This injection line is specifically designed for 2001 - 2004 GM vehicles with the LB7 6.6L Duramax engine. It fits cylinders 4 and 5. The OEM part number is 97188722, and our part number is AP63722. It ensures a reliable fuel injection for your engine, enhancing its performance and efficiency.

To use this injection line, first make sure your vehicle is a 2001 - 2004 GM with the LB7 6.6L Duramax engine and that you're replacing the line for cylinders 4 and 5. Before installation, clean the area around the injection ports to prevent dirt from getting in. Carefully remove the old line and install the new one, making sure it's properly connected. When it comes to maintenance, regularly check for any signs of leaks or damage. If you notice any issues, replace the line as soon as possible. Keep it away from extreme heat and sharp objects to extend its lifespan.