4M513A719BA, 4M513A719BD, 4M513A719BE, 4M513A719DA, 4M513A719DB. Screw your new connector nut in and then install the hose/pipe combination and persuade it into position. Type: Power Steering Pipe. Important: Screw the nut in to the housing fully before pushing the pipe in (Do not fit the nut on to the pipe first).