This is a new Replacement Solenoid for the Burkert Solenoid Valve for the Dentsply Cavitron 131, 132, 136 and 137 Solenoids Pictures may show mounting position in the machine.The auction only includes the solenoid, input and output connections, electrical connection and mounting plate.We also include 2 mounting bolts.Some will have a swivel elbow input connection and some a straight input connection.Pictures of both are shown. You cannot choose which you want, what you receive will depend on available stock.Both work equally well for the application. We have a listing for the Gen 124 and 121 model as well. This model will NOT fit in the 124 and 121 machines. It also has slightly different input and output hardware. We have manufactured a special mounting plate for the solenoid so it will fit in the Dentsply Cavitron Gen 131, 132 136 and 137 models without having to drill holes. The solenoid is manufactured in Japan. If you have any questions, send me a message. We can also fix your cavitron – 25 years experience. Shipping by USPS with tracking in the continental US We will be adding many more items for cavitron repairs soon, inquire by eBay messaging Michael & Marianneglobalhandpiece