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. The hose is made of durable materials and features a sleek silver design that complements any engine bay. The unit quantity is one, and it is manufactured in China. The part number is 209957, and it is compatible with 204558. This hose fit is perfect for those looking to upgrade their fuel system and achieve better performance. It is suitable for use in cars, trucks, and other vehicles.