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Eh*

I had given it to them but English no so good

I actually was given a thermostat for a 8.3 natural gas engine that's why it wouldn't fit. Have to love giving immigrants who can't speak English jobs...... Truck runs perfect now no more over heating

So my new m931a2 was getting hot on the highway so I figured it might need a new thermostat. Pulled everything apart and no thermostat was even there. Called cummins and orderd a new one using my engine serial number. Easy right ? Nope this ones way to big. Cummins swears it's the right one. The...