Shop LinesToGo for your 1991 GMC truck fuel lines. Our FL398-F2F fuel line set is perfect for any regular or extended cab with 4WD and a 5.7L engine.

Fuel Line Set 1991 GMC K Series 4WD 5.7L Reg Cab & Ext Cab

Location: Engine to Fuel Filter

Included in Set: 1 supply line 3/8" ( in 2 easy to install sections), 1 return lines 5/16" ( in 2 easy to install sections), hoses to join upper and lower sections, 1 union

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: 28" X 7" X 5"

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