Shop LinesToGo for your 2001 GMC Sierra trucks. Our FL888-G8A set of fuel lines are designed with your 2500 Exc HD with an extended cab and a 6.0L engine.

Fuel Line Set 01 Sierra 2500 Exc. HD Ext Cab 6.5ft box 2WD & 4WD 6.0L

Location: Engine to Hose Connection off Fuel Tank

Installation Video:

Removal and Installation of FL888-G

Please Note: Original equipment Silverado/ Sierra front fuel line sections can be difficult to install from the engine connections down to the frame rail. These LinesToGo 888 Series come with front flexible stainless steel braided Teflon hoses, making a difficult and time consuming job, a whole lot easier and faster. Routing clips and hardware included.

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:

OEM Part Number: 15765803

Included in Set: 1 supply hose 3/8" (Stainless Steel Braided Teflon Flexible Lines for easy installation), 1 supply line 3/8", 1 return hose 5/16" (Stainless Steel Braided Teflon Flexible Lines for easy installation),1 return line 5/16", 1 vapor hose 5/16" (Stainless Steel Braided Teflon Flexible Lines for easy installation),1 vapor line 5/16", 1 fuel filter, 3 clamps, 3 bolts, 3 nuts

Tube Construction: Lines are constructed from Galfan® coated  steel tubing for rust protection with original equipment end forms and fittings and are CNC (Computer Numerically Controlled) bent for an easy precise installation.

Hose Construction: All hoses are made from Stainless Steel Braided Teflon with OE style fittings

Warranty: 1 Year

Box Dimensions: 59" x 12" x 7"

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