Standard Ignition ALS521 ABS Wheel Speed Sensor - Front

Reliable ABS Wheel Speed Sensor for Audi Models

The Standard Ignition ALS521 ABS Wheel Speed Sensor is designed to provide accurate wheel speed data for Audi vehicles. Compatible with Audi A6, A6 Quattro, RS4, S4, and S6 models, this sensor helps maintain proper ABS function and vehicle stability.

• Compatible with Audi A6, A6 Quattro, RS4, S4, and S6
• Standard Ignition quality and durability
• Part number ALS521 for precise identification
• Ensures accurate wheel speed data for ABS systems
• Direct replacement sensor for reliable performance

Product Details and Compatibility

The ALS521 ABS Wheel Speed Sensor from Standard Ignition is engineered to meet OEM specifications for select Audi models. This sensor monitors the rotational speed of the wheels and sends signals to the ABS control module, enabling effective anti-lock braking and traction control. Designed specifically for Audi A6, A6 Quattro, RS4, S4, and S6 vehicles, the ALS521 ensures proper fitment and function without modification.

Common Applications and Problem Resolution

• Restores ABS warning light functionality by providing accurate wheel speed data
• Eliminates erratic ABS or traction control behavior
• Prevents unintended ABS activation during braking
• Addresses wheel speed sensor failure codes in Audi A6 and S models
• Improves overall braking system responsiveness and safety

Installation Notes and Tips

Installation of the Standard Ignition ALS521 sensor requires basic mechanical skills and proper tools. Ensure the vehicle is securely lifted and the wheel removed to access the sensor mounting location. Clean the sensor mounting area before installation to avoid debris interference. Verify electrical connections are secure and free of corrosion. After installation, clear any ABS fault codes using a diagnostic tool to confirm proper sensor operation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The ALS521 ABS Wheel Speed Sensor undergoes rigorous quality control testing to ensure consistent operation. This part is backed by Standard Ignition's limited warranty, covering defects in material and workmanship under normal use.