Vehicle Specification & Fitment
| OEM Part Number | B45B437A0B |
|---|---|
| Make | Mazda |
| Model | 3 |
| Series | Bm |
| Year Range | 2013 - 2016 |
| Compatible Years | 2013, 2014, 2015, 2016 |
| Weight | 3 Kgs |
| Condition | Used (Tested & Verified) |
Genuine Mazda 3 BM / BN ABS Pump Module (2013-2016) Part No. B45B437A0B (B45B 43 7A0 B)
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Unsure if this fits your vehicle? Our experts will manually verify the compatibility of SKU: P89S9C for your specific Mazda model before dispatch.
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Free Express Shipping Australia-Wide (1-2 business days) or free in-store pickup from our Yennora, NSW warehouse.
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Verified FitmentTested & Verified Braking Modulator | SKU: P89S9C | 12-Month Replacement Warranty
Restore absolute braking control and clear critical system faults with this Genuine Mazda 3 BM ABS Pump Modulator (Part No: B45B437A0B). Sourced from low-mileage donor vehicles and meticulously bench-tested at our Yennora, NSW warehouse, this unit is the definitive replacement for failing 2013–2016 BM series braking systems. This module serves as your primary Electronic Brake Control assembly, essential for anti-lock performance on Australian roads.
Fault Symptoms (Is Your Mazda 3 BM ABS Module Failing?)
The Mazda 3 BM platform frequently exhibits these exact diagnostic symptoms when the B45B437A0B internal modules encounter circuitry or hydraulic breakdown:
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C0020 ABS Pump Motor Control Circuit Error An internal failure within the electric pump motor or its command relay, freezing mechanical pressure assistance and hard-locking safety dash warnings.
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U0121 Loss of Communication with ABS Control Module A fatal bus communication dropout where the powertrain control module (PCM) loses tracking telemetry, disabling the vehicle's cruise and traction frameworks.
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Simultaneous SCBS & DSC Warning Grid Hard Lock Internal processor deterioration that disables the Smart City Brake Support alongside stability safety parameters due to erratic brake pressure calculations.
Fitment & Technical FAQ for Mazda 3 (2013 - 2016) Braking System Part #B45B437A0B
The most frequent indicator is the simultaneous illumination of the ABS, Dynamic Stability Control (DSC), and Smart City Brake Support (SCBS) system alert indicators on the instrument cluster. Connecting a diagnostic scanner will typically reveal hard fault logs like C0020 (ABS Motor Circuit Malfunction) or U0121 (Lost Communication with EBCM).
Yes. The third-generation Mazda 3 BM series runs a complex body network architecture. When this replacement unit is installed, it must be paired and initialized to your vehicle's specific VIN using a professional workshop diagnostic tool or specialized software like Mazda IDS or FORScan. This mapping syncs your car's steering angle and yaw rate configurations.
Every module is unbolted from selected donor vehicles and immediately undergoes rigorous technical screening at our Yennora facility. We perform a CAN-bus system test to ensure the microprocessor responds seamlessly to diagnostic prompts and run a dynamic verification loop on the hydraulic solenoid blocks to confirm no ports are locked or leaking fluid.
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