Never used over the wheel water tank from NW Conversions. $320 brand new 24 Gallon Water Tank Centered over the wheel well 48” long, 14” deep, 16” tall Designed to fit the Sprinter Van TRANSIT Van wheel wells are slightly smaller than the Sprinter so there is a bit more room for insulation around wheel well. **PROMASTER** The tank needs to be elevated 3.5″ to fit the large wheel wells. Can be placed either driver or passenger side Tank has (2) 1.5” NPT ports (need to be drilled out) and (2)1/2” NPT ports on either end. Tank has (1) 1.5” NPT port (needs to be drilled out) on top or fill or level sensor. Tank is designed for non pressurised systems. Needs to be vented. Tanks are made from BPA Free Food Grade Plastic