{"product_id":"oem-goodman-14-3-cell-heat-exchanger-for-gmnt060-3b-4821401s","title":"OEM Goodman 14\" 3-Cell Heat Exchanger for GMNT060-3B — 4821401S","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman 4821401S\u003c\/strong\u003e is a genuine OEM 14-inch, 3-cell heat exchanger engineered as a direct-fit replacement for \u003cstrong\u003eGMNT060-3B\u003c\/strong\u003e gas furnaces. The heat exchanger is the heart of your furnace's heating process — combustion gases pass through its cells while air from your blower flows across the exterior, transferring heat into your home without allowing exhaust gases to mix with breathable air. A cracked or corroded exchanger is a safety hazard, and replacing it with an OEM unit restores both efficiency and peace of mind.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSize: 14 inch\u003c\/li\u003e\n\u003cli\u003eConfiguration: 3-cell\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminized steel for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eCompatibility: Goodman GMNT060-3B furnace\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: 4821401S\u003c\/li\u003e\n\u003cli\u003eBrand: Goodman \/ Amana\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThis genuine OEM heat exchanger is built to the exact tube geometry, cell spacing, and metal gauge specified by Goodman, ensuring proper combustion airflow and a factory-correct fit. Generic exchangers often vary in cell dimensions and weld quality, which can lead to poor heat transfer, premature cracking, or improper flame patterns. For a critical combustion component, OEM is strongly recommended.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eAdvanced (Professional Recommended).\u003c\/strong\u003e Heat exchanger replacement requires disassembly of the burner and blower sections, gas line handling, and combustion testing. This repair should be performed by a licensed HVAC technician with a combustion analyzer.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058128568691,"sku":"GOODMAN-11645","price":336.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-14-3-cell-heat-exchanger-for-gmnt060-3b-4821401s","provider":"National HVAC Parts","version":"1.0","type":"link"}