Water pump Impeller for Mercury / Mariner outboard 30 40 50 2stroke 47-850893
OEM part number used for reference only. 2-stroke :18 hp 20 hp, 25 hp, 30 hp, 40 hp & 50 hp. 40 hp 2 cyl 644cc 1994 + 1994-1998 sn OG053314. 40 HP 3 cyl 1997-1998 sn og531301 + / 9973100 +. 50 hp 3 cyl 1998 sn OG590000+ / 9973100 +.