Moog 512523 Wheel Bearing and Hub Assembly - Rear

Rear Wheel Bearing and Hub Assembly for Mazda 3

Moog 512523 is a rear wheel bearing and hub assembly built for 2014-2018 Mazda 3 and Mazda 3 Sport models built in Japan. It combines hub, bearing, and ABS sensor integration in one service part for a direct-fit rear axle repair.

Key Features

• Fits 2014-2018 Mazda 3, rear, Japan Built
• Fits 2014-2018 Mazda 3 Sport, rear, Japan Built
• Anti-lock brake sensor included for ABS-equipped applications
• 5 wheel studs with a 4-bolt flange design
• Flange shape: rectangle; flange diameter: 138.700 mm
• Wheel pilot diameter: 66.900 mm; brake pilot diameter: 67.900 mm
• Hub pilot diameter: 82.800 mm; flange offset: 56.900 mm
• Bolt circle diameter: 114.300 mm / 4.500 in

Product Details

This Moog wheel bearing and hub assembly is engineered for rear service on Japan-built Mazda 3 and Mazda 3 Sport vehicles from 2014 through 2018. Part number 512523 is specified with an integrated ABS sensor and the hub dimensions needed for proper wheel and brake interface alignment. Moog focuses on design updates that improve service life and make replacement easier, which is useful when restoring rear wheel support, ABS signal function, and consistent wheel mounting on the Mazda 3 platform. This part cross-references Timken HA590547 for the same application.

Common Repair Uses

• Rear wheel bearing noise or rough rotation
• ABS warning light caused by a failed hub sensor assembly
• Wheel play or looseness at the rear hub
• Uneven rear wheel mounting or hub wear
• Service replacement on a Japan-built Mazda 3 or Mazda 3 Sport

Installation Notes

Verify rear position, Japan-built configuration, and hub dimensions before installation. Confirm bolt circle, pilot diameters, and ABS sensor connection match the original setup. For best results, inspect the mating surfaces, brake components, and wheel studs during service. Part number 512523 should be matched to the vehicle’s rear axle application before final assembly.

Quality Assurance

Moog is known for ongoing chassis and driveline design improvements that focus on longer service life and easier replacement. Part number 512523 is built to meet the needs of rear hub service on the listed Mazda applications.