Facet 21.2047 ABS Wheel Speed Sensor - Front Left or Front Right

Reliable ABS Wheel Speed Sensor for Audi A4 and S4 Models

The Facet 21.2047 ABS Wheel Speed Sensor is designed to provide accurate wheel speed data for Audi vehicles including the A4, A4 Quattro, RS4, and S4. Engineered with precise specifications, this sensor ensures proper ABS function and vehicle stability.

• Cable length: 1017 mm for optimal routing and fitment
• Sensor length: 28 mm for compact and secure installation
• Resistance type: Hall effect sensor technology for reliable signal output
• Compatible with Audi A4, A4 Quattro, RS4, and S4 models
• Part number: 21.2047 for exact replacement and identification

Technical Details and Sensor Attributes

The Facet 21.2047 ABS Wheel Speed Sensor features a 1017 mm cable length, allowing for flexible installation within the wheel assembly area. The sensor itself measures 28 mm in length, making it suitable for tight spaces without compromising performance. Utilizing Hall effect technology, this sensor provides consistent resistance between terminals, ensuring accurate wheel speed readings essential for the ABS system to function correctly.

Compatible Audi Models and Applications

This ABS wheel speed sensor is compatible with several Audi models, specifically the A4, A4 Quattro, RS4, and S4. It is designed to replace the original equipment sensor, maintaining the integrity of the vehicle’s anti-lock braking system and traction control. Using the correct sensor like the Facet 21.2047 helps prevent ABS warning lights and improves overall braking safety.

• Prevents ABS warning light activation due to faulty sensor signals
• Maintains accurate wheel speed data for traction and stability control
• Reduces risk of uneven braking or wheel lock-up
• Supports proper function of electronic brake force distribution
• Helps avoid diagnostic trouble codes related to wheel speed sensor faults

Installation Notes and Tips

When installing the Facet 21.2047 ABS Wheel Speed Sensor on Audi A4 or S4 models, ensure the sensor and cable are routed without sharp bends or pinching. Verify the connector terminals are clean and secure to prevent signal loss. It is recommended to inspect the sensor mounting area for debris or corrosion before installation. Proper torque specifications should be followed to avoid sensor damage.

Quality Assurance and Warranty Information

Facet manufactures the 21.2047 ABS Wheel Speed Sensor to meet OEM standards for fit, form, and function. The sensor undergoes rigorous testing to ensure durability and reliable performance under various driving conditions. While specific warranty details may vary, Facet products typically include a limited warranty covering defects in materials and workmanship.