Sierra 18-3550 Thermostat-MerCruiser 140 Degrees-MerCruiser ADDRUBR3 Quicksilver impeller elastomers provide improved

Quicksilver impeller elastomers provide improved flexibility across broad temperature ranges throughout the boating season

providing superior resistance against the harsh marine elements

Typically the fish box in not only used for storing the day's catch but very often is used as acooler for supplies

Use with Sierra #18-2190 Cable

Side Mount Flagpole is easily removed for storage

Sierra 18-3550 Thermostat-MerCruiser 140 Degrees-MerCruiser ADDRUBR3 Quicksilver impeller elastomers provide improvedUsed on raw water cooled engines. Replaces Mercruiser #59078. Used on Models: 120 1964 to 1986 140 1968 to 1986 165 1970 to 1981 2. 5L 1987 to 1989 3. 0L 1987 to 1994 3. 0L 1998 3. 0LX 1990 to 1997