That number your dealer gave you is for the handle itself, not the little arm. The handle goes all the way through to both sides. I think they may have changed this thing again. After the design with the roll pin, there was a clamp-on arm (#4 in picture) that was slotted on the backside, and a bolt was used to clamp it to the handle. I'm not sure what this new thing is that they have. Bushing #8 appears to be NLA. I found one of the new arms on ebay, and there's no slot in it for clamping it on with a bolt, and that bushing and snap ring doesn't really look like it can clamp the arm to the shaft
