This high-quality DEF fluid supply hose is designed to fit seamlessly into your diesel exhaust fluid system. Made from durable materials, it provides reliable performance and long-lasting use. It is specifically designed for use with the 4078923C1 model, ensuring a perfect fit every time. This hose is an essential component of your exhaust and emission system, providing crucial support to keep your vehicle running smoothly. With its sturdy construction and reliable design, it is the perfect choice for anyone in need of a reliable DEF fluid supply hose. So if you're looking for a top-quality replacement for your diesel exhaust system, look no further than this DEF fluid supply hose. No warranty!!