BBY2437AZ Genuine Mazda ABS Hydraulic Control Unit

Description

The BBY2437AZ is a genuine Mazda ABS hydraulic control unit developed for select 2010–2013 Mazda 3 and Mazdaspeed3 vehicles featuring 2.0L, 2.3L, or 2.5L gasoline engines. This assembly houses the hydraulic pump, motor, accumulator, and proportioning valve, working with the factory ABS system to adjust brake fluid pressure and minimize wheel lockup during intense braking.

Vehicle Compatibility

General Specifications

Product Features

The BBY2437AZ Mazda ABS hydraulic control unit provides coordinated hydraulic pressure management for compatible Mazda 3 braking systems:

• Responds to ABS commands by varying pressure within brake circuits
• Houses an electrically driven pump for hydraulic pressure regulation
• Integrates an accumulator into the factory brake fluid control assembly
• Features a proportioning valve for the designated hydraulic distribution system
• Designed for select vehicles without factory Dynamic Stability Control
• Helps maintain wheel movement when braking conditions approach wheel lockup
• Uses mounting provisions and hydraulic ports suited to compatible Mazda applications

Application Notes

The BBY2437AZ is intended for select 2010–2013 Mazda 3 i, S, and Mazdaspeed models equipped with corresponding 2.0L, 2.3L, or 2.5L gasoline engines and an anti-lock braking system without Dynamic Stability Control. Before fitting the assembly, examine the original unit's hydraulic connections, wiring interface, mounting position, and Mazda-specified ABS bleeding requirements.

Always check the vehicle VIN, original ABS assembly number, Dynamic Stability Control configuration, and hydraulic line compatibility before installation.