This fuel drain tube with part number 3978036 is designed to fit Cummins engines. It is a high-quality pipe made in China that is used in the engine compartment for fuel delivery. The tube is ideal for use in various models of cars and trucks, making it an important part of any automobile. The tube is made by a leading manufacturer and is an OE/OEM part that guarantees high performance. It is suitable for use in Cummins engines and is designed to last for years without any issues. This pipe is one of the essential components of the fuel delivery system and is a must-have for any vehicle owner who values quality and reliability.