Shop LinesToGo for your 1999 GMC Suburban fuel lines. Our FL397-B8F set of fuel lines are perfect for both K1500/2500 models with 6.5L engine and diesel fuel tank.

Location: Engine to Lift Pump

OEM Part Number: 15721518, 15721519

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"

We want to hear from you! Call us toll free 1-855-781-5992. We'll make sure you're ordering the correct part and we can take your order for you too. Go on give us a call.