On this parts fiche the Seal Cush Arm is the most specified component.
A sample from the products for the F-21 Rear Cushion - Link include: Rod Assy Cush, Bolt,flange,8x48, Bush,damper, Bush,damper Lower.
The F-21 Rear Cushion - Link is made up of components including this Cushion Assy.,rr. which is the most expensive.