{"product_id":"oem-goodman-43-burner-orifice-for-dds80904bxa-furnace-b4089343","title":"OEM Goodman #43 Burner Orifice for DDS80904BXA Furnace — B4089343","description":"\u003cp\u003eThe Goodman \u003cstrong\u003eB4089343 Burner Orifice (#43 drill)\u003c\/strong\u003e is the genuine OEM gas spud for the \u003cstrong\u003eDDS80904BXA\u003c\/strong\u003e furnace and compatible Goodman\/Amana models. Threaded into the manifold, this precision-drilled orifice meters the exact gas flow into each in-shot burner. The correct orifice size is critical for the right BTU input, clean combustion, and safe operation — a wrong or worn orifice causes over\/under-firing, sooting, and rollout.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Threaded burner orifice \/ spud\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill size:\u003c\/strong\u003e #43 (natural gas)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Meters gas flow to a single in-shot burner\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits model:\u003c\/strong\u003e Goodman DDS80904BXA and related furnaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM part number:\u003c\/strong\u003e B4089343\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eOEM Goodman\u003c\/strong\u003e orifice guarantees the factory-specified #43 bore and thread pitch, so BTU input matches the furnace rating plate exactly. Generic or mis-drilled orifices are a genuine safety and efficiency risk — even a fraction of a drill size changes the firing rate. Always match OEM for gas-metering components.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate (3\/5)\u003c\/strong\u003e — Backs out of the manifold with a nut driver; verify #43 sizing for natural gas (LP conversions use a smaller orifice). Shut off gas, replace, then leak-check and confirm proper flame. Recommended for HVAC techs or confident DIYers; 20–30 minutes.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058012635507,"sku":"GOODMAN-9454","price":5.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-43-burner-orifice-for-dds80904bxa-furnace-b4089343","provider":"National HVAC Parts","version":"1.0","type":"link"}