This flexible hose fit is designed for use with Cummins K19, K38, K50, N14, and NT855 engines. It is a high-quality performance part that ensures optimal flexibility and durability. The unit is manufactured in China and comes with a manufacturer part number of 3632027, 3627711, and 3628422. The hose is suitable for use in a variety of applications, including fuel systems and auto performance parts. It is made from top-quality materials and is designed to withstand even the most demanding conditions. With this flexible hose fit, you can be sure that your engine is running at its best.