Description New Fuel Injector Lines Fits 2001-2004.5 GM 6.6L Duramax LB7 Buy just the line you need or the complete set Cylinder #1 or #8 : 7-005, 97188720 Cylinder #2 or #7 : 7-006, 97188723 Cylinder #3 or #6 : 7-007, 97188721 Cylinder #4 or #5 : 7-008, 97188722 New Fuel Injector Lines help restore proper operation of the fuel injection system by effectively cycling fuel through the injectors. Required replacement when changing injectors Manufactured from high-quality materials for durability Direct replacement for an Exact Fit
