Sierra 18-3403 Water Pump Repair Kit w/o Housing

Replaces OEM part #OMC 388644Contains:(1) 18-7158 O-Ring - replaces O.E.#310585(1) 18-3108 Key - replaces O.E.#308928(1) 18-2703 Grommet - replaces O.E.#314008(4) 18-3135 Screw - replaces O.E.#306643(1) 18-2026 Seal - replaces O.E.#321453(1) 18-3136 Housing Screw - replaces O.E.#323626(1) 18-3043 Impeller - replaces O.E.#389642(1) 18-3346 Cup & Plate Assembly - replaces O.E.#435027(1) 18-2536 Gasket - replaces O.E.#321120(1) 18-2704 Grommet - replaces O.E.#320943Applies for Johnson/Evinrude engines