1Vehicle Fitment: Fit for A6 allroad qu. (2000 ? 2005); Fit for A6 allroad (2000 ? 2005); Please confirm whether your model is applicable. 2OE Replacement: The part numbers of headlight level sensor are 4Z7941285C and 4Z7941286C, making it a reliable replacement for the original equipment on your vehicle. 3Improved Safety and Stability: The height level sensor helps level your vehicle and maintain proper ride height while driving, improving drive safety and stability on the road. 4Easy Installation: The headlight level sensor is easy to install and does not require any specialized tools, no complicated operations, convenient for using. 5Long Service Life: The headlamp level sensor is designed to last, with quality construction and materials that ensure long lasting performance and reliable operation.