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Thermostats, Mechanical

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Sierra Marine Thermostats 18-3668

Thermostat Kit, Gasket, O-ring, Copper/Stainless Steel, 142 Degree, 1983 and up GM V6 and V8 engines with standard cooling, Kit

Part Number: RRA-18-3668

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026