This male union fit is designed for use with Cummins engines K19, K38, K50, N14, and NT855. It is a high-quality product that is manufactured in China and comes with a manufacturer part number of 3036866. The unit type is a unit and the country/region of manufacture is China. This item is perfect for those who are looking for a male union fit for their Cummins engine. It is a reliable and durable product that will fit perfectly with the aforementioned engines.