OEM MerCruiser thermostat kit 991551T1 includes 160°F thermostat and necessary gaskets / seals for replacement.
Thermostat kit 991551T1 is for 1998 and newer MerCruiser marinized V-6 and V-8 engines made by General Motors using closed cooling systems and requiring the use of the 160 F degree thermostat. The kit includes the thermostat and seal.
OEM MerCruiser thermostat kit 991551T1 includes 160°F thermostat and necessary gaskets / seals for replacement.
Thermostat kit 991551T1 is for 1998 and newer MerCruiser marinized V-6 and V-8 engines made by General Motors using closed cooling systems and requiring the use of the 160 F degree thermostat. The kit includes the thermostat and seal.