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The Goodman 0130F00010S Flame Sensor is a genuine OEM replacement engineered for the WFD18070S3AXCC gas furnace and other compatible Goodman/Amana models. This flame rod tells your furnace control board that a flame is actually present after ignition. When it corrodes or weakens, the board can no longer prove flame — the result is short cycling, delayed ignition, or a hard lockout that leaves you without heat. Replacing this inexpensive sensor is one of the most common and effective furnace repairs.
Generic flame sensors are often close but not exact — rod length, bend angle, and mounting-tab position can differ just enough to seat poorly in the burner flame, producing a weak microamp signal and repeat failures. This genuine OEM 0130F00010S is dimensionally correct for the WFD18070S3AXCC, so it sits in the flame envelope exactly as designed and delivers a stable, spec-level flame current.
Typically a 15–20 minute job with a nut driver. Shut off power and gas, unplug the sensor lead, remove the mounting screw, swap the part, and restore power. Lightly cleaning the burner assembly while you're in there is recommended. No special tools required.