Standard Ignition ALS243 ABS Wheel Speed Sensor - Front Left

Reliable ABS Wheel Speed Sensor for Infiniti and Nissan Vehicles

The Standard Ignition ALS243 ABS Wheel Speed Sensor is designed to provide accurate wheel speed data for your Infiniti Pathfinder or Nissan QX4. This sensor helps maintain proper ABS function and vehicle stability by monitoring wheel rotation.

• Compatible with Infiniti Pathfinder and Nissan QX4 models
• Part number ALS243 ensures precise fit and function
• Engineered to deliver accurate wheel speed readings
• Durable construction for long-lasting performance
• Direct replacement sensor for ABS system maintenance

Product Details and Compatibility

The Standard Ignition ALS243 ABS Wheel Speed Sensor is specifically engineered for use in the ABS braking systems of Infiniti Pathfinder and Nissan QX4 vehicles. This sensor monitors the rotational speed of the wheels and sends this data to the vehicle’s ABS control module. Accurate wheel speed information is critical for preventing wheel lockup during braking and maintaining vehicle control. The ALS243 sensor is manufactured to meet OEM specifications, ensuring reliable performance and proper fitment for the specified models.

Common Applications and Problem Resolution

This ABS wheel speed sensor is used to address several issues related to ABS system performance and vehicle safety:

• Intermittent or non-functioning ABS warning lights
• Erratic or unstable braking behavior
• Loss of traction control or stability control functions
• Inaccurate wheel speed data affecting ABS operation
• Sensor damage or wear from road debris or corrosion

Installation Notes and Tips

When installing the Standard Ignition ALS243 sensor, ensure the vehicle is securely lifted and the wheel assembly is accessible. Disconnect the battery before removal to prevent electrical issues. Carefully remove the old sensor and clean the mounting area to avoid contamination. Install the new sensor securely, verifying connector engagement and routing to prevent damage. After installation, clear any ABS codes and test drive to confirm proper system operation.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM standards, providing dependable performance for your Infiniti Pathfinder or Nissan QX4. The ALS243 ABS Wheel Speed Sensor undergoes rigorous quality control testing to ensure durability and accuracy. This part typically includes a limited warranty covering defects in materials and workmanship, offering added confidence in your purchase.