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The Goodman 10716003 natural gas burner orifice is a genuine OEM replacement for AMH80603AXAA gas furnaces and compatible Goodman/Amana models. Also called a spud, the orifice is a precision-drilled brass fitting that meters the exact volume of natural gas into each in-shot burner. The drill size sets the furnace's BTU input, so using the correct OEM orifice is essential for proper firing rate, flame quality, and safe, efficient combustion.
OEM 10716003 is drilled to the precise diameter matched to your furnace's manifold pressure and altitude rating, delivering the rated BTU input out of the box. Generic or hand-drilled orifices risk overfiring, sooting, or a starved flame. For a component that directly controls gas flow, always fit OEM.
Easy — threads into the manifold; the old orifice unscrews with a nut driver. Shut off the gas supply first and leak-check the connection with soap solution after installation. Plan 15 minutes. Confirm you are ordering the natural gas (not LP) orifice for your setup.