Adapt Motorsport Fuel Pressure Regulator. For Select Porsche 944. Replacement for M44.02 M44.04 M44.52 at 2.5 bar. Replacement for M44.11, M44.12, M44.41, M44.43 at 3.8 bar. Does not work with 5/16 barb fittings. Replaces 0280160286 and 0280160287. New and unused, no original packaging. Does not have the housing mounting screws. We are not a retailer of this brand. Please check or ask if more details are needed.