Parts such as the Rear Arm: Oil Seal, Washer, Plate (5x6), Nut, U, Bearing, Cylindrical(4pt) are included in the Xt660r 2004 5vk3 England 1c5vk-300s3 Rear Arm parts fiche.
On this parts fiche the Oil Seal is the most specified component.
The lowest price component in this Rear Arm parts-list fiche is the Bolt, Flange(jf2).
