Siemens part 3146540 is the Neck Array Cpl. 047. This MRI part is for use with Siemens MRI systems, specifically the Magnetom Symphony model. If you have any concerns regarding this part, or any parts for your Siemens medical imaging equipment, contact our parts team today. We can help you find the correct part and get it delivered ASAP. Plus, we offer technical support around the clock every day of the year to assist with any medical imaging issues you run into.