How Do the Anti-lock Brake System (ABS) and Dynamic Stability Control (DSC) Function, Diagnose, and Remove ABS Sensor on Mazda 3?

The Anti-lock Brake System (ABS) and Dynamic Stability Control (DSC) are designed to enhance the steerability and directional stability of your vehicle while ensuring the best deceleration during hard braking or steering actions on wet roads or rough surfaces. Anti-locking brake systems (ABS) prevent the wheel from locking up due to heavy braking. They analyse the wheel speed and modulate brake line pressure. Data from ABS Sensors help the Dynamic Stability Control (DSC) system manage traction, over/under-steering and acceleration in all driving conditions. Thus, they effectively enhance vehicle control. Located in the engine compartment is the actuator assembly which comprises an electric hydraulic pump generating pressure for the brake system and solenoid valves controlling brake line pressure. Every wheel contains an ABS Sensor that sends a signal related to wheel speed to an electronic module via the connector, the type of signal depends on manufacturer, transducer type, and application. Initially, the front ABS Sensors are mounted on the steering knuckles, while the rear ones are mounted on the trailing link. The ABS/DSC computer is placed with the actuator and it monitors the sensors to adjust hydraulic pressure in order to avoid wheel lock up or spin. It is also responsible for monitoring the system for malfunctions. If your dashboard warning light is showing, one of the first things you should check is your brake fluid. Steps like checking electrical connections and fuses should be taken before getting a diagnosis. And that can be done by a professional with experience. For ABS Sensor removal, raise and support the vehicle. Switch ignition off. Trace ABS Sensor wiring. Disconnect wiring. Remove the ABS Sensor from the hub. Installation is done in reverse order so that it is fixed firmly.

