Up for sale is this new surplus stock York International Corp Retrofit Solution Pump Part # 326-37917-001. The pump is a Buffalo Refrigerant Pump made for York Refrigeration. This pump is new in box and still comes with sealed ends, and a set of gaskets. The pump its self is marked York Part number 026-37917-000. Be sure to take a look at the many pictures of the pump's tag for specs.