18-3544 Thermostat Assembly for Johnson Evinrude | JLM Marine family-yamaha-250turs Thread the new plug in

Thread the new plug in by hand to avoid cross-threading

Note: This kit includes all necessary components to rebuild the water pump except for the housing

9 S/L/UL 9

58 inches) Outer Diameter 102-106mm (4

Test throttle response and check for fuel leaks before operation

18-3544 Thermostat Assembly for Johnson Evinrude | JLM Marine family-yamaha-250turs Thread the new plug inThermostat Assembly for Johnson Evinrude 90 175 HP 18 3544 This thermostat assembly is designed to fit Johnson Evinrude outboard engines from 90 to 175 HP, including both carbureted and Ficht fuel injected models with 60 degree V4 and V6 configurations. It is also compatible with select Mercury applications. Engineered for reliable temperature regulation, this component helps maintain optimal operating temperatures and prevent engine overheating.