The Siemens Straton Z tube is not interchangeable with all Siemens CT systems. The Straton Z tube is ONLY compatible with the Siemens Sensation 40 and Sensation 64 CT systems. See the list of compatible models for this part below. We conduct functional testing on all parts to ensure quality and minimize the risk of DOA. Plus, our Straton Z tubes come in a custom-built specialty crate to ensure secure delivery of the tube. If you have other questions or would like to discuss the issue your machine is having, Technical Prospects is available 24/7 to answer parts questions or discuss installation. Or, submit the form below and we’ll follow up with you. We’re here to help!