Quicksilver 8M0090819 Thermostat Assy

Mercury - Mercruiser 8M0090819 Thermostat Assy

The Quicksilver Thermostat Assembly 8M0090819 is designed for Mercury 75–115HP 2.1L EFI FourStroke outboards. This 120°F thermostat helps maintain proper engine operating temperature for reliable performance and fuel efficiency. Produced to Mercury Marine OEM specifications, it ensures precise fit, dependable function, and long-lasting durability. The thermostat is easy to replace using common tools, but always follow your owner’s or service manual for correct removal of a non-functioning thermostat and installation of the new unit. For best performance and protection, use only the thermostat temperature specified in your manual.

Genuine OEM Mercury-Mercruiser part.

• Fits Mercury 75–115HP 2.1L EFI FourStroke outboards
• 120°F thermostat for correct engine temperature control
• Made to Mercury Marine OEM specifications
• Easy installation with common tools
• Use only the thermostat temperature recommended in your owner’s manual
• Follow service manual instructions for safe removal and replacement

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