18-3531 - Thermostat Housing 861188A1

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Sierra Marine

18-3531 - THERMOSTAT HOUSING  Replaces: Mercury #861188A1 - Fits: MCM/MIE GM V-6 & V-8 305,350,454 & 502 cid engines with closed cooling systems

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Sierra Marine Thermostat Housing 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.