Description Major repair kit for Sherwood raw water pumps; includes impeller, wear plate, cam, shaft seal (mechanical seal/seat), O‑ring, ball bearings, retaining rings, woodruff key, washer, cam screw and washer. Compatible with Sherwood pump models G1, G2, G15, G20, G21, G22‑01, G30‑2, G30‑2B, G95‑1, G9901, G9902, G9903, H10, J70, K75, K75B.