Product Overview
Shop LinesToGo for your 2003 GMC Sierra truck. Our FL488-H3D fuel line set are made for 1500 trucks with Regular Cabs and 5.3L engines.
Fuel Line Set 2003 GMC Sierra 1500 Reg Cab 6.5ft/8ft Bed 2WD & 4WD 5.3L Non Flex Fuel engines.
Location: Engine to Hose Connection off Fuel Tank
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.
OEM Part Number: 15765805
Included in Set: 1 supply line 3/8" ( in 2 easy to install sections), 1 return line 5/16" ( in 2 easy to install sections), 1 vapor line 5/16" ( in 2 easy to install sections), hoses to engine connection, hoses to join rear and front sections, 1 fuel filter
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: 39" x 11" x 7"
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