HomeHPLC Replacement PartsPump Seals, Low PressurePump Seals, Low Pressure Pump Seals, Low Pressure Add to quote This product is already in your quote request list. Browse the list Description Description Reference WB140 OEM Part 09907339 Models: 200 Series, 1, 2, 3, 3B, 4, 10, 250, 400, 410, 620, Int. 4000