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The Goodman 10716003 Natural Gas Orifice is a genuine OEM burner spud precision-drilled to deliver the correct natural-gas flow rate for the WGFM195090S4CAC gas furnace. The orifice meters fuel into each burner so the flame burns clean, efficient, and within the furnace's rated BTU input. A worn, corroded, or incorrectly sized orifice causes poor flame quality, sooting, delayed ignition, and reduced heating output.
OEM vs. Generic: The genuine 10716003 is machined and drilled to the exact factory orifice diameter for this furnace's input rating. Generic or drill-your-own alternatives risk over- or under-firing, which wastes fuel, produces carbon monoxide, or damages the heat exchanger. For a combustion component, only a factory-spec orifice guarantees a safe, correctly tuned flame.
Installation difficulty: Moderate. Requires shutting off gas and power, removing the burner assembly, and threading the new orifice to the correct torque. Best performed by an HVAC professional, who should also verify manifold pressure and flame appearance after replacement. Confirm this is the natural-gas orifice (not LP) for your model before installing.