I don't "know". Nope.
My guess is that it looks like a heat exchanger as it is connected to the coolant. But, it looks like it is connected to a fuel line from the fuel filter. If that is a diesel, could it be a fuel heater to keep it going when running is the winter. ???
jb
My guess is that it looks like a heat exchanger as it is connected to the coolant. But, it looks like it is connected to a fuel line from the fuel filter. If that is a diesel, could it be a fuel heater to keep it going when running is the winter. ???
jb