The Kenworth Stainless Steel Upper Coolant Tube is a reliable and practical solution for Kenworth models with a Cummins engine. Made from durable 304 stainless steel, this tube is built to last. It fits most Kenworth models and is designed to replace OEM number F66-1405. Whether you're a truck owner or a mechanic, this coolant tube offers the perfect combination of quality and functionality. Trust in its construction and compatibility to keep your engine running smoothly.