Here are the diagrams and repair parts for Official Craftsman 13953720 3-channel vanity transmitter, as well as links to manuals and error code tables, if available.
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Transmitter diagram
Part #41A3136
The manufacturer no longer makes this part, and there's no substitute part
Transmitter diagram
Part #41A3072
The manufacturer no longer makes this part, and there's no substitute part
Transmitter diagram
Part #10A13
The manufacturer no longer makes this part, and there's no substitute part
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