Standard Ignition ALS821 ABS Wheel Speed Sensor - Rear Right

Reliable ABS Wheel Speed Sensor for Subaru Impreza

The Standard Ignition ALS821 ABS Wheel Speed Sensor is designed specifically for Subaru Impreza models, providing accurate wheel speed data to your vehicle's anti-lock braking system. This sensor helps maintain vehicle stability and control during braking by monitoring wheel rotation.

• Compatible with Subaru Impreza models
• Part number ALS821 for precise identification
• Monitors wheel speed for ABS functionality
• Durable construction for long-lasting performance
• Direct replacement sensor for easy installation

Product Details and Functionality

The ALS821 ABS Wheel Speed Sensor from Standard Ignition is engineered to deliver reliable performance by accurately detecting the rotational speed of the wheels on Subaru Impreza vehicles. This sensor sends real-time data to the ABS control module, enabling the system to prevent wheel lockup during braking. Its design ensures compatibility with the vehicle’s existing wiring and mounting points, making it a direct fit replacement part.

Common Applications and Problem Resolution

• Restores proper ABS function on Subaru Impreza
• Eliminates ABS warning lights caused by faulty sensors
• Improves braking stability and vehicle control
• Prevents uneven brake wear due to sensor errors
• Addresses intermittent ABS system faults related to wheel speed detection

Installation Notes and Tips

• Ensure vehicle is securely lifted and supported before sensor replacement
• Disconnect the battery to prevent electrical shorts during installation
• Locate the existing ABS wheel speed sensor on the Subaru Impreza and disconnect the wiring harness
• Remove mounting bolts carefully to avoid damage to the sensor or wheel hub
• Install the Standard Ignition ALS821 sensor in the original position and reconnect wiring
• Clear any ABS fault codes with a diagnostic tool after installation

Quality Assurance and Warranty

Standard Ignition manufactures the ALS821 ABS Wheel Speed Sensor to meet or exceed OEM specifications for fit, form, and function. Each sensor undergoes rigorous testing to ensure reliable operation under various driving conditions. This part is backed by Standard Ignition’s limited warranty, providing coverage against defects in materials and workmanship for a specified period.