This Chain Case diagram displays the required parts for the Gz125u 2000 (y) (e01) Chain Case.
The component with the lowest price in the CHAIN CASE schematic is the Washer (10.5x24x2.3).
A sample from the products for the Chain Case include: Screw, Nut, Washer (10.5x24x2.3), Bolt(10x37).