This is a fuel pressure dampener removed from a 1980 450 SL Mercedes r107 chassis convertible. This is an original Mercedes part that is jn good used working condition. The engine on this car started in ran normally before this was removed. Mercedes part number: 1164700516. This is a good used part that is ready to be installed. This does have wear and tear rust, scratches corrosion etc. If you have any questions please let me know.