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The Goodman B1393803 Single Wing PCB Support is a genuine OEM mounting bracket engineered to secure the integrated furnace control (IFC) circuit board inside Goodman AMS81205DXAC gas furnaces and compatible models. When the original support cracks, warps, or is lost during a board swap, this factory part restores proper board alignment and prevents shorts caused by a loose or vibrating control board.
This is a genuine Goodman OEM support, molded to the exact tolerances of the original so the board seats flush and the retaining tabs lock securely. Generic or 3D-printed substitutes often flex under heat, allowing the board to shift and stressing solder joints. Choosing OEM protects the more expensive control board it holds.
Easy (1/5). Power down the furnace, unclip the old support, snap the new B1393803 into place, and re-seat the control board. Typical time is under 10 minutes with no special tools. Always disconnect power before servicing.