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The Goodman 10716003 natural gas orifice (burner spud) is a precision-drilled OEM component for AMH81405DNAA gas furnaces. The orifice threads into the manifold and meters the exact volume of natural gas delivered to each in-shot burner. Because the bore diameter sets the BTU input, only a correctly sized OEM orifice keeps the furnace firing to spec.
OEM vs. Generic: Orifice bore size is safety-critical — an oversized bore over-fires the furnace and can crack the heat exchanger, while an undersized bore starves the flame. The OEM 10716003 is drilled to Goodman's factory specification, removing the guesswork of aftermarket spuds. Do not use an LP orifice on a natural-gas furnace.
Install difficulty: Easy (1/5). Turn off the gas supply, remove the manifold or back out the old orifice with a socket, thread in the new spud, and leak-check with soap solution. About 10 minutes. Always verify manifold pressure and flame appearance after install.