This is a A-394915X1 O-RING (3/4 X 3/32 IN.) ( PN: 394915X1Main Description As Following : A-394915X1 O-RING (3/4 X 3/32 IN.) ( PN: 394915X1 Found in Section & Models : Tractor Parts Associated Items : New Also This is An Aftermarket Product And : High Quality Afternaket Shipped from Both US and Canada