Mercury MerCruiser Front Mounted Closed Cooling Kit - 2014 & newer MCM 4.5L MPI - 8M0119309 MerCruiser-8-1L-MCM--MIE-2011 Give the connector a quick

Give the connector a quick wipe so the cap seats cleanly

This product has been superseded by: YF1-26275-52-90

A: Many boaters replace them annually

A Yamaha outboard thermostat helps regulate engine temperature by controlling cooling water flow through the engine as it warms up and operates

Mercury MerCruiser Front Mounted Closed Cooling Kit - 2014 & newer MCM 4.5L MPI - 8M0119309 MerCruiser-8-1L-MCM--MIE-2011 Give the connector a quickSome engine models will require a closed cooling kit, a belt kit, and a seawater pump kit. Other models will not require all these kits. A note indicates that there might be a different kit that is required to make the kits fit the engine on which the closed colling is being installed. Front mounted kit. Full closed system which also protects the dry joint exhaust manifolds from corrosion. 2014 & newer MerCruiser Marine 4. 5L Multi Port Fuel Injection