InMotion WA513030 Wheel Bearing and Hub Assembly - Rear

Rear Wheel Bearing Hub Assembly for Ford, Mazda, Mercury

The InMotion WA513030 is a rear wheel bearing and hub assembly built for direct replacement on select Ford, Mazda, and Mercury vehicles. It is engineered from OE data and measurements to support proper fitment, stable wheel mounting, and long service life on applications such as the Ford Escort, Mazda Protege, Mercury Tracer, Mazda MX-3, and Mazda 323.

Key Features

• Rear wheel bearing and hub assembly for select compact car applications
• Precision-built using OE data and dimensional measurements
• 4-wheel-stud design with a 100.0 mm bolt circle diameter
• Wheel pilot diameter: 54.0 mm
• Brake pilot diameter: 55.0 mm
• Hub pilot diameter: 65.0 mm
• Flange diameter: 122.0 mm
• Anti-lock brake sensor not included
• Direct replacement format for designated rear applications

Detailed Description

InMotion WA513030 is a rear wheel bearing hub assembly designed for vehicles that require a standard-grade OE-style replacement at the rear axle. The hub is manufactured with strict quality-control criteria and built to match the original application dimensions, helping ensure correct wheel mounting and consistent hub alignment. This part number WA513030 is listed for rear fitment on 1991-2003 Ford Escort, 1990-2003 Mazda Protege, 1991-1999 Mercury Tracer, 1992-1996 Mazda MX-3, and 1989-1995 Mazda 323.

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

What It Helps Address

• Rear wheel bearing noise from a worn hub assembly
• Loose or uneven wheel mounting caused by hub wear
• Vibration related to hub or bearing deterioration
• Improper wheel centering on the rear axle
• Replacement needs after corrosion or mileage-related wear

Installation Notes and Tips

• Verify rear fitment by year, make, and model before ordering.
• Confirm the 4-stud, 100.0 mm bolt circle configuration matches the vehicle.
• Check wheel pilot, brake pilot, and hub pilot dimensions during installation.
• Inspect related rear suspension and brake components for wear before reassembly.
• Use proper torque procedures for wheel fasteners and hub mounting hardware.

Quality Assurance

InMotion manufactures this hub assembly with OE-based measurements and controlled production standards to support accurate fitment and dependable performance. Part number WA513030 is built as a direct replacement for the listed rear applications, including Ford Escort, Mazda Protege, and Mercury Tracer models.