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Fasten the bolts
318335 2 gasket sets required per engine V4 Crossflow 110 2-Stroke 1986–1989 318358
18 Mercury/Mariner WME-20
Reconnect the battery and test the engine with a water supply to confirm proper cooling system function
Outboard Thermostat – Fits Mercury Marine 6-15 HP Two-Stroke Outboards (Replaces 14586) 2.6HP Fasten the boltsProduct Details This is a replacement Outboard Thermostat designed for Mercury Marine 615 HP two stroke outboard engines manufactured between 1986 and 2005. It ensures your engine maintains the correct operating temperature for optimal performance and longevity. It also fits specific Johnson Evinrude four stroke engines that use the corresponding OEM part numbers. This component serves as a direct replacement for Mercury part numbers 14586, 14586A3,
