As a Pioneer Pump Washington state approved distributer, Puget Sound Equipment Sales can offer you the mechanical seal kits you need. We can help you find the correct seal kit to match your pump model. For example, there are 25 potential mechanical seal kits, and say you have model 44S8. That would mean you'd the mechanical seal kit 372000108. Pioneer Pump also offers mechanical seal kits for upper vacuum and lower vacuum pumps, if that's what you need. To order your mechanical seal kits today, call 425-423-PUMP.