Wacker Pump Parts If you're looking for seal kits or parts for Wacker trash pumps, water pumps or diaphragm pumps, you've come to the right place. We offer many high quality OEM Wacker Neuson spare parts for PT2A, PT3A, PG series water pumps and PDT3 diaphragm pumps, including mechanical seals, O rings, impellers, casings, diaphragms, flapper valves, engine parts and more. We also stock parts for larger 6" trash pumps, like the PT6LT. If you need a spare part shipped Next Day Air, please give us a call. Our staff can assist you, if you need help locating the parts diagram for your machine. We will need the model and serial # of the unit. If you can't find the serial #, try to locate the item and revision #'s. Parts manuals and repair manuals for Wacker pumps may be downloaded at www.wackerneuson.com