{"product_id":"oem-goodman-chimney-collar-for-ams80903bnaa-4053501s","title":"OEM Goodman Chimney Collar for AMS80903BNAA — 4053501S","description":"\u003cp\u003eThe Goodman \u003cstrong\u003e4053501S Chimney Collar\u003c\/strong\u003e is a genuine OEM flue\/vent component engineered for the \u003cstrong\u003eAMS80903BNAA\u003c\/strong\u003e 80% AFUE gas furnace. This collar forms the sealed transition between the furnace flue outlet and the vent connector, keeping combustion byproducts routed safely to the chimney. Using the factory part guarantees the correct diameter, flange pattern, and heat tolerance so your venting system stays code-compliant and leak-free.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart number: 4053501S\u003c\/li\u003e\n\u003cli\u003eType: Chimney \/ flue vent collar\u003c\/li\u003e\n\u003cli\u003eCompatibility: Goodman \u0026amp; Amana AMS80903BNAA (80% AFUE upflow\/horizontal furnaces)\u003c\/li\u003e\n\u003cli\u003eApplication: Vent connector-to-flue transition\u003c\/li\u003e\n\u003cli\u003eMaterial: Corrosion-resistant metal, rated for flue-gas temperatures\u003c\/li\u003e\n\u003cli\u003eFit: Direct OEM replacement — no modification required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eGeneric collars often vary in flange size and metal gauge, which can cause vent leaks or improper draft. This \u003cstrong\u003egenuine Goodman OEM collar\u003c\/strong\u003e matches the furnace's factory dimensions exactly, preserving proper draft and your equipment warranty. For a combustion-venting part, exact fit is a safety issue — not just convenience.\u003c\/p\u003e\u003ch3\u003eInstall Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate — 2 of 5.\u003c\/strong\u003e Replacement involves disconnecting the vent connector and reseating the collar; basic hand tools are sufficient. Always shut off gas and power first, and verify proper draft after reassembly. If you are unsure about combustion venting, consult a licensed HVAC technician.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057704845683,"sku":"GOODMAN-7040","price":20.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-chimney-collar-for-ams80903bnaa-4053501s","provider":"National HVAC Parts","version":"1.0","type":"link"}