26-30913 seal, drive shaft KF5, Mark 5,Mark 6 was 26-22736

10-20261 - Vent screw new # 10-28653 stainless steel with gasket

$ 2.95

18-2624 - Lower unit seal kit 9.9 & 15hp 4 stroke (Big Foot) G760300 & up, Magnum/Marathon 15XD/Super 15 all, 18 & 20 hp, 25hp, 25hp 3 cyl. Lightning

$ 58.65

Mercury lower unit seal kit KF5, Mark 5, Mark 6

$ 49.10

18-2697-1 - Lower unit seal kit Mercury Mariner 6hp, 8hp, 9.9hp, and 15hp with sn A197112 & up

$ 39.90