Part number 19-3553.
Related part number 18-3553.
Sierra Thermostat.
Replacement thermostat for use on some Mercury and Mariner outboards and some Mercruiser inboard/outdrive and Crusader inboard engines.
Replaces OEM part Mercury 75692 and OMC 0378065.
Please check the part numbers for your fitment needs. If you are unsure whether this part fits your model, please contact us with your serial number and we can help determine if it is right for your engine. Thanks for looking!!!
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Green Bay Prop offers the most used Stern Drive & Outboard parts in Wisconsin.
Theresa-3631