This is a replacement graphite gasket by Skyline Emissions Inc. It is used on DPFs and DOCs used on Cummins ISB engines. This gasket is applicable with both Skyline and OEM part numbers. <BR<BR Applicable Skyline Part Numbers:<BR A-CEXH-BG1101, A-CEXH-BG1102, A-CEXH-BG1103<BR<BR Applicable OEM Part Numbers:<BR 4965287, 4965227, 2871462