18-3677 - Thermostat Kit

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Part Number

Sierra Marine

Replaces OEM 3853983.

18-3677 THERMOSTAT KIT 160°  Replaces: OMC 3856961

Part # O.E.# Desc.
18-7170 3852071 O-Ring
18-2917 3852111 Thermostat Gasket
— 3856961 Thermostat

Note: Also see the 18-3653.  Kit 18-3653 contains the same parts as the 18-3677 plus some additional items and is often a better price.

Warranty (PDF)
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Sierra Marine Thermostat Kit is equivalent to parts:

Sierra Marine is the market leader for aftermarket marine engine parts. Sierra products cover every major engine brand. Sierra offers a comprehensive product line and an unsurpassed customer satisfaction warranty covering parts and labor.