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The Goodman B1393803 Single Wing PCB Support is a genuine OEM mounting bracket that secures the integrated furnace control (PCB) inside your gas furnace. It is a direct-fit replacement engineered for the Goodman GDH80403ANAA furnace and shares tooling with many compatible Goodman and Amana 80% AFUE models. Over time vibration, corrosion, or a prior board swap can leave the original bracket bent or missing — this OEM part restores a factory-secure fit so the control board seats correctly and stays properly grounded.
This is the genuine Goodman OEM bracket, stamped to factory dimensions so screw holes and standoffs align on the first try. Aftermarket brackets are often close but not exact, forcing you to re-drill or shim the board — a compromise that risks poor grounding and intermittent board faults. For a control-board mount, exact fit is worth it.
Easy (1/5). Typically two to four sheet-metal screws with the furnace powered off. Basic hand tools and a few minutes are all that is required. Always disconnect power at the breaker before servicing.