Lennox Armstrong Ducane Circuit Board

I need a Circuit board to fit/match my existing furnace. It is a model # 51HWC183A-3B,
serial # J11020 Thank you for any help.

Thank you for your question. Here is a link for the replacement part:
http://www.northamericahvac.com/oem-len ... 46994-101/
Please let us know if you have any other questions. Thank you!