This Cummins N14 diesel engine thermostat housing is a genuine OEM part, made by the trusted brand Cummins. It is designed to fit perfectly into your engine cooling system, ensuring optimal performance. The part number 3411371 is easy to identify and ensures that you are getting the exact part you need for your engine. Like new never installed. Please verify correct part needed before purchasing, housing only no gaskets. Has seals already inside.