This is a A-CL40DIMP 40 Double Connector Link (Import) PN: CL40DIMPMain Description As Following : A-CL40DIMP 40 Double Connector Link (Import) P.N: CL40DIMP A-CL40DIMP 40 Double Connector Link (Import) P.N: CL40DIMP Replaces: SWC40DCO JOHN DEERE , Crossed From: 673-CD40 , , 673CD40 , 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