60 Gallon, extra capacity, extra heavy duty, mid-ship, under-body replacement fuel tank for General Motors diesel pickups with 8 ft. beds and Extended Cabs. Tank is constructed of military grade cross-linked polyethylene (XLHDPE).; Tank comes complete with powder-coated or plated steel mounting strap set, extruded rubber mounting bushings and accessories. Tank features exclusive low fuel trap design. This new TITAN tank hangs approximately only 1.5in below bottom of stock tank shield. Very similar in appearance to original equipment tank;LIFETIME Warranty;For model years 2011-2016.; For 2500 and 3500 Models with Duramax Engines.