BVSN437AZC 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 BVSN437AZC is a genuine Mazda ABS hydraulic control unit intended for select 2004–2009 Mazda 3 models with 2.0L and 2.3L gasoline engines. Equipped with a hydraulic pump, electric motor, accumulator, and proportioning valve, this assembly controls brake fluid pressure during ABS operation to help maintain wheel rotation and vehicle maneuverability.
| Year | Vehicle | Engine | Trims |
|---|---|---|---|
| 2004 | Mazda 3 | 2.3L L4 Gas | S |
| 2004 | Mazda 3 | 2.0L L4 Gas | i |
| 2005 | Mazda 3 | 2.3L L4 Gas | S |
| 2005 | Mazda 3 | 2.3L L4 Gas | SP23 |
| 2005 | Mazda 3 | 2.0L L4 Gas | i |
| 2006 | Mazda 3 | 2.3L L4 Gas | S |
| 2006 | Mazda 3 | 2.0L L4 Gas | i |
| 2007 | Mazda 3 | 2.3L L4 Gas | Mazdaspeed |
| 2007 | Mazda 3 | 2.3L L4 Gas | S |
| 2007 | Mazda 3 | 2.0L L4 Gas | i |
| 2008 | Mazda 3 | 2.3L L4 Gas | Mazdaspeed |
| 2008 | Mazda 3 | 2.3L L4 Gas | S |
| 2008 | Mazda 3 | 2.0L L4 Gas | i |
| 2009 | Mazda 3 | 2.3L L4 Gas | Mazdaspeed |
| 2009 | Mazda 3 | 2.3L L4 Gas | S |
| 2009 | Mazda 3 | 2.0L L4 Gas | i |
| Condition | New |
| Part Number | BVSN437AZC |
| Brand | Mazda |
| Part Type | ABS Hydraulic Control Unit |
| Years | 2004–2009 |
| Vehicle | Mazda 3 |
| Engine | 2.0L L4 Gas, 2.3L L4 Gas |
| System | Anti-Lock Braking System (ABS) |
| Included Components | Hydraulic Pump, Motor, Accumulator, Proportioning Valve |
| Stability Control | Without Stability Control |
| Fitment Type | Direct Replacement |
| Weight | 6.25 lb |
The BVSN437AZC Mazda ABS hydraulic control unit is built to regulate braking pressure through the original hydraulic circuits of compatible Mazda 3 vehicles:
The BVSN437AZC is intended for select 2004–2009 Mazda 3 i, S, SP23, and Mazdaspeed configurations equipped with compatible 2.0L or 2.3L gasoline engines and an ABS system without stability control. Review the existing hydraulic assembly, brake line routing, electrical connections, and Mazda service procedures to determine the correct installation and bleeding requirements.
Always check the vehicle VIN, original ABS hydraulic unit identification, stability control configuration, hydraulic fitting positions, and factory bleeding specifications before installation.