This Duramax injector line kit is a must - have for 2001 - 2004 GMC/Chevrolet vehicles with LB7 6.6L Duramax engines. Fuel lines often rust because they're constantly exposed to the elements. That's why the OEM strongly suggests replacing them after removal. BD Diesel offers these zinc - plated, exact - fit fuel lines. They're a perfect stock replacement, resistant to corrosion, and easy to install. They replace OE#s - 97188720 (2), 97188721 (2), 97188722 (2), 97188723 (2). Key features include OEM quality, corrosion resistance, an exact fit that needs no adjustment from the end - user, and preforming to correct factory specifications. Part Number: 1050140.

Using this Duramax injector line kit is straightforward. First, make sure your vehicle is turned off and has cooled down. Then, remove the old fuel lines carefully. Replace them with the new lines from this kit. Since they are exact - fit, you won't need to make any adjustments. When handling, be gentle to avoid any damage to the zinc - plated coating. For maintenance, check the lines regularly for signs of rust or damage. If you notice any issues, replace the lines promptly. It's also a good idea to keep the engine area clean to prevent excessive dirt and moisture from affecting the fuel lines.