{"product_id":"oem-goodman-43-burner-orifice-for-amv80905cxbb-furnace-b4089343","title":"OEM Goodman #43 Burner Orifice for AMV80905CXBB Furnace — B4089343","description":"\u003ch2\u003eGoodman B4089343 #43 Burner Orifice\u003c\/h2\u003e\u003cp\u003eThe Goodman B4089343 is a genuine OEM #43 burner orifice (spud) built for the \u003cstrong\u003eAMV80905CXBB\u003c\/strong\u003e gas furnace and related Goodman\/Amana 80% AFUE models. The orifice meters the precise volume of gas delivered to each in-shot burner, so the drill size is critical to safe, efficient combustion. This #43 orifice is factory-drilled for the correct natural-gas input rate.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM Part Number: B4089343\u003c\/li\u003e\n\u003cli\u003eType: Burner orifice \/ spud\u003c\/li\u003e\n\u003cli\u003eDrill Size: #43\u003c\/li\u003e\n\u003cli\u003eFuel: Natural gas\u003c\/li\u003e\n\u003cli\u003eFits: Goodman \u0026amp; Amana AMV80905CXBB and related 80% furnaces\u003c\/li\u003e\n\u003cli\u003eEquipment: Gas furnace\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eOrifice sizing directly controls BTU input and flame quality. The OEM B4089343 is precision-machined to the exact #43 bore Goodman specifies for this furnace. An incorrectly sized generic orifice can over- or under-fire the unit, causing sooting, short cycling, or unsafe operation. Always match OEM.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (1\/5)\u003c\/strong\u003e — Threads into the manifold in minutes with a nut driver or wrench. Confirm the orifice size matches your fuel type before installing.\u003c\/p\u003e\u003cp\u003eTurn off gas and power before servicing. Consult a licensed technician if unsure.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057812849011,"sku":"GOODMAN-7672","price":8.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-43-burner-orifice-for-amv80905cxbb-furnace-b4089343","provider":"National HVAC Parts","version":"1.0","type":"link"}