Quicksilver 8M6010304 143 Thermostat - Fits Select Evinrude/Johnson/OMC 60-70hp OutboardsQuicksilver thermostat 8M6010304 is for use on select 60-70hp Evinrude, Johnson, OMC 2-stroke outboards. This single piece, Vernatherm style, 143F Quicksilver thermostat is designed to meet all OEM specifications. See your owner's or service manual for specific application and installation information. Hardware, gaskets or seals for installation sold separately This Quicksilver thermostat replaces the following OEM part number: 436195. Also can be found in the aftermarket as 18-3561.Engine Part Application:For use on select 60 hp through 70 hp Evinrude, Johnson, OMC 2-cycle outboards.