{"product_id":"oem-goodman-hot-surface-ignitor-for-wfd18090s4bxcb-20165703s","title":"OEM Goodman Hot Surface Ignitor for WFD18090S4BXCB — 20165703S","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman 20165703S\u003c\/strong\u003e is a genuine OEM hot surface ignitor (HSI) for the \u003cstrong\u003eWFD18090S4BXCB\u003c\/strong\u003e gas furnace. The ignitor glows red-hot on a call for heat to light the main burners, and it is the single most common no-heat failure point in modern furnaces. If your furnace clicks but won't light, or the ignitor shows cracks or white spots, this direct-fit replacement restores dependable ignition.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e 20165703S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Hot Surface Ignitor (HSI)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Goodman (OEM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits Model:\u003c\/strong\u003e WFD18090S4BXCB gas furnace\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElement:\u003c\/strong\u003e Durable high-temperature ignitor element\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFit:\u003c\/strong\u003e Direct OEM replacement with matching mounting and connector\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThis \u003cstrong\u003eOEM Goodman\u003c\/strong\u003e ignitor matches the factory resistance, mounting bracket, and plug so it seats and sequences correctly with the furnace control board. Universal ignitors often require adapter harnesses and may not match the glow profile, leading to hard starts. For plug-and-play reliability, choose OEM.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (2\/5).\u003c\/strong\u003e Usually one or two screws and a single wire connector — about 15–30 minutes. Handle the fragile element by the base only; skin oils shorten its life. Cut power before servicing, and hire a licensed HVAC pro if you're unsure.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058216550771,"sku":"GOODMAN-13866","price":47.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-hot-surface-ignitor-for-wfd18090s4bxcb-20165703s","provider":"National HVAC Parts","version":"1.0","type":"link"}