A sample from the products for the Starter Motor(klf220-a5/a6/a7/a8) include: Wire-lead,starter, Spring-brush, Ring-o, Starter-electric.
The component with the lowest price in the STARTER MOTOR(KLF220-A5/A6/A7/A8) schematic is the Washer-spring,5mm.
With four applications this Washer, Thrust, 0.2t is the most specified part.