Shop LinesToGo for your 2003 GMC Sierra truck. Our SS488-E2E set is ideal for any C/K 1500 regular cab truck with a 4.3L engine. Stainless Steel Set.

Fuel Line Set 2003 Sierra C/K Series 1500 Reg Cab 6.5 ft & 8 ft box 2WD & 4WD 4.3L

Location: Engine to Hose Connection off Fuel Tank

Installation Video:

Removal and Installation of SS488-E

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: 15765806

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 join rear and front sections, 1 fuel filter

Tube Construction: Lines are constructed from Stainless 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: 38" x 12" x 7"

Click Here for Installation Instructions

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