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SEN-2ABS0484• Front• ABS Wheel Speed Sensor
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GeoBrakes stocks a complete range of passive and active ABS wheel speed sensors confirmed to fit the Chevrolet Blazer, each sourced to OEM specifications for direct-fit installation and reliable ABS performance on your Blazer. Every Chevrolet Blazer sensor is compatible with traction control and stability control systems.
Standard/OE$55.75
10 items in stock
Select your vehicle to see compatible products and accurate pricing
Your Chevrolet Blazer ABS wheel speed sensor is the component that makes anti-lock braking possible on your Blazer. It monitors the rotational speed of each wheel in real time and sends that data to the Chevrolet Blazer ABS control module, which uses it to prevent wheel lockup during emergency stops. When a sensor fails on your Blazer, your ABS loses the input it needs. On wet, icy, or gravel road surfaces, the difference between a controlled stop and a skid can come down to whether your Chevrolet Blazer wheel speed data is reaching the module.
The ABS wheel speed sensor on the Chevrolet Blazer is an electromagnetic or Hall-effect sensor mounted near each wheel hub or bearing assembly of your Blazer. It generates an electronic signal as a toothed reluctor ring rotates past it, producing a frequency the Blazer ABS module interprets as wheel speed. On most modern Chevrolet Blazer vehicles, this same data feeds the traction control system, electronic stability control, and electronic brake force distribution, making a functioning wheel speed sensor critical to the safe operation of multiple Blazer systems simultaneously.
GeoBrakes stocks both passive and active ABS wheel speed sensors for the Chevrolet Blazer. Passive sensors use an analog signal and are found on older Blazer vehicles and many trucks still in service. Active Hall-effect sensors require a small power supply and output a clean digital signal, offering greater accuracy at very low speeds. Active sensors are standard on most Chevrolet Blazer vehicles manufactured after the mid-2000s and are required for full compatibility with modern Blazer traction and stability control systems.
Signal accuracy matters as much as fitment with Chevrolet Blazer wheel speed sensors. A sensor that generates the correct frequency for your Blazer ABS module ensures consistent ABS calibration, proper traction control thresholds, and accurate stability control response on your Chevrolet Blazer. Every sensor in the GeoBrakes catalogue is matched to the Chevrolet Blazer through our vehicle selector, with front and rear positions listed separately to eliminate position errors on your Blazer.
Can I drive my Chevrolet Blazer with a faulty ABS wheel speed sensor?
You can drive the Chevrolet Blazer with a failed ABS sensor, but the anti-lock braking system on your Blazer will be completely disabled. On icy or wet American roads, this significantly increases stopping distances and the risk of losing steering control during hard braking on your Chevrolet Blazer. Replacing a failed sensor promptly is strongly recommended, particularly before winter.
How do I find the right ABS sensor for my Chevrolet Blazer?
Use the GeoBrakes vehicle selector and enter the Chevrolet Blazer year, make, and model. The system displays only the sensors confirmed to fit the Chevrolet Blazer, with front and rear positions listed separately. Select the position matching the sensor you are replacing on your Blazer to avoid receiving the wrong unit.
Do I need to replace all four ABS sensors on my Chevrolet Blazer at the same time?
No. ABS wheel speed sensors on the Chevrolet Blazer are independent components and only the failed unit needs to be replaced. However, if your Blazer has high mileage and one sensor has failed, it is worth visually inspecting the connectors on the other Chevrolet Blazer sensors for corrosion while the wheel is removed.