Quicksilver thermostat 143 °F for Mercury and Mariner is an original cooling water thermostat for selected two-stroke outboard motors. The thermostat regulates the cooling water flow and helps the engine maintain the correct operating temperature.
The thermostat has a documented opening temperature of 143 °F, equivalent to approximately 61.7 °C, and features a self-cleaning design. It is supplied as the thermostat only, and a separate seal or gasket may be required depending on the installation.
The current official application covers selected Mercury and Mariner 135-200 hp V6 EFI and carburetor engines. Furthermore, there are documented older applications from 7.5 hp to V300/3.4L, but compatibility depends on the specific engine model and engine serial number. Therefore, always check the part number and serial number before ordering.
Quicksilver part number 75692 replaces the previously documented numbers 62981, 66850, and 75692B. The part is a single thermostat and should not be confused with the thermostat kits 75692Q2 or 75692T2.
Key featuresOriginal Quicksilver thermostat
Part number: 75692
Opening temperature: 143 °F / approx. 61.7 °C
Self-cleaning design
For selected Mercury and Mariner two-stroke outboard motors
Supplied as thermostat only
Gasket or seal may be required
Always check the engine serial number and part number before purchasing
