Part number 18-2843.
Replaces OEM Mercury Marine 27-74830.
Sierra Gasket | Thermostat Housing to Reservoir
This set of two gaskets is for use on some, not all, Mercruiser 470 stern drive engines from 1976-1982.
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!
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