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.Tank features exclusive low fuel trap design. This new TITAN Tank hangs approximately only 1.5 in. below bottom of stock tank shield. Very similar in appearance to original equipment tank.LIFETIME WarrantyFor model years 2011 - 2016 For 2500 and 3500 Models with Duramax Engines.