This O Ring Adapter is designed to fit Cummins Engine K19 K38 K50 N14 NT855. It is a high-quality product that is perfect for those who are looking for a replacement part for their engine. The adapter is made from durable materials and is manufactured in China. It is sold as a unit and comes with a manufacturer part number of 3080401. The adapter is compatible with other engines and components, making it a versatile product for those who need it. It is perfect for those who are looking for a reliable replacement part for their Cummins engine.