InMotion WA512520 Wheel Bearing and Hub Assembly - Rear

Rear Wheel Bearing Hub Assembly for Prius

InMotion WA512520 is a rear wheel bearing and hub assembly built for 2001-2003 Toyota Prius models. It is engineered from OE data and measurements for direct replacement fitment, with precision manufacturing and strict quality control for consistent wheel support and sensor integration.

Key Features

• Direct replacement rear hub assembly for 2001-2003 Toyota Prius
• Part number WA512520
• 4 flange bolt holes and 4 wheel studs
• ABS sensor included for vehicles equipped with wheel speed sensing
• Modified flange shape with 134.9 mm flange diameter
• 100.0 mm bolt circle diameter and 54.4 mm flange offset
• Wheel pilot diameter: 54.0 mm; brake pilot diameter: 54.9 mm; hub pilot diameter: 73.8 mm

Detailed Description

This InMotion wheel bearing and hub assembly is built to match the original rear hub dimensions used on the Toyota Prius. WA512520 is designed around OE specifications to support proper wheel mounting, bearing operation, and ABS sensor function, making it a direct replacement choice for 2001, 2002, and 2003 Prius rear applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Problems It Can Address

• Rear wheel bearing noise or rough rotation
• Excessive hub play or looseness at the wheel
• ABS warning light caused by a failed hub sensor assembly
• Improper wheel mounting due to worn flange or stud interfaces
• Vibration or uneven wheel support from a damaged rear hub

Installation Notes and Tips

Fits 2001-2003 Toyota Prius, rear. Confirm the vehicle’s rear hub dimensions, bolt pattern, and ABS sensor configuration before installation. Clean the mounting surface, inspect surrounding brake components, and torque fasteners to factory specifications during reassembly. WA512520 should be matched to the rear position only.

Quality Assurance

InMotion manufactures these hub assemblies using high-precision processes and OE-based measurements, with strict quality-control criteria to help ensure fitment, performance, and service life. Part number WA512520 is built as a direct replacement for the specified Toyota Prius rear application.