This high - quality injection line kit from Fleece Performance is a perfect fit for 2004.5 - 2005 GMC/Chevrolet HD trucks with a 6.6L Duramax engine. It comes as a complete set of 8 direct - replacement high - pressure fuel lines. Ideal for replacing cracked, broken, or leaking injector lines. Part number: FPE - FL - DMAX - LLY - SET. It replaces several GM parts: GM Part# 97378825 (qty 2), GM Part# 97378828 (qty 2), GM Part# 97378826 (qty 2), and GM Part# 97378827 (qty 2).

Using this injection line kit is easy. First, make sure your vehicle is turned off and cooled down. Then, carefully remove the old, cracked or leaking injector lines. Replace them one by one with the lines from this kit. Ensure all connections are tight to prevent fuel leakage. When it comes to maintenance, check the lines regularly for any signs of damage or wear. If you notice any issues, replace the affected lines right away. Also, keep the lines clean to ensure optimal performance. And always follow your vehicle's maintenance schedule for the best results.