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This replacement Thermostat – Fits Yamaha 150-200HP 4-Stroke Outboards is engineered to regulate engine temperature for optimal performance
This package contains two gaskets
This kit directly replaces OMC part numbers 911826
This is an aftermarket part designed to meet or exceed OEM specifications
Disconnect the battery and remove the engine cover before starting
Water Pump Kit with Housing – Fits Mercury/Mariner/Tohatsu 9.9-20 HP EFI (Replaces 8M0137849, 8M0135821) 20HP This replacement Thermostat – FitsProduct Details This complete Water Pump Kit with Housing Fits Mercury Mariner Tohatsu 9. 9 20 HP EFI (Replaces 8M0137849, 8M0135821) provides everything needed for a full service of your lower unit's cooling system. It is designed for Mercury Mariner 9. 920 HP 4 Stroke EFI outboards (2013 and newer) and Tohatsu Nissan MFS15E MFS20E 4 Stroke models. This kit is a direct replacement for Mercury part numbers 8M0137849, 98 8M0135821, 8M0134484, 46
