BARR MC-29-62898 Replacement Mercruiser FORD upper thermostat housing cover. Mercruiser FORD engines, upper thermostat housing cover. Fits all Raw Water Cooled Mercriser FORD Sterndrive Engines. Models 188, 233, (302 cu.in and 351 cu.in.), engines, etc. Direct replacement for Mercruiser part # 62898A1.