This high pressure fuel line is designed for use with 2001-2004 6.6L LB7 Duramax engines. It connects the CP3 pump to the fuel rail and is compatible with diesel fuel. The line comes with all necessary parts and is made by General Motors, a trusted manufacturer in the automotive industry. Its part number is 97188728 and it is an OE/OEM part. This fuel line is a great addition to any truck in need of a replacement or upgrade.