Fastens rear boot lid tightly during driving, avoids accidental bounce of luggage compartment on bumpy roads. 6397401635 For Vito W639 Rear Side Liftgate Tailgate Trunk Lock Actuator Tight locking performance stops the trunk from loosening, bringing you safer driving experience. Made of sturdy metal and plastic, it is reliable, durable, and stable. Function performance: Works well with central lock system, solves trunk fail to open or lock issues, Manufacturer: ATGCBCAUF