Shop LinesToGo for your 2000 GMC Sierra trucks. Our FL488-G6 set of fuel lines for your GMC Sierra for 2500 Exc. HD with an Ext Cab and 5.3L non flex fuel engines.

Fuel Line Set 2000 GMC Sierra 2500 Exc. HD Ext Cab 6.5ft Bed for 5.3L Non Flex Fuel engines.

Nylon Lines Between Fuel Lines and Fuel Tank:

Nylon lines between the fuel line and the fuel tank are not included. We do not make the nylon lines for this vehicle. However, you can purchase a nylon repair kit, 3069-01, which will attach to your existing nylon line providing a new connector for the supply and return lines to connect to.

Nylon Installation Instructions:

Step 1

Cut the new nylon hose in the same position as the original nylon hose.

Step 2

Cut the original nylon hose in the same position as the new nylon hose.

Step 3

Use the original nylon hose with connector and attach it with supplied union to the new nylon hose.