Genuine Mazda 3 ABS Sensor

ABS Wheel Speed Sensor

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19 ABS Sensors found

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Mazda 3 ABS Sensor Part Number: B45A-43-70XA
$58.19 MSRP: $77.60
You Save: $19.41 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Front-A.B.S.; Front Speed Sensor
- Replaces: B45A-43-70X
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2014-2018 Mazda 3 | Grand Touring, I Sport, I Touring, Sport, Touring, i Grand Touring, i SV, s Grand Touring, s Touring | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
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Mazda 3 ABS Sensor Part Number: BDTS-43-7EYA
$45.44 MSRP: $60.59
You Save: $15.15 (25%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Harness, Epb(Left)
- Position: Driver Side
- Replaced by: BDTS-43-7EYC
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2019-2024 Mazda 3 | 2.0, Base, Preferred, Premium, Select, Select Sport | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
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Mazda 3 ABS Sensor Part Number: BBM5-67-SH0C
$102.84 MSRP: $137.14
You Save: $34.30 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cord, Short
- Position: Passenger Side
- Replaces: BBM5-67-SH0A
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2010-2011 Mazda 3 | i | 4 Cyl 2.0 L GAS
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Mazda 3 ABS Sensor Part Number: BEET-43-7EXD
$117.68 MSRP: $156.93
You Save: $39.25 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Harness, Epb(Right); Rear Speed Sensor
- Position: Passenger Side
- Replaces: BEET-43-7EXB, BEET-43-7EXA, BEET-43-7EXC
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2019-2025 Mazda 3 | 2.5 Carbon Turbo, 2.5 S, 2.5 Turbo, 2.5 Turbo Premium Plus, Base, Carbon Edition, Preferred, Premium, Select, Select Sport | 4 Cyl 2.5 L GAS
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Mazda 3 ABS Sensor Part Number: BP4K-43-701A
$80.31 MSRP: $107.11
You Save: $26.80 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor(Front), A.B.S.; Front Speed Sensor
- Replaces: BP4K-43-701
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2004-2013 Mazda 3 | Mazdaspeed, S, SP23, i | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS
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Mazda 3 ABS Sensor Part Number: B45G-43-71Y
$31.90 MSRP: $42.54
You Save: $10.64 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Rear-A.B.S.; Rear Speed Sensor
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2014-2018 Mazda 3 | Grand Touring, I Sport, I Touring, Sport, Touring, i Grand Touring, i SV, s Grand Touring, s Touring | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
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Mazda 3 ABS Sensor Part Number: BDTS-43-70X
$38.23 MSRP: $50.98
You Save: $12.75 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor(Right), Front-A.B.S.; Front Speed Sensor
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2019-2025 Mazda 3 | 2.0, 2.5 Carbon Turbo, 2.5 S, 2.5 Turbo, 2.5 Turbo Premium Plus, Base, Carbon Edition, Preferred, Premium, Select, Select Sport | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
View related parts
Mazda 3 ABS Sensor Part Number: BAAN-43-7EXC
$118.25 MSRP: $157.70
You Save: $39.45 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Harness, Epb(Right)
- Position: Passenger Side
- Replaces: BAAN-43-7EX, BAAN-43-7EXB
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2017-2018 Mazda 3 | Grand Touring, Sport, Touring | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
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Mazda 3 ABS Sensor Part Number: BAAN-43-7EYC
$132.33 MSRP: $176.46
You Save: $44.13 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Harness, Epb(Left)
- Position: Driver Side
- Replaces: BAAN-43-7EY, BAAN-43-7EYB
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2017-2018 Mazda 3 | Grand Touring, Sport, Touring | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
View related parts
Mazda 3 ABS Sensor Part Number: BCKA-43-70X
$63.59 MSRP: $84.80
You Save: $21.21 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor(Right), Front-A.B.S.; Front Speed Sensor
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2019-2025 Mazda 3 | 2.0, 2.5 Carbon Turbo, 2.5 S, 2.5 Turbo, 2.5 Turbo Premium Plus, Base, Carbon Edition, Preferred, Premium, Select, Select Sport | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
View related parts
Mazda 3 ABS Sensor Part Number: BP4N-67-SH0D
$63.96 MSRP: $85.31
You Save: $21.35 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cord, Short
- Position: Driver Side
- Replaces: BP4N-67-SH0B, BP4N-67-SH0C
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2010-2013 Mazda 3 | Mazdaspeed, S, i | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS
View related parts
Mazda 3 ABS Sensor Part Number: BJS7-43-71Y
$28.53 MSRP: $38.04
You Save: $9.51 (25%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor(Right), Rear-A.B.S.; Rear Speed Sensor
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2014-2018 Mazda 3 | Grand Touring, I Sport, I Touring, Sport, Touring, i Grand Touring, i SV, s Grand Touring, s Touring | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
View related parts
Mazda 3 ABS Sensor Part Number: BP4K-43-711B
$40.30 MSRP: $53.74
You Save: $13.44 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Rear-A.B.S.; Rear Speed Sensor, Speed Sensor
- Replaces: BP4K-43-711, BP4K-43-711A
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2004-2013 Mazda 3 | Mazdaspeed, S, SP23, i | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS
View related parts
Mazda 3 ABS Sensor Part Number: BJS7-43-70XA
$43.60 MSRP: $58.15
You Save: $14.55 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor(Right), Front-A.B.S.; Front Speed Sensor
- Replaces: BJS7-43-70X
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2014-2018 Mazda 3 | Grand Touring, I Sport, I Touring, Sport, Touring, i Grand Touring, i SV, s Grand Touring, s Touring | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
View related parts
Mazda 3 Harness, Epb(Right) Part Number: BDTS-43-7EXC
$48.54 MSRP: $64.72
You Save: $16.18 (25%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: HARNESS,EPB(R); ABS Sensor, Rear Speed Sensor
- Position: Passenger Side
- Replaces: BDTS-43-7EX, BDTS-43-7EXA
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2019-2024 Mazda 3 | 2.0, 2.5 S, Base, Carbon Edition, Preferred, Premium, Select, Select Sport | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
View related parts
Mazda 3 ABS Sensor Part Number: BBM6-67-SH0B
$104.01 MSRP: $138.71
You Save: $34.70 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cord, Short
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2010-2013 Mazda 3 | Mazdaspeed, S, i | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS
View related parts
Mazda 3 ABS Sensor Part Number: BCKA-43-7EXD
$109.38 MSRP: $145.87
You Save: $36.49 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Harness, Epb(Right); Rear Speed Sensor
- Position: Passenger Side
- Replaces: BCKA-43-7EXC
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2019-2025 Mazda 3 | 2.0, 2.5 S, Base, Carbon Edition, Preferred, Premium, Select, Select Sport | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
View related parts
Mazda 3 ABS Sensor Part Number: BCKA-43-7EYD
$114.34 MSRP: $152.49
You Save: $38.15 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Harness, Epb(Left)
- Position: Driver Side
- Replaces: BCKA-43-7EYB, BCKA-43-7EYC, BCKA-43-7EY, BCKA-43-7EYA
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2019-2025 Mazda 3 | 2.0, 2.5 S, Base, Carbon Edition, Preferred, Premium, Select, Select Sport | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
View related parts
Mazda 3 ABS Sensor Part Number: BEET-43-7EYD
$119.98 MSRP: $159.99
You Save: $40.01 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Harness, Epb(Left)
- Position: Driver Side
- Replaces: BEET-43-7EYA, BEET-43-7EYB, BEET-43-7EYC
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2019-2025 Mazda 3 | 2.5 Carbon Turbo, 2.5 Turbo, 2.5 Turbo Premium Plus, Base, Carbon Edition, Preferred, Premium, Select, Select Sport | 4 Cyl 2.5 L GAS

