That model number is incomplete, did you get it right off the appliance's model and serial number tag? That is the only reliable place the complete information will be found.
** The ice maker drips water into the ice bin creating icebergs. **
Unless the icemaker is physically cracked, the leaks may be caused by something besides a problem in the icemaker itself. Maybe overfilling of the tray or splashing when filling??
** What all is involved in replacing the icemaker **
It should just be held to the cabinet by 2 screws and its wire harness just plug in.
** any suggestions on where to buy one **
The company at the links below has them all in stock: