HomeHPLC Replacement PartsBlack Piston Seals, 2/pkBlack Piston Seals, 2/pk Black Piston Seals, 2/pk Add to quote This product is already in your quote request list. Browse the list Description Description Reference WB098 OEM Part 5063-6589 Models: 1050, 1100, 1120 1200, 1220, 1260