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Quicksilver 8M0090819 Thermostat Assembly 120°, Mercury, 75-115hp 2.1L

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$89.99

$ 43 .99 $43.99

In Stock
  • 120°F thermostat
  • Use only the temperature thermostat listed in your owner's manual or service manual
  • For use on 75-115hp 2.1L EFI FourStroke outboards
  • Easy to replace with common tools
  • See your owner's or service manual for removal of non-functioning thermostat and replacement of new thermostat
  • Produced to meet Mercury Marine original equipment manufacturer specifications to maximize the performance of your Mercury and Mariner outboard or MerCruiser sterndrive


Quicksilver 8M0090819 Thermostat Assembly 120° fits Mercury outboards 75-115hp 2.1L. The Quicksilver brand is the leader in delivering uncompromising engine oils, parts and accessories to the marine industry for over 65 years. Quicksilver is the premier supplier of Mercury Marine Original Equipment replacement engine parts, oils, and accessories, but also works to serve all Original Equipment brands in the marine and powersports industries. It has earned a loyal following by providing the highest quality products that are tested through some of the most rigorous environments and testing procedures. No aftermarket company comes close to the level of research and design as Quicksilver; buying Quicksilver is buying performance, protection and peace of mind.


Todd Self
Reviewed in the United States on October 22, 2024
If you boat stops cooling with the water, it could be your impeller or this water pump. Since this was the easier fix, I went this route and was lucky enough to correct the problem. This assembly was a direct replacement for the OEM part and worked like a champ.
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