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The Goodman B1401012 is a genuine OEM hot surface igniter engineered as a direct-fit replacement for Goodman GMNT040-3 gas furnaces and compatible Goodman/Amana models. When your furnace clicks but the burners fail to light, a cracked or worn igniter is the most common culprit. This silicon carbide element heats to ignition temperature within seconds, delivering the consistent, reliable light-off your heating system depends on through the winter.
This is a true Goodman OEM igniter — built to the exact resistance, mounting, and connector spec of the factory part, so it drops in without adapters or rewiring. Generic aftermarket igniters are cheaper up front but often vary in element density and heat-up time, leading to short-cycling or premature failure. For a component this critical to safe ignition, OEM is the smart long-term value.
Easy (1 of 5). Cut power at the furnace switch, remove the burner-compartment door, unplug the old igniter, remove one or two mounting screws, and reverse to install. Handle the fragile silicon carbide element by the ceramic base only — never touch the igniter tip. Most homeowners complete this in under 15 minutes. If you are unsure, consult a licensed HVAC technician.