Sierra Marine Thermostat - 143 Degree Fahrenheit; Fits Mercury Marine Engines - 183553 Weight_1.15 lb. Compatibility: Came off of a

Compatibility: Came off of a 2004 Regal Prowler 300BH- unknown if it will fit other makes &/ models

Lasts 30 times longer than the G4 it replaces (60

We have injection molding capabilities as well as expertise in wire harnesses and general assembly

* Fits in tight spaces

Sierra Marine Thermostat - 143 Degree Fahrenheit; Fits Mercury Marine Engines - 183553 Weight_1.15 lb. Compatibility: Came off of aSierra Marine Thermostat 143 Degree Fahrenheit; Fits Mercury Marine Engines Sierra Marine 183553 Sierra Marine products are engineered to surpass todays high horsepower engine demands and stand up to the harsh marine environment. All marine products both meet or exceed the original equipment part it replaces. Sierra Marine are the leading supplier of marine engine and drive parts with over 50 year in business, offering 1,000s of parts. Attributes