The Rear Lower Arm assembly is constructed from several parts from which the Trailing Arm,comp is the most expensive.
A sample from the products for the Rear Lower Arm include: Blind Plug 20, Compensator Arm C, Trailing Arm,comp, Bolt,flange.8x16.
The Nut,flange,8mm is the lowest priced item on this Rear Lower Arm schematic.