This Rear Arm Comp. is the most expensive of the items that make up this Rear Arm assembly.
Parts such as the Rear Arm: Collar(3tj), Washer, Plate(47x), Bush, Seal, Guard are included in the Yfz1000rc 1997 (v) California Rear Arm parts fiche.
On this parts fiche the Oil Seal(38v) is the most specified component.