This elbow hose coupling fit is designed for use with Cummins NT855 K19 K38 QSK models, and is manufactured in China. It is a crucial component for the proper functioning of your heavy equipment, and is sure to fit snugly and securely in place. With its durable construction and high-quality materials, this elbow hose coupling fit is built to last and will provide reliable performance for years to come. Whether you're in need of replacement parts or simply want to upgrade your equipment, this elbow hose coupling fit is an excellent choice.