Diesel engine oil seal compatible BRIGGS STRATTON DRIVE SIDE (PTO) lawn mower tractor Shaft diameter (mm): 27 Outer diameter (mm): 43 Weight: 12 g For models: BRIGGS STRATTON 090600 , 097700 , 099700 , 100600 , 100700 , 100800 , 104700 , 110600 111600 , 111P00 , 112P00 , 114P00 , 11A600 , 11P900 , 120600 , 120H00 120K00 , 121000 , 121K00 , 121Q00 , 121S00 , 122000 , 122H00 , 122K00 122L00 , 122M00 , 122Q00 , 122R00 , 122T00 , 123000 , 123K00 , 124000 124H00 , 124K00 , 124L00 , 124Q00 , 124S00 , 124T00 , 125600 , 125700 125H00 , 125K00 , 126000 , 126L00 , 126M00 , 126T00 , 127000 , 128000 128H00 , 128L00 , 128M00 , 128T00 , 129000 , 129H00 , 12A000 , 12B800 12C000 , 12D000 , 12E000 , 12F000 , 12G000 , 12H000 , 12J000 , 12M800 12Q000 , 12R500 , 12R600 , 12S000 , 12T000 , 12V800 , 14B900 Code: 30270113 Original part number: 399781S 399781 ah