This is a A-OL80D 80 Double Offset Link (Drives) PN: OL80DMain Description As Following : A-OL80D 80 Double Offset Link (USA) P.N: OL80D A-OL80D 80 Double Offset Link (USA) P.N: OL80D Replaces: SW80DOLUS JOHN DEERE , Crossed From: AHLD80 , , 2221-47121 JOHN DAY , 803-420800 , , 803420800 , Found in Section & Models : Chains/ Sprockets/ Pulleys/ Hubs > Roller Chains and Attachment Links, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : High Quality Afternaket Shipped from Both US and Canada