Located at end of fuel rail , 90 degree plug.
A DODGE OR MERCEDES DEALER WILL ONLY SELL THIS ITEM AS PART OF THE ENTIRE FUEL DISTRIBUTION RAIL ASSEMBLY AND NOT AS A SEPARATE ITEM. REPLACING THE ENTIRE FUEL RAIL IS THE RECOMMENDED MANNER IN SERVICING THIS REGULATOR.
THE COMPLETE RAIL IS SHOWN BELOW.
YOU MAY PURCHASE THIS ITEM SEPARATELY BUT, WE CANNOT GUARANTEE THAT IT WILL CURE YOUR PROBLEM AND THEREFORE, THERE WILL BE NO WARRANTY RETURNS ACCEPTED FOR THIS ITEM, AS REPLACEMENT OF ONLY THIS VALVE IS NOT RECOMMENDED BY THE VEHICLE MANUFACTURER.