Glad to hear it is working well for you! Did you by any chance try resetting the maintenance light again once you got the cluster back with the correct mileage? I was curious if it will let you reset the maintenance light again once it comes time or if it just suppresses it for 5k miles. I'm...
I know this is an old thread, but I just found it after putting the Optitron Instrument Panel from a totaled 2011 Limited into my 2010 SR5 and encountering the inability to reset the oil change light.
I already had the mileage reprogrammed locally, but in my case the LE cluster had 165k miles...