We have various testing machines to ensure our products are designed accurately and made with high-quality materials. Manufactured according to quality control standards, not easy to damage, long service life. Stable performance, high reliability, perfect replacement for your old products. Applicable for W220. Due to different batches, the product appearance may be slightly different, but it does not affect the use. Color: Silver Material: Aluminum Package Contents: 1 x Vacuum Pump Control Motor 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 to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm.