Thermostat 10, 15, 20HP EFI
Thermostat 10, 15, 20HP EFI Product is not in our warehouse, after purchase we will inform you about the delivery date.
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Upgrade your Mercury outboard motor with this OEM Thermostat for 10, 15, and 20HP EFI models. Designed to regulate the flow of cooling water, this thermostat replacement prevents motor malfunctions and includes a necessary gasket.
Compatible with all 10/15/20 HP EFI models with serial number 0R833820 or higher.