Standard Ignition ALS3577 ABS Wheel Speed Sensor - Rear Left

Brand Standard Ignition ALS3577
Position Rear Left
Mounting Hardware Included No
Terminal Quantity 2
Connector Gender Female
Terminal Gender Male
Connector Quantity 1
Connector Shape Oval
Dust Shield Included No
Harness Length - inches 27.5
Harness Length - mm 698.5
Mounting Location Wheel
Mounting Type Bolt mount
Notes Includes bracket
Number of Bolt Holes 3
Terminal Type Mini-blade
Fits Subaru · 2 vehicles

Bolt-mount design. Includes a bracket for secure wheel sensor installation.

27.5-inch harness. Provides routing length for the specified electrical connection.

Direct sensor replacement. Built with a female oval connector and mini-blade terminals.

Cross-references Standard Ignition ALS3577, 27540AL11A and 533966 for the same application. See all 5.

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Overview

Standard Ignition ALS3577 is an ABS wheel speed sensor for the rear left wheel position on select Subaru Outback applications. It uses a bolt-mount design with an included bracket, a female oval connector, and a 27.5-inch harness for a direct service replacement.

Key Features

  • ABS wheel speed sensor for wheel-mounted applications
  • Bolt-mount design with 3 bolt holes
  • Includes bracket for installation support
  • Female oval connector with male mini-blade terminals
  • 27.5-inch harness length for routing flexibility
  • No dust shield included

Detailed Description

Standard Ignition ALS3577 is built for vehicles that use a wheel-mounted ABS sensor with a bolt-on attachment point and a 2-terminal electrical connection. The sensor features a female oval connector, male mini-blade terminals, and a harness length of 27.5 inches to match the routing needs of the original setup. This part cross-references 27540AL11A and 533966 for the same application. Fits 2014 Subaru Outback, rear left. Fits 2015 Subaru Outback, rear left.

Common Uses

  • Restoring ABS wheel speed signal accuracy
  • Replacing a damaged or worn wheel speed sensor
  • Addressing ABS warning light concerns tied to sensor failure
  • Correcting connector or harness-related sensor issues

Installation Notes

Verify connector shape, terminal style, mounting type, and harness length before installation. This sensor mounts at the wheel with a bolt-mount design and includes a bracket. Confirm the rear left application and the 2015 Subaru Outback note of use through 5/15 before ordering.

Quality Assurance

Standard Ignition is a recognized aftermarket source for electrical and sensor components, and ALS3577 is built to match the specified fitment and connection details for the listed Subaru Outback applications.

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2015SubaruOutbackRear LeftTo 5/15
2014SubaruOutbackRear Left—
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — ALS357727540AL11A533966ABS3577ABSB10469