Shop LinesToGo for 2003 GMC truck fuel lines - C4500/5500 TopKick for Reg, Crew and Cutaway Cab & Chassis WBs w/Rear Mounted 60 Gal or 80 Gal Tank Only w/RPO Codes ANC, ANX or B3D w/6.6L Duramax Diesel Engine.

Location: Connections at Rear of Intermediate Fuel Lines to Connections at Rear Fuel Tank

Please Note: This application is for vehicles with RPO Code JPR (w/Forward Mounted Tank) – If unsure, please call us with your VIN to ensure proper fitment.

OEM Part Numbers: 25893269

Included in Set: 1 supply line 1/2", 1 return line 3/8", hoses to intermediate fuel lines, hoses to rear fuel tank

Tube Construction: Lines are constructed from Galfan® coated 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: 67" x 6" x 4"

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