Up for Buy-It-Now is a new old replacement stock ignitor gear, Niehoff part number 4821. This item was obtained from an old service garage and is not a newly remanufactured part. According to my Niehoff Manual, this is used on the following models and years:
1924-1925 Oldsmobile....Model 6-30
The gear has 5 teeth and has the following measurements...1 1/8" x 3/4 x 21/32": It is in brand new, never used condition and is free of any damage. Cast on the assembly is 4821.
Please feel free to E-mail me questions. International bidders are always welcome. Thanks for looking!!!