Sierra 18-3550 Thermostat for Mercury/Mercruiser Inboard/Outboard Marine Engines 59078 is ranked 47th in gaskets based on our comprehensive analysis.
Reviewed by more than 14 consumers, more than 100% of the reviews about this Sierra International gasket had positive sentiment, meaning that these customers would probably advise purchasing this product when asked about a recommended gasket.
$14.70 (as of 06/01/2019 08:23 PST details )Features: