This is a A-OL2050 2050 Extended Pitch Offset Link (Drives) PN: OL2050Main Description As Following : A-OL2050 2050 Extended Pitch Offset Link (USA) P.N: OL2050 A-OL2050 2050 Extended Pitch Offset Link (USA) P.N: OL2050 Replaces: RCOSLA2050 EDCOR , SW2050OLUS JOHN DEERE , Crossed From: AHL2050 , , BP10238 JOHN DEERE , 803-412050 , , 803412050 , 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