Quicksilver 99155T-1 V6/V8 GM 160 Thermostat Kit

Mercury-MerCruiser 991551T1 160F Thermostat KitThe Mercury-MerCruiser 991551T1 Thermostat Kit is designed for 1998 and newer MerCruiser marinized V6 and V8 engines made by General Motors that use closed cooling systems and require a 160F thermostat. This kit includes the thermostat and seal needed for replacement during cooling system service.A properly functioning thermostat helps regulate engine operating temperature and supports reliable cooling system performance. Replacing a worn, stuck, or non-functioning thermostat can help restore proper temperature control in compatible MerCruiser applications.Product Features:160F thermostat kit for compatible MerCruiser applicationsDesigned for 1998 and newer GM V6 and V8 MerCruiser marinized enginesFor engines using closed cooling systems that require a 160F thermostatIncludes thermostat and sealCan be replaced with common toolsManufactured to Mercury Marine OEM specificationsProduct Details:Brand: Mercury / MerCruiserManufacturer Part Number: 991551T1Part Type: Thermostat KitTemperature Rating: 160FCooling System Type: Closed coolingEngine Application: 1998 and newer GM V6 and V8 MerCruiser marinized enginesIncludes: Thermostat and sealInstallation Note: Refer to your owners manual or service manual for removal of the non-functioning thermostat and installation of the replacement thermostat.Fitment Note: This thermostat kit is for compatible MerCruiser GM V6 and V8 engines with closed cooling systems requiring a 160F thermostat. Please verify fitment by engine serial number, cooling system type, parts diagram, or existing part number before purchasing.