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The Goodman 10716003 is a genuine OEM natural-gas burner orifice (spud) for the GKS90905DXAF gas furnace. The orifice meters the precise volume of natural gas delivered to each burner, setting the correct air-fuel mixture for clean, efficient combustion and rated BTU output. A worn, corroded, or incorrectly drilled orifice can cause poor flame quality, sooting, delayed ignition, or improper heat output — always match the exact orifice number for your fuel type and altitude.
The OEM Goodman orifice is drilled to the exact factory bore for correct natural-gas flow and BTU rating on the GKS90905DXAF — critical for safe combustion. A generic equivalent may save money, but the drill size must match precisely; an incorrect orifice creates a safety and efficiency risk. OEM is strongly recommended for gas-metering parts.
Moderate (3/5). Shut off gas and power. Remove the burner assembly or manifold as needed, unthread the old orifice with the correct wrench, and thread in the replacement without over-tightening or damaging the bore. Leak-test all connections and verify a clean blue flame. Gas work should be performed by a qualified technician.