A sample from the products for the Starting Motor include: O-ring(1rl), Brush Set, Bolt, Washer Based(4gy), Cord Comp..
In this schematic the "O-ring" is used most often.
The most reasonably priced component used on the Xg250 2005 4d62 Italy 1d4d6-332g1 Starting Motor is the Bolt, Washer Based(4gy).