Ford Parts 7C19-3A713AD Steering Return Pipe for Ford Transit V348 On a Transit V348 / New Gen Quanshun, the 7C19-3A713AD is the low-pressure return hose that carries used steering fluid from the steering gear back to the pump/reservoir — the one with the crimped metal ferrules at both ends that the trade calls "铁接机 / 铁接壶" . It runs along the front crossmember, so it catches road grit, heat from the exhaust, and constant vibration. When the NBR lining hardens or a ferrule