BBY2437AZB Genuine Mazda ABS Hydraulic Control Unit
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Unit Auto Parts LLC provides a complimentary 2-Year Warranty on all automotive parts. Shop with confidence knowing your purchase is protected. Learn More
The BBY2437AZB is a genuine Mazda ABS hydraulic control unit designed for select 2010–2013 Mazda 3 and Mazdaspeed3 vehicles equipped with 2.0L, 2.3L, or 2.5L gasoline engines. Featuring a combined hydraulic pump, motor, accumulator, and proportioning valve, this unit regulates brake fluid pressure when ABS activates, helping the driver maintain directional control during sudden braking.
| Year | Vehicle | Engine | Trims |
|---|---|---|---|
| 2010 | Mazda 3 | 2.3L L4 Gas | Mazdaspeed |
| 2010 | Mazda 3 | 2.5L L4 Gas | S |
| 2010 | Mazda 3 | 2.0L L4 Gas | i |
| 2011 | Mazda 3 | 2.3L L4 Gas | Mazdaspeed |
| 2011 | Mazda 3 | 2.5L L4 Gas | S |
| 2011 | Mazda 3 | 2.0L L4 Gas | i |
| 2012 | Mazda 3 | 2.3L L4 Gas | Mazdaspeed |
| 2012 | Mazda 3 | 2.5L L4 Gas | S |
| 2012 | Mazda 3 | 2.0L L4 Gas | i |
| 2013 | Mazda 3 | 2.3L L4 Gas | Mazdaspeed |
| 2013 | Mazda 3 | 2.5L L4 Gas | S |
| 2013 | Mazda 3 | 2.0L L4 Gas | i |
| Condition | New |
| Part Number | BBY2437AZB |
| Brand | Mazda |
| Part Type | ABS Hydraulic Control Unit |
| Years | 2010–2013 |
| Vehicle | Mazda 3, Mazdaspeed3 |
| Engine | 2.0L L4 Gas, 2.3L L4 Gas, 2.5L L4 Gas |
| System | Anti-Lock Braking System (ABS) |
| Included Components | Accumulator, Proportioning Valve, Pump, Motor |
| Stability Control | Without Dynamic Stability Control |
| Fitment Type | Direct Replacement |
| Weight | 6.4 lb |
The BBY2437AZB Mazda ABS hydraulic control unit combines essential hydraulic components to support anti-lock braking functions in compatible Mazda vehicles:
The BBY2437AZB is intended for select 2010–2013 Mazda 3 i, S, and Mazdaspeed models featuring compatible 2.0L, 2.3L, or 2.5L gasoline engines and factory ABS without Dynamic Stability Control. Proper installation involves examining the existing hydraulic assembly, electrical connector, brake line fittings, and mounting points before completing the manufacturer-specified ABS bleeding process.
Always confirm the vehicle VIN, factory ABS unit identification, Dynamic Stability Control configuration, and hydraulic connection compatibility before installation.