Shop LinesToGo for your 2003 GMC Sierra truck. Our FL488-HX2B fuel line set are made for C/K 1500 trucks with regular cabs and L59 5.3L engines.

Fuel Line Set 03 Silverado/Sierra C/K Series 1500 Reg Cab 6.5 ft & 8 ft box 2WD & 4WD Return Type Fuel System 5.3L Flex Fuel

Location: Engine to Hose Connection off Fuel Tank

OEM Part Number: 15173333

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, hoses to engine connection, 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: 38" x 12" x 7"

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