This flexible hose fit is designed for use with Cummins engines K19, K38, K50, N14, and NT855. It is a high-quality performance part that ensures reliable and efficient operation of your engine. The hose is made from durable materials and is designed to withstand high temperatures and pressures. With its unit quantity of 1, this hose is perfect for those looking to upgrade their engine's fuel system. It is easy to install and use, and its manufacturer part number 3042005 ensures that you are getting a genuine product. Buy this flexible hose fit today and experience the benefits of a reliable and efficient fuel system for your Cummins engine.