Sixto-
I have a 300SDL speedo. I bought a used instrument cluster from silver star recyclers (I think) for the left side meters and have no use for the speedo/odo assembly. The left cluster I used worked fine, however, I did NOT test the operation of the speedo/odo assembly. ODO has high mileage (Over 200K) which is another reason I didn't use it (my sdl had 137K). I am leaving paradise for Maryland (ugh) for the weekend but can ship it next week if you are interested.
Aloha.