This is a A-CA550C Chain Repair Link, Connector, CA550 PN: CA550CMain Description As Following : A-CA550C Chain Repair Link, Connector, CA550 P.N: CA550C A-CA550C Chain Repair Link, Connector, CA550 P.N: CA550C Replaces: L5 MISCELLANEOUS , L5-IMPORT MISCELLANEOUS , 241-15113 CASE/INTERNATIONAL HAR. , Crossed From: AV105728 VAPORMATIC , CA550CL , , 042-CA550CL , , 2221-27021 JOHN DAY , 2221-29721 JOHN DAY , 70927036 , Found in Section & Models : Chains/ Sprockets/ Pulleys/ Hubs > Roller Chains and Attachment Links, (Miscellaneous) (UNDEFINED): SEVERAL, Miscellaneous > Miscellaneous, (Miscellaneous) COMBINE: SEVERAL (CA550 Feeder Chain Connector), (Miscellaneous) COMBINE: SEVERAL (CA550 Import Feeder Chain Connector) Associated Items : New Also This is An Aftermarket Product And : High Quality Afternaket Shipped from Both US and Canada