components. Verify that the spline count and bolt pattern match the vehicle specifications. Proper torque settings should be applied to the flange bolts and wheel studs to maintain safety and performance. The included anti-lock brake sensor must be connected correctly to preserve ABS functionality. It is recommended to inspect related suspension and brake components during installation.

Quality Assurance and Warranty

Moog wheel bearing and hub assemblies are manufactured to meet or exceed OEM standards, providing dependable performance and durability. The 512401 part is backed by Moog's limited warranty, covering defects in materials and workmanship under normal use. This warranty supports professional installers and vehicle owners seeking reliable replacement parts for their Scion, Subaru, and Toyota vehicles.