Flight Diesel HP Fuel Line for Chevy/GMC (2001-04) 6.6L LB7 Diesel (Cylinder 3 or 6)

Flight Diesel HP Fuel Line for Chevy/GMC 6.6L LB7 Diesel (Cylinder 3 or 6) This is a brand new Injection Fuel Line for 2001-2004 GM LB7 Duramax Diesels. The fuel lines on the engine are often contaminated with rust and debris, and is recommended the fuel lines are to be changed when replacing injectors. •New Injector Fuel Line •Fits Cylinders 3 or 6 •Sold individually •Recommended to replace when installing new injectors