This is a A-192329M2 Seal, PTO Main Drive Shaft PN: 192329M2Main Description As Following : A-192329M2 Seal, PTO Main Drive Shaft P.N: 192329M2 Inside Diameter: 1 5/8"Outside Diameter: 2"Width: 19/32" Replaces: A-VPH1408 VAPORMATIC , 882296M1 MASSEY FERGUSON Found in Section & Models : PTO Parts > PTO and Related Parts, Massey Ferguson TRACTOR: 135, Massey Ferguson TRACTOR: 150 (STD. GAS & DIESEL TRANS. SN