Compatibility: Perfectly fits for models A4, A5, A8, Q5, S4, S5, S6, and RS4, ensuring a precise match and hassle-free installation. Part number: 8E1998317A Enhanced Steering Response: Improves the steering response and stability of your vehicle, providing a smoother and driving experience. Construction: Manufactured with high-quality materials to withstand rigorous use and extend service life. Easy Installation: Designed for a direct fit, allowing for quick and easy installation without the need for modifications. Color: Gray Material: plastic Package Contents: 1 x Steering electromagnetic valve Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.