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The Goodman B1401012 is a genuine OEM hot surface ignitor built as a direct-fit replacement for the GMP075-4 gas furnace. This ignitor is the heart of the furnace's ignition sequence — when the control board calls for heat, current flows through the element until it glows hot enough to light the burners. Ignitors are the most common furnace failure point: the element is brittle and eventually cracks or loses resistance, producing a furnace that clicks but never lights. A new OEM ignitor is the fastest, most reliable no-heat fix.
The genuine Goodman OEM ignitor arrives with the correct mounting bracket, wire lead length, and connector so it drops in without adapters. Generic silicon-nitride ignitors may claim compatibility but often need mount modification and can vary in warm-up time and lifespan. For guaranteed ignition timing and fit, OEM is the dependable choice.
Easy. Disconnect power, remove the burner access panel, unplug the ignitor lead, remove one or two mounting screws, and reverse to install. Handle the fragile element by the ceramic base only — never touch the coated tip. Most homeowners finish in 15 minutes.
Always shut off electrical power and gas supply before servicing your furnace.