Features & Benefits:For pump models 81685, 81941, 81985, 82050, 82054, 82716, 83121, 83513; Lincoln 83054 Pump Repair Kit for pump models 81685, 81941,81985, 82050, 82054, 82716, 83121, 83513. Includes 11340 Air Piston Rod, 11472Trip Rod Pin, 11702 Check Washer, 11721 Priming Check, 11723 Plunger Rod, 11724Priming plunger, 11725 Priming check seat, 11726, check seat, 30003 Packing nutgasket, 30011 Valve cap gasket, 31047 check seat gasket, 31048 connectorgasket, 31050 gland gasket, 31054 pump tube gasket, 33014 air cylinder gasket,33039 Gasket, 34110 Plunger packing, 34158 cover gasket, 34180 gland packing,34368 O-ring, 34572 O-ring, priming check packing, 38162 slide valve gasket,38165 U-cup packing, 56038 spring, 66010 Ball, 236616 packing washer, 236835trip rod packing