HomeBrake > SensorsStandard Ignition ALS1209 ABS Wheel Speed Sensor - Rear Left
Part #: ALS1209

Standard Ignition ALS1209 ABS Wheel Speed Sensor - Rear Left

Rear Left
1 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mazda, Protege
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Overview of Standard Ignition ALS1209 ABS Wheel Speed Sensor

The Standard Ignition ALS1209 ABS Wheel Speed Sensor is designed specifically for Mazda Protege models, providing reliable wheel speed data essential for your vehicle's anti-lock braking system. This sensor features a durable 34-inch harness and a precise rectangular connector to ensure a secure fit and accurate performance.

  • Compatible with Mazda Protege vehicles
  • Two-terminal blade type with male connector and female terminals
  • Rectangular connector shape with one connector quantity
  • 34-inch (867 mm) harness length for flexible installation
  • Mounts directly on the wheel with two bolt holes for secure attachment
  • Hardware not included

Detailed Product Description

The Standard Ignition ALS1209 ABS Wheel Speed Sensor is engineered to monitor wheel speed by detecting rotational speed changes at the wheel hub. It features a two-terminal blade type connection with a male connector and female terminals, ensuring compatibility with the vehicle’s wiring harness. The rectangular connector shape and single connector quantity simplify installation and maintain a stable electrical connection. With a 34-inch harness length, this sensor offers sufficient reach for mounting on the wheel, secured by two bolt holes for a firm fit. This sensor is designed specifically for the Mazda Protege, ensuring precise fitment and reliable ABS system performance.

Common Applications and Issues Addressed

  • Restores ABS functionality by providing accurate wheel speed data
  • Eliminates ABS warning lights caused by faulty or damaged sensors
  • Prevents erratic braking behavior due to sensor signal loss
  • Helps maintain vehicle stability and control during braking
  • Replaces worn or corroded wheel speed sensors on Mazda Protege

Installation Notes and Tips

  • Ensure the mounting location on the wheel is clean and free of debris before installation
  • Use the two bolt holes to securely fasten the sensor to prevent movement
  • Verify the connector is fully seated and locked to avoid electrical issues
  • Check the harness length to confirm it reaches the connection point without tension
  • Hardware is not included; retain original mounting bolts or source compatible replacements

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring dependable performance and durability. The ALS1209 ABS Wheel Speed Sensor undergoes rigorous testing to maintain quality standards. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandStandard Ignition
Part NumberALS1209
Connector GenderMale
Connector ShapeRectangular
Harness Length - inches34
Harness Length - mm867 mm
Mounting LocationWheel
Number of Bolt Holes2
Terminal GenderFemale
Terminal TypeBlade

This part fits 1 vehicles. Search below:

YearMakeModelPositionNotes
1996MazdaProtegeRear Left

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

5317295S637472-572272434ABS1319ABSD30973ARC3002BC4C4372YA

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.