Choose from 2009 TopKick C6500/75000/8500 fuel lines to fit your GMC without a problem...

Intermediate Fuel Line Set 2009 GMC Topkick C6500/7500/8500 w/RPO Code NNQ w/Dual 53 Gal Saddle Tanks w/ Engine Code L18 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.

3069-01 includes 1 - 3/8” Nylon Line, 1 - 5/16” Nylon Line, 180° quick connectors

3071-01 includes 1 - 3/8” Nylon Line, 1 - 5/16” Nylon Line, 90° quick connectors

6093-01 includes 1 - 3/8” Nylon Line, 1 union, 1 - 90 degree quick connector 3/8"

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

3069-01 includes 1 - 3/8” Nylon Line, 1 - 5/16” Nylon Line, 180° quick connectors