57 Gallon, extra capacity, extra heavy duty, mid-ship replacement fuel tank for General Motors pickups with Crew Cabs and 6 ? ft. beds. Tank is constructed of military grade cross-linked polyethylene (XLHDPE). Tank comes complete with powder-coated or plated steel mounting straps set, extruded rubber mounting bushings and accessories. ;Custom shield Included;LIFETIME Warranty;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;For model years 2011-2016.; For 2500 and 3500 Models with Duramax Engines.