This is temperature regulator 219-3240 or thermostat for Caterpillar 3500 B series diesel engine likewise CAT 3508B, 3512B and 3516B auxiliary water pump and aftercooler cooling system. As per fresh pictures of winter season it is in closed position and definitely as per change in ambient temperature or above 21 celcius it will be in opened position by default and can be installed in same position. We also provide professional services regarding all Caterpillar, Cummins and Perkins engine.
Caterpillar Regulator 3500 diesel 70'F / 21'C operated
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