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The Goodman 0163F00018 Natural Gas Burner Orifice is a genuine OEM metered spud designed for the AMVC80805CNAA variable-speed gas furnace and compatible Goodman/Amana models. This precision-drilled brass orifice threads into the manifold and meters the exact volume of natural gas delivered to each burner. The drill size is matched to the furnace's rated input BTU and the appliance's design gas pressure, ensuring clean, complete combustion and correct flame characteristics.
The genuine OEM 0163F00018 is drilled to the precise orifice size Goodman specifies for this model. Even a small deviation in drill size changes the gas input, causing sooting, delayed ignition, or unsafe over-firing. Generic or mismatched orifices are a common cause of poor combustion. For a fuel-metering part, only the correct OEM orifice should be used.
Moderate — Recommended for a qualified technician. Shut off gas and power, remove the burner assembly, back out the old orifice, and thread in the exact replacement. After installation a combustion check and manifold pressure verification are strongly advised.