Mazda 3 ABS Sensor

Mazda 3 ABS Sensor monitors the rotation of the wheels and sends speed information to the control module so that the anti-lock braking system can adjust the brake pressure and prevent locking during heavy braking. The ABS Sensor is mounted adjacent to a toothed ring. This ring could either be the wheel hub axle shaft or the differential gear. As a tooth passes its tip, the ABS Sensor gives out a rising and falling voltage. The module compares signals from every wheel, and when one slows much faster, it momentarily lowers hydraulic pressure to that brake, allowing traction to recover. There are two methods of operation. A type of combination consists of a magnet as well as a Hall effect element that detects the fluctuation in magnetic flux due to the ring's spin. One mechanism employs a toothed wheel complemented by an electromagnetic coil, which generates a voltage that varies in magnitude and direction. Generally, both ABS Sensors transmit an electrical pulse stream from rotation. However, at very low speeds, when magnetic fluctuations become weaker, the accuracy can decrease. The sensor on Mazda 3 models will trigger the system warning light if a fault is detected. In that condition, normal hydraulic braking usually remains, but the anti-lock system feature is disabled until the problem clears. This design concealment assists in achieving Mazda safety goals by helping to maintain stability on a wide variety of surfaces. If the module detects one wheel of a Mazda 3 slowing down more than others, it immediately applies the brakes more strongly on all the other wheels through the hydraulic unit.

Looking for ABS Sensor with proven quality? Choose OEM ABS Sensor. Mazda designs and builds them to strict factory specs. Every piece goes through rigorous quality checks. You'll get parts that fit right and work like new. Shop our huge inventory of OEM Mazda 3 parts. Enjoy the highly competitive prices online. Our site is your one-stop shop. Each genuine 3 part includes a manufacturer's warranty. Buy with confidence. Our return policy is simple and hassle-free. In a rush? Choose expedited delivery at checkout. You'll love the streamlined experience from search to checkout to receiving your order.

Mazda 3 ABS Sensor Parts and Q&A

ABS Sensor
BBM5-67-SH0C
Q:
How Do the Anti-lock Brake System (ABS) and Dynamic Stability Control (DSC) Function, Diagnose, and Remove ABS Sensor on Mazda 3?
A:
The Anti-lock Brake System (ABS) and Dynamic Stability Control (DSC) are designed to enhance the steerability and directional stability of your vehicle while ensuring the best deceleration during hard braking or steering actions on wet roads or rough surfaces. Anti-locking brake systems (ABS) prevent the wheel from locking up due to heavy braking. They analyse the wheel speed and modulate brake line pressure. Data from ABS Sensors help the Dynamic Stability Control (DSC) system manage traction, over/under-steering and acceleration in all driving conditions. Thus, they effectively enhance vehicle control. Located in the engine compartment is the actuator assembly which comprises an electric hydraulic pump generating pressure for the brake system and solenoid valves controlling brake line pressure. Every wheel contains an ABS Sensor that sends a signal related to wheel speed to an electronic module via the connector, the type of signal depends on manufacturer, transducer type, and application. Initially, the front ABS Sensors are mounted on the steering knuckles, while the rear ones are mounted on the trailing link. The ABS/DSC computer is placed with the actuator and it monitors the sensors to adjust hydraulic pressure in order to avoid wheel lock up or spin. It is also responsible for monitoring the system for malfunctions. If your dashboard warning light is showing, one of the first things you should check is your brake fluid. Steps like checking electrical connections and fuses should be taken before getting a diagnosis. And that can be done by a professional with experience. For ABS Sensor removal, raise and support the vehicle. Switch ignition off. Trace ABS Sensor wiring. Disconnect wiring. Remove the ABS Sensor from the hub. Installation is done in reverse order so that it is fixed firmly.

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Genuine Mazda 3 ABS Sensor

19 ABS Sensors found

Mazda 3 ABS Sensor Part Number: B45A-43-70XA

Mazda 3 ABS Sensor Part Number: BDTS-43-7EYA

Mazda 3 ABS Sensor Part Number: BBM5-67-SH0C

Mazda 3 ABS Sensor Part Number: BEET-43-7EXD

Mazda 3 ABS Sensor Part Number: BP4K-43-701A

Mazda 3 ABS Sensor Part Number: B45G-43-71Y

Mazda 3 ABS Sensor Part Number: BDTS-43-70X

Mazda 3 ABS Sensor Part Number: BAAN-43-7EXC

Mazda 3 ABS Sensor Part Number: BAAN-43-7EYC

Mazda 3 ABS Sensor Part Number: BCKA-43-70X

Mazda 3 ABS Sensor Part Number: BP4N-67-SH0D

Mazda 3 ABS Sensor Part Number: BJS7-43-71Y

Mazda 3 ABS Sensor Part Number: BP4K-43-711B

Mazda 3 ABS Sensor Part Number: BJS7-43-70XA

Mazda 3 Harness, Epb(Right) Part Number: BDTS-43-7EXC

Mazda 3 ABS Sensor Part Number: BBM6-67-SH0B

Mazda 3 ABS Sensor Part Number: BCKA-43-7EXD

Mazda 3 ABS Sensor Part Number: BCKA-43-7EYD

Mazda 3 ABS Sensor Part Number: BEET-43-7EYD

Mazda 3 ABS Sensor

Mazda 3 ABS Sensor Parts and Q&A

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