Shop LinesToGo for 2004 Avalanche fuel lines! 

Stainless Steel Fuel Line Set 2004 Chevrolet Avalanche 2500 for 8.1L engines.

Nylon Lines: We do not produce pre-formed nylon lines and they are not included with your fuel lines. However, repair kits are available which will attach to your existing nylon lines providing new connectors for the fuel supply and return lines. The original connections are often seized and damaged during install.

Repair Kit (Connection at Fuel Lines): This is usually required as the original fuel lines are being disconnected from the nylon during install.

6093-01 includes 1 Nylon Line 3/8", 1 Union, 1 Quick Connector 3/8"  90 Degree

Repair Kit (Connection at Sending Unit): This may only be required if you are replacing the sending unit.

3070-01 includes 2 Nylon Lines 3/8", 2 Unions 3/8", 2 Quick Connectors 3/8" 180° quick connectors