Standard Ignition ALS3170 rear left ABS wheel speed sensor for the 2019-2025 Subaru Forester and other vehicles reads wheel speed for the ABS. It mounts at the spindle with one bolt.
- Constructed from durable synthetic material made to withstand harsh operating conditions
- Wiring harness included, 26.5 in (673 mm) long
- Grommets and wire clips on the harness for proper mounting and routing
- Sealed connector for protection in harsh conditions
- Tested on vehicles for proper fit and correct integration with electronic safety systems
Quick facts
- Part: Standard Ignition ALS3170 ABS wheel speed sensor
- Fits: 2019-2025 Subaru Forester and other vehicles
- Position: Rear left
A lit ABS or traction control warning light can mean the sensor has failed, and a damaged harness or connector can also be behind it. These signs alone do not prove this sensor is the problem; a damaged tone ring is another common cause. This listing is one sensor for the rear left wheel, and the rear right side is a separate part.
Fits
It fits the 2019-2025 Subaru Forester and the 2018-2023 Subaru Crosstrek.
Specifications
Fit and size
- Position: rear left
- Quantity per application: 1
- Mounting location: spindle
- Number of bolt holes: 1
- Harness length: 26.5 in (673 mm)
Build and materials
- Mounting type: bolt mount
- Attachment method: direct, snap fit
- Connector: square, female, 1 connector
- Wires: 2
- Terminals: 2, blade, male
- Country of origin: Thailand
In the box
One ABS wheel speed sensor with its wiring harness. Mounting hardware, a mounting bracket and a dust shield are not included; plan on new mounting bolts, since the old ones may not be reusable.
Installation notes
- Grommets and wire clips come on the harness for proper mounting and routing, which saves technicians time.
Interchange: ABS3170 · ABSA82 · 533541 · 27540FL111 · 27540FL112
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
ABS3170, ABSA82, 533541, ALS3170, 27540FL111, 27540FL112
Frequently Asked Questions
Will the Standard Ignition ALS3170 fit a 2019-2025 Subaru Forester?
Yes. Standard Ignition ALS3170 is a rear left ABS wheel speed sensor for the 2019-2025 Subaru Forester, and it also fits the 2018-2023 Subaru Crosstrek.
Does this Standard Ignition ABS wheel speed sensor include mounting bolts?
No. Mounting hardware, a mounting bracket and a dust shield are not included. The sensor comes with its wiring harness, which has grommets and wire clips.
How long is the harness on the Standard Ignition ALS3170 sensor?
The Standard Ignition ALS3170 harness is 26.5 in (673 mm) long. It ends in one square female connector with two male blade terminals.
What can a failing rear left ABS wheel speed sensor look like?
An ABS or traction control warning light can come on when the sensor signal is lost, and a damaged wire or connector can also trigger it. A shop can test the circuit.
Is this sensor a bolt-on or a snap-in design?
It is a bolt mount with one bolt hole at the spindle. Its attachment method is listed as direct, snap fit.
