This is a replacement graphite gasket by Skyline Emissions Inc. It is used on DPFs and DOCs used on Mercedes Benz MBE 900 engines. This gasket is applicable with both Skyline and OEM part numbers. <BR<BR Applicable Skyline Part Number:<BR A-DDXH-DG1204<BR<BR Applicable OEM Part Numbers:<BR A6804910094, RA6804910097, RA6804908792