InMotion WA512281 Wheel Bearing and Hub Assembly - Rear

Rear Wheel Bearing and Hub Assembly for Toyota Sienna

The InMotion WA512281 is a rear wheel bearing and hub assembly built for 2004-2010 Toyota Sienna models in Standard Grade applications. It is engineered from OE data and measurements for direct replacement fitment, with precision manufacturing and controlled quality standards for consistent wheel support and hub alignment.

Key Features

• Direct replacement rear hub assembly for Toyota Sienna
• Fits 2004-2010 Toyota Sienna, rear, Standard Grade
• 26-spline design with 5 wheel studs
• 4 flange bolt holes and modified flange shape
• Wheel pilot diameter: 60.0 mm
• Brake pilot diameter: 62.0 mm
• Hub pilot diameter: 84.0 mm
• Bolt circle diameter: 114.3 mm (4.5 in.)
• Flange offset: 69.0 mm and flange diameter: 152.0 mm
• Anti-lock brake sensor not included

Detailed Description

InMotion WA512281 is a rear wheel bearing and hub assembly designed for Toyota Sienna rear applications from 2004 through 2010. The assembly is manufactured using OE data and measurements to match the designated application, helping ensure proper fitment, wheel mounting geometry, and long-term service life. For buyers searching for a rear wheel hub assembly for 2004-2010 Toyota Sienna, this part number WA512281 provides the key dimensions needed for a direct replacement selection.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Wheel bearing noise from a worn rear hub assembly
• Excessive wheel play or looseness at the rear axle
• Uneven hub rotation caused by bearing wear
• Improper wheel mounting due to damaged hub components
• Rear-end vibration related to hub or bearing deterioration

Installation Notes and Tips

Confirm rear fitment by matching the vehicle year, Toyota Sienna model, and Standard Grade application before installation. Verify spline count, bolt circle diameter, wheel pilot diameter, and flange dimensions against the original part. The anti-lock brake sensor is not included, so reuse or source the correct sensor arrangement as required by the vehicle configuration. Always inspect related suspension and brake components during hub replacement.

Quality Assurance

InMotion manufactures these hub assemblies with high-precision processes and strict quality-control criteria. Each WA512281 unit is built to OE-based measurements for application-specific fitment and consistent performance.