Parts such as the Rear Swinging Arm: Torque Link,rr, Cushion, Spacer,rr Swgarm Pivot Ctr, Shaft,rr Swingingarm Pivot are included in the Vz800 Marauder 2003 (k3) Usa (e03) Rear Swinging Arm parts fiche.
The component with the lowest price in the REAR SWINGING ARM schematic is the Washer (10x20x2.3).
On this parts fiche the Bearing(25x33x35) is the most specified component.