Chapin 6-4627 Sprayer Seal and Gasket KitSeal and Gasket Kit Fits model no. 1739, 1749, 2209, 1831, 1941, 1449, 6300, 1949, 1979Includes plunger cup, cup disc, washer, bottom valve (viton), two pump barrel gasketsIncludes: o- ring, cover gasket, o-ring...