This is a replacement graphite Gasket by Skyline Emissions Inc. It is used on DPFs and DOCs on Volvo/Mack D13/MP8 and D16/MP10 engines. This gasket is applicable with both Skyline and OEM part number. <BR<BR Applicable Skyline Part Numbers:<BR A-VPTH-VQ1202, A-VPTH-VQ1204<BR<BR Applicable OEM Part Numbers:<BR 20864127, 21850658, 85000726, 20864316, 21851879