Johnson/Evinrude Water Pump Kit | Sierra 18-3383 Replacement water pump repair kit with housing for specified Johnson & Evinrude outboard motors. Sierra water pump kit with housing Kit contains Sierra 18-3051 impeller, 18-3363 housing, 18-3358 water pump cup, 18-3360 impeller housing gasket, 18-3329 grommet, 18-3133 stainless steel bolt Replaces Johnson Evinrude 395270 Replaces Mallory 9-48212