This high-quality reducing hose fits perfectly with Cummins Engine K19 K38 K50 N14 NT855. It is a reliable and durable unit that ensures optimal performance. The hose is designed to meet all the necessary specifications and is made of premium materials that provide long-lasting protection. Whether you are upgrading your fuel system or replacing a worn-out hose, this unit is a great choice. It is easy to install and provides a seamless connection to your engine. With its performance part design, this hose ensures that your engine runs smoothly and efficiently. Get this reducing hose today and experience the benefits of a reliable and high-quality fuel system.