Standard Ignition ALH121 ABS Wheel Speed Sensor Wiring Harness - Rear Left

Brand Standard Ignition ALH121
Position Rear Left
Connector Gender Female
Connector Shape Rectangular
Connector Shape Square
Contents Antilock Brake Speed Sensor Harness
Terminal Gender Male
Terminal Type Blade
Fits Toyota · 5 vehicles

ABS sensor harness. Connects the antilock brake speed sensor with a square, blade-terminal design.

Female connectors. Two female connectors help provide a straightforward harness connection.

Blade terminals. Male blade terminals support a secure electrical connection.

Cross-references Standard Ignition ALH121, 536122 and 8951602160 for the same application. See all 4.

$113.75Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $113.75
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

ABS Wheel Speed Sensor Harness for Toyota Matrix

Restore a secure electrical connection at the rear left ABS wheel speed sensor with this Standard Ignition wiring harness. The ALH121 is built for 2009-2013 Toyota Matrix applications and uses a female connector with square housing and male blade terminals for a direct-style replacement.

Fits 2009-2013 Toyota Matrix, rear left. This part cross-references 536122 and 8951602160 for the same application.

Key Features

  • ABS wheel speed sensor wiring harness for the rear left position
  • Female connector design with 2 connector cavities
  • Square connector shape for OE-style fitment
  • Male blade terminals with 2 terminal contacts
  • Standard Ignition ALH121 replacement part

Detailed Description

Standard Ignition ALH121 is an antilock brake speed sensor harness made for the rear left wheel position on the Toyota Matrix. It connects the ABS wheel speed sensor to the vehicle wiring, helping maintain a stable signal path between the sensor and the braking system. For buyers searching for a Toyota Matrix rear left ABS wheel speed sensor wiring harness, ALH121 provides a direct-fit service part for the listed model years.

Use this harness when the original connector or lead has become damaged, corroded, or intermittent. The square female connector and blade-style male terminals are specified to match the application, supporting a clean electrical connection at the wheel end of the ABS system. Standard Ignition ALH121 is also referenced by part numbers 536122 and 8951602160.

What It Helps Solve

  • Intermittent ABS wheel speed sensor signal at the rear left wheel
  • Broken, cracked, or heat-damaged sensor wiring
  • Corrosion at the connector or terminal interface
  • ABS warning light caused by poor sensor circuit continuity
  • Electrical connection issues during brake system service

Installation Notes and Tips

Verify the rear left position and compare the connector shape, gender, and terminal style before installation. Inspect the sensor connector, harness routing, and nearby clips for wear or damage so the replacement harness seats correctly and maintains proper clearance around suspension and brake components. Confirm fitment for 2009, 2010, 2011, 2012, and 2013 Toyota Matrix models before ordering.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical and engine management components. ALH121 is cataloged as an ABS wheel speed sensor wiring harness for the specified Toyota Matrix application.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelDrive TypeLitersCylindersPositionNotes
2013ToyotaMatrix—FWD——Rear Left—
2012ToyotaMatrix—FWD——Rear Left—
2011ToyotaMatrix—FWD——Rear Left—
2010ToyotaMatrixXRS—2.4LL4Rear Left—
2009ToyotaMatrixXRS—2.4LL4Rear Left—
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — ALH1215361228951602160ABH121