OER Series Fuel Injector Line (Cylinders 4 and 5) 2001-2004 GM 6.6L Duramax LB7 XDP Xtreme Diesel Performance Duramax LML These main studs are manufactured

These main studs are manufactured in an ISO/TS 16949 quality control facility

and XD40128TC are a great add-on that will be critical during installation

Whether you're a technician or an enthusiast

and the flex in the front end of your truck

OER Series Fuel Injector Line (Cylinders 4 and 5) 2001-2004 GM 6.6L Duramax LB7 XDP Xtreme Diesel Performance Duramax LML These main studs are manufacturedThe XDP OER Series Fuel Injector Line (Cylinders 4 and 5) XD596 provide your 2001 2004 GM 6. 6L Duramax LB7 with high quality fuel lines. As time passes, factory injector lines can corrode and become a point of failure. Also, in order to avoid the risk of contamination, it is advisable to replace the fuel lines when replacing your fuel injectors. XDP high pressure fuel lines are OE style replacements that match the fit and function of your Duramax's