The Tool Desk
Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →Outbyte PC Repair FREEClear out junk files and repair common Windows errorsFree Scan →An anti-lock braking system (ABS) detects when a wheel is nearing lockup and automatically adjusts brake pressure to help the driver maintain stability and steering control while braking. ABS may shorten stopping distances on some surfaces, but it does not guarantee a shorter stop in every condition.
What is an anti-lock braking system?
ABS is a vehicle safety system that monitors wheel rotation and modulates braking force to limit wheel lock. When a wheel locks, it can stop rotating while the vehicle is still moving. By helping prevent that condition, ABS is designed to support stability and steering control during braking. The system’s purpose is not simply to make every stop shorter.
NHTSA describes ABS as sensing wheel angular rotation, interpreting the resulting signals, and using modulators to adjust brake forces. NHTSA’s regulatory explanation describes the system’s basic function.
How does ABS work?
Wheel-speed sensors report wheel rotation to an electronic controller. If a wheel is slowing toward lockup, the controller signals a brake modulator to hold or reduce pressure at that wheel. Pressure is then reapplied as conditions allow. The system repeats this hold, release, and reapplication cycle while the driver continues braking. The precise design varies by vehicle.
What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
#1 Best Overall
- Vehicle Specific Fit: for Mitsubishi Galant 2006-2011
- Performance: Our reinforced wheel speed sensor will keep your car from skidding or sliding when you brake suddenly. You will get accurate and rapid signal measurement of wheel speeds to optimal braking performance.
- Installation Guide: Easy Installation.Remove the car wheel, unplug the ABS sensor and sensor connector, then replace the new abs sensor.
- Feature: Pin Number: 2 Pins, Placement on car: Front Rear Left Right
- What You Get: 1 Set ABS Wheel Speed Sensor
Bosch Mobility summarizes the intervention this way: “If a wheel is about to lock under heavy braking, the system reduces the braking pressure on that single wheel until the threat of locking is past.” Bosch’s ABS technical page also notes that the brake pedal may pulsate, depending on the system, while ABS is operating.
Does ABS make a car stop faster?
Sometimes, but not always. NHTSA says ABS may shorten stopping distances on many surfaces, particularly low-friction surfaces, while emphasizing that its primary purpose is to improve stability and control. The actual stopping distance depends on conditions, including the surface and available tire-road grip. There is no single stopping-distance improvement that applies to every vehicle and situation.
Rank #2
- 🚗【Vehicle Compatibility】 Compatible with: 2007-2011 Jeep Wrangler 3.8L, 2012-2017 Jeep Wrangler 3.6L.
- 🚗【OEM Direct Replacement】 Includes 4 sensors (Front Left, Front Right, Rear Left, Rear Right) — direct fit with OE numbers: Front ABS Wheel Speed Sensor x2pcs(Left,right): Replace 68003281AD / 68003281AA / 68003281AB / 68003281AC / 52060156AD; Rear ABS Wheel Speed Sensor x2pcs(Left,right): Replace 52125003AD / 52125003AB / 52125003AC.
- 🚗【Durable & Reliable】 Made with premium materials for excellent resistance to wear and corrosion, ensuring long-lasting ABS performance and stable braking.
- 🚗【Easy Installation】 Plug-and-play design, matches original connector and mounting points — no splicing or modifications needed.
- 🚗【Restore ABS Functionality】 Replaces faulty wheel speed sensors to eliminate ABS warning lights and restore safe anti-lock braking performance.
Because ABS is intended to help retain control during hard braking, keep steering and continue braking rather than assuming the system will guarantee a shorter stop. For vehicle-specific instructions, consult the owner’s manual. NHTSA also directs drivers to their manual for details about the technology in their vehicle.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What should you do if the brake pedal pulsates or the ABS warning appears?
Pedal pulsation during braking
A pulsating brake pedal can occur when ABS is active. Bosch notes that pedal feedback depends on the system. Use the braking instructions in your owner’s manual for your particular vehicle; do not assume every model behaves identically.
Free tools Windows power users keep installed
One-click scans. No signup required.
Rank #3
- Compatible Models: Fit for Mitsubishi Lancer 2008-2017, for Outlander 2007-2017, for Outlander Sport 2011-2017
- Replacement OEM Number: ALS1784, ALS1785, 4670A031, 4670A032, 4670A576, 4670A575, SU12583, 5S11130
- Reliable Quality: ABS Wheel Speed Sensors adopts premium-quality material, well manufactured and tested before shipment, reliable quality and stability for long lasting performance
- Easy to Install: Completely match or exceed OE standard, no worry for installation, just remove your original worn one and install this sensor, you can finish it in a few minutes
- Make Sure Fit: Please confirm if it fits your car before you purchase
An ABS warning indicator
If an ABS warning appears, consult the owner’s manual and arrange appropriate diagnosis. A wheel-speed sensor is one component of ABS, but the warning alone does not establish that a sensor has failed. NHTSA’s cited explanation of ABS malfunction indicators concerns heavy vehicles and the federal requirements applicable to them; it should not be taken as a description of every passenger car’s warning-light design.
Bosch identifies wheel-speed sensors as components in modern brake-control systems, but a replacement must match the exact vehicle and should be considered only after the fault is confirmed. A warning light by itself is not enough to select a part.
Quick Recap
Best Value
- [Vehicle Fitment]: Compatible with Scion xB 2008-2014 L4 2.4L --- 2xFront ABS Sensor + 2xWire Harness for Rear ABS Sensor
- [Reference Number]: 89543-12080, 89542-12080, 8954312080, 8954212080, ALS2108, ALS2109, 5S11268, 5S11269, 89516-12080, 8951612080, 89516-12061, ALH36, 1P2119, 2ABS3257, 89516-12070, 89516-12051, ALH34, 1P2118---Please enter your vehicle information in the top left corner of the listing and check our Special Notes before ordering
- [Location]: Front and Rear Driver and Passenger Side
- [Package Included]: 2 * ABS sensor (Front Left + Front Right) + 2 * ABS sensor Wire Harness (Rear Left + Rear Right)
- [Buy with Confidence]: A-Premium offers a one-year unlimited-mileage guarantee on our meticulously crafted abs wheel speed sensors wire harness. We offer a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind
Rank #4
- CNC manufactured for exact to your vehicle
- Features factory correct bends, fittings, flares and protective wrap (where equipped)
- Manufactured with corrosion resistant SAE stainless steel tubing
- All included lines are preformed and ready install
- Made in the USA right in the Motor
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
