The Server Products 82013 Piston & Stem Assembly supports smooth and consistent operation in compatible dispensing equipment. This replacement assembly consists of a piston and stem that work together within the dispenser mechanism to control product movement and dispensing. When the dispenser is operated, the piston moves inside its housing while the connected stem transfers the moti... https://partsfe.ca/piston-stem-assy-for-server-products-part-82013