140 Degree Sierra Marine Thermostat for Mercruiser Stern Drive , white 18-3550

More about this item : 140 Degree Sierra Marine Thermostat for Mercruiser Stern Drive , white 18-3550

Sierra 18-3550 Thermostat for Mercury/Mercruiser Inboard/Outboard Marine Engines.

It replaces Mercury 59078 and GLM 13020.

Temperature rating is 140 degrees.

Fits: 120 GM, 1982 to 1983 (Serial Range 5192049 THRU 6229717); 120 GM, 1983 to 1989 (Serial Range 6229718 THRU 0B531853); 140 GM, 1982 to 1983 (Serial Range 5157669 THRU 6229717); 140 GM, 1983 to 1989 (Serial Range 6229718 THRU 0B450800); 165 GM 250 I/L6, 1975 to 1978 (Serial Range 2770032 THRU 5178958); 2.5L GM, 1983 to 1989 (Serial Range 0B531854 THRU 0C856558); 3.0L GM, 1983 to 1989 (Serial Range 0B450801 THRU 0C856558); 3.0L GM, 1990 to 1995 (Serial Range 0C856559 THRU 0F353099); 3.0L GM, 1996 to 1998 (Serial Range 0L010042 THRU 0L096999); 3.0L GM, 1998 (Serial Range 0L097000 THRU 0W301999); 3.0LX GM, 1990 to 1995 (Serial Range 0C856559 THRU 0F603999); 3.0LX GM, 1997 to 1998 (Serial Range 0F604000 THRU 0K999999); 3.0LX GM 181 I/L, 1996 (Serial Range 0F604000 THRU 0K999999).