Quicksilver 60366Q1 Upper Water Pump Repair Kit for Mercury & Mariner 40-70hp 2-StrokeFits older, 40-70hp Mercury and Mariner 2-stroke outboards. See your owner?s manual for replacement schedule. See your service manual for installation instructions.Engine Part Application: Key Product Features Complete 7-piece upper water pump repair kit; Kit contains gaskets, o-ring, plates, impeller, key, and molded upper housing for easy installation with common tools; Designed for durability to provide higher flow rates and cooling flow to protect your engine; Engine Part Supersedes 60366A1;