321693 OMC THERMOSTAAT BLOK V-4

Original equipment thermostat block housing for OMC Johnson/Evinrude V-4 and V-6 outboard engines. Part 321693 (OEM interchange number 13145G) is the main thermostat cavity and body component for V-4 powertrain cooling systems. Genuine factory component for thermal bypass and coolant flow control on V-4 and V-6 displacement engines. Essential replacement part when servicing or rebuilding engine cooling systems on Johnson/Evinrude V-4 and V-6 outboards; availability through marine parts retailers specializing in original OEM components.