Dorman 917-538 ABS Wheel Speed Sensor Tone Ring - Front Left or Front Right

Overview of Dorman ABS Wheel Speed Sensor Tone Ring 917-538

The Dorman ABS Wheel Speed Sensor Tone Ring 917-538 is engineered for precise wheel speed detection in select Audi models. Designed with durable steel construction, this tone ring ensures reliable ABS system performance for Audi A6 Quattro, A8, A8 Quattro, and S8 vehicles.

• Constructed from high-quality steel for durability
• Inside diameter measures 3.03 inches for accurate fitment
• Outside diameter of 3.19 inches ensures proper sensor alignment
• Features 45 teeth for precise wheel speed signal generation
• Width of 0.43 inches designed to meet OEM specifications
• Sold as a single ABS tone ring; two required per vehicle

Detailed Product Description

The Dorman 917-538 ABS Wheel Speed Sensor Tone Ring is a critical component in the anti-lock braking system of compatible Audi vehicles. Manufactured from steel, it offers resistance to wear and corrosion, maintaining consistent performance over time. The tone ring’s 45-tooth design works in conjunction with the wheel speed sensor to provide accurate rotational data to the ABS control module. With an inside diameter of 3.03 inches and an outside diameter of 3.19 inches, this part fits precisely on the wheel hub assembly of Audi A6 Quattro, A8, A8 Quattro, and S8 models. The 0.43-inch width ensures proper engagement with the sensor, preventing signal loss or errors.

Common Applications and Problem Resolution

• Restores accurate wheel speed readings for ABS functionality
• Eliminates ABS warning lights caused by damaged or worn tone rings
• Prevents erratic braking behavior due to faulty sensor signals
• Addresses issues with traction control and stability systems linked to wheel speed data
• Replaces corroded or physically damaged tone rings to maintain safety systems

Installation Notes and Tips

• Ensure the vehicle is securely lifted and supported before installation
• Remove the wheel and brake components to access the tone ring
• Inspect the wheel speed sensor for damage and clean sensor mounting surfaces
• Install the Dorman 917-538 tone ring carefully to avoid tooth damage
• Verify sensor alignment and test ABS system functionality after installation

Quality Assurance and Warranty Information

Dorman manufactures the 917-538 ABS Wheel Speed Sensor Tone Ring to meet or exceed OEM standards for fit, form, and function. The steel construction provides long-lasting durability under normal operating conditions. This part is backed by Dorman’s limited warranty, covering defects in material and workmanship to ensure reliable performance in Audi A6 Quattro, A8, A8 Quattro, and S8 vehicles.