The Fuel Drain Tube is a crucial component of fuel system. This tube is responsible for draining excess fuel or water from the fuel filter housing. It is typically made of durable materials such as steel or plastic to withstand exposure to harsh fuels and chemicals. A damaged or clogged Fuel Drain Tube can cause decreased engine performance, increased emissions, and potential damage to other parts of the fuel system. Regular inspection and maintenance of this component is recommended to ensure optimal truck performance and prevent costly repairs in the future.