InMotion WA512284 Wheel Bearing and Hub Assembly - Rear

Rear Wheel Bearing and Hub Assembly for Toyota and Lexus

The InMotion WA512284 rear wheel bearing and hub assembly is built for direct replacement on select Toyota and Lexus applications. It is engineered from OE data and measurements for fitment, performance, and service life, with precision manufacturing and strict quality control.

Compatible with rear applications on the Toyota Venza, Toyota Highlander, Lexus RX350, Lexus RX400h, and Lexus RX330, this hub assembly is specified for standard grade vehicles and uses a 5-stud, 4-bolt flange design.

Key Features

• Part number: WA512284
• Rear wheel bearing and hub assembly
• 26-spline design
• 5 wheel studs
• 4 flange bolt holes
• Bolt circle diameter: 114.3 mm / 4.5 in.
• Wheel pilot diameter: 60.0 mm
• Brake pilot diameter: 62.0 mm
• Hub pilot diameter: 84.0 mm
• Flange diameter: 152.0 mm
• Flange offset: 72.0 mm
• Modified flange shape
• ABS sensor not included

Detailed Description

InMotion WA512284 is a rear wheel bearing and hub assembly designed as a direct replacement for the original hub on select Toyota and Lexus vehicles. The assembly is manufactured using high-precision processes and OE-based measurements to help ensure correct fitment and consistent operation. This part number WA512284 is listed for 2004-2013 Toyota Highlander rear, 2009-2016 Toyota Venza rear, 2004-2006 Lexus RX330 rear, 2006-2008 Lexus RX400h rear, and 2007-2009 Lexus RX350 rear.

This hub assembly is built around the specified flange and pilot dimensions, including a 114.3 mm bolt circle, 5 wheel studs, and a 26-spline configuration. Those details matter when replacing a worn rear hub on a Toyota Highlander or Lexus RX model, especially when matching OE-style dimensions for proper wheel and brake interface.

Common Problems This Part Can Address

• Rear wheel bearing noise or growling from the hub area
• Excessive wheel play or looseness at the rear axle
• Uneven hub wear from a damaged original assembly
• Vibration or rough rotation at the rear wheel end
• Fitment issues when replacing a worn Toyota Highlander or Lexus RX rear hub

Installation Notes and Tips

Verify rear fitment by year, make, model, and standard grade application before installation. Confirm the 26-spline count, 5-stud pattern, 4-bolt flange layout, and pilot diameters against the removed part to ensure a correct match. Because the ABS sensor is not included, reuse or source the sensor separately if your vehicle requires one. For best results, inspect related rear suspension and brake components during hub replacement.

Quality Assurance

InMotion manufactures this hub assembly with strict quality-control criteria and OE-based engineering data to support accurate replacement fitment and long-term service. Part number WA512284 is built for the listed Toyota and Lexus rear applications with controlled dimensions for consistent installation and operation.