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Description
Fits MCM GM in-line 4 and 6 cylinder engines (1998 and older).Contains (1) 18-2831 Thermostat Cover Gasket and (1) 18-3550 Thermostat.Interchangeable with GLM 13370, Mallory 9-43153, and Mercruiser Stern Drive 59078T3.Temperature Rating: 140° F.Each Sierra product meets or exceeds the original equipment part it replaces