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The Goodman 10716003 Natural Gas Burner Orifice is a genuine OEM metering spud for the GKS90905DXAE gas furnace. This precision-drilled brass orifice regulates the exact volume of natural gas delivered to each burner, ensuring the correct BTU input, a clean blue flame, and efficient, safe combustion. A damaged, corroded, or incorrectly sized orifice causes sooting, lifting or roaring flames, delayed ignition, and wasted fuel — replacing it with the factory part restores rated performance.
OEM vs. Generic: Orifice sizing is critical — the bore diameter is matched to your furnace's manifold pressure and burner design. The OEM 10716003 is drilled to Goodman's exact specification, so combustion stays within safe CO limits and efficiency ratings. Generic or mis-drilled orifices can over- or under-fire the furnace, creating carbon monoxide and heat-exchanger damage risks.
Install difficulty: Moderate (2/5). Shut off gas and power, remove the manifold or burner as needed, thread out the old orifice with a proper socket, and install the new one to the correct torque. Because this affects combustion, we recommend a licensed HVAC technician verify manifold pressure and flame quality after installation.