Quicksilver thermostat 62 °C for Mercury 1.5 L DFI/Optimax is an original cooling system thermostat for compatible 3-cylinder Mercury outboard motors. The thermostat regulates the cooling water temperature and opens at 143 °F, corresponding to approximately 62 °C.
This spare part is used on selected Mercury 75, 80 Jet, 90, 115, and 125 hp engines as well as the 115 Pro XS with a 1.5-liter 3-cylinder DFI/Optimax engine. Compatibility depends on the engine model and serial number, which should therefore always be checked before ordering.
The Quicksilver spare part number is 833072004, and the thermostat replaces the previous OEM number 833072002. The delivery includes one thermostat without a gasket.
Key featuresOriginal Quicksilver spare part
Spare part number: 833072004
Opening temperature: 143 °F / approx. 62 °C
For Mercury 1.5 L 3-cylinder DFI/Optimax engines
Validated for 75, 80 Jet, 90, 115, and 125 hp as well as 115 Pro XS
Replaces OEM number 833072002
Supplied as thermostat only
Gasket not included
Always check engine model, serial number, and spare part number before purchase
