This flexible hose fits Cummins engines K19, K38, K50, N14, and NT855. It is a high-quality performance part that ensures optimum fuel system functionality. The hose is manufactured in China and comes with the manufacturer part number 3086021. It is sold in a unit quantity of one and is suitable for use with various types of hoses, lines, and fittings. The hose is a perfect fit for those looking to upgrade their fuel system performance. It is compatible with different units types and manufacturers, making it a versatile product for all. Get this flexible hose today and experience the best in fuel system functionality.