{"product_id":"oem-goodman-24-1-2-in-6-cell-heat-exchanger-for-gmnte120-5-4821404s","title":"OEM Goodman 24-1\/2 in 6-Cell Heat Exchanger for GMNTE120-5 — 4821404S","description":"\u003cp\u003eThe Goodman \u003cstrong\u003e4821404S\u003c\/strong\u003e is a genuine OEM 24-1\/2 inch, 6-cell heat exchanger engineered as a direct-fit replacement for the \u003cstrong\u003eGMNTE120-5\u003c\/strong\u003e gas furnace. The heat exchanger is the heart of your furnace's combustion system — it transfers heat from the burners to the circulating air while keeping combustion byproducts safely separated from your home's air stream. A cracked or corroded exchanger is a safety issue and a common cause of furnace red-tagging, so a factory-spec replacement matters.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 24-1\/2 in overall\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCells:\u003c\/strong\u003e 6-cell clamshell design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminized steel for corrosion resistance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Goodman GMNTE120-5 furnace\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Primary heat exchanger assembly\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eOEM vs. Generic:\u003c\/strong\u003e This is the true Goodman OEM assembly, dimensionally identical to the factory part with matching cell geometry and mounting points. Generic aftermarket exchangers can vary in tube pitch and flange spacing, leading to combustion issues, poor seals, or premature failure. For a safety-critical component like a heat exchanger, OEM is strongly recommended and often required to keep the furnace warranty intact.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstall difficulty: Hard.\u003c\/strong\u003e Heat exchanger replacement requires disassembly of the burner and blower sections, gas line and manifold removal, and combustion testing on reassembly. This job should be performed by a licensed HVAC technician with a combustion analyzer. Always shut off gas and power before servicing.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058133942643,"sku":"GOODMAN-11820","price":433.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-24-1-2-in-6-cell-heat-exchanger-for-gmnte120-5-4821404s","provider":"National HVAC Parts","version":"1.0","type":"link"}