RB's "NEW" Sprinter Van Spare Tire Water Tank is one of the largest spare tire tanks in its class at 27 gallons. Made for the Sprinter 2500 chassis in a heavy duty polyethylene and comes with pre-installed tank fittings on both driver and passenger sides to suit your build needs. You can never have enough fresh water capacity. #rbcomponents #rbadventurevans #water #vanconversion #sprintervanconversion #mercedes #diyvan #adventurevan #sprintervan #campervan #getoutside