This threaded plug fit Cummins engine K19 K38 K50 N14 NT855 is a top-quality product that is sure to meet your needs. With its reliable construction and high-quality materials, this unit is built to last and will provide you with consistent performance for years to come. Designed for use with commercial truck parts, this threaded plug fit is compatible with a variety of different engines and components. It is easy to install and use, and will provide you with a secure and reliable connection. So why wait? Add this threaded plug fit to your collection today and experience the benefits of a top-quality product that is built to last!