This high-quality thermostat is designed to fit perfectly with Cummins engines KTA19, KTA38, KTA50, and NT855. It is made by a reliable manufacturer with OE/OEM part number 3629205 and is manufactured in China. This item is ideal for those looking to upgrade their engine cooling components and ensure optimal performance. It is compatible with a variety of car and truck parts and accessories, making it a versatile addition to any garage or workshop.