Where is the thermostat located on a 2004 Nissan Frontier 6 cylinder engine?

On a 2004 Nissan Frontier with a 6-cylinder engine, the thermostat is located at the engine's front, where the upper radiator hose connects to the engine block. To access it, you typically need to remove the upper radiator hose and the housing that covers the thermostat. It's advisable to consult a repair manual for specific instructions or diagrams if you're planning to replace it.