{"product_id":"spectra-99373-hvac-heater-core","title":"Spectra 99373 HVAC Heater Core","description":"\u003ch2\u003eSpectra 99373 HVAC Heater Core\u003c\/h2\u003e\u003cp\u003eThe Spectra 99373 HVAC heater core is a direct-fit replacement for select Audi heating systems. It is built to match original equipment performance targets for heat transfer and cabin comfort in Audi A4, A4 Quattro, S4, and RS4 applications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOE-style HVAC heater core for factory-style fitment\u003c\/li\u003e\n\u003cli\u003eEngineered to meet or exceed original equipment performance expectations\u003c\/li\u003e\n\u003cli\u003eSupports consistent cabin heat output in cold-weather driving\u003c\/li\u003e\n\u003cli\u003eFits 2002-2012 Audi A4 Quattro, 2002-2010 Audi A4, 2004-2009 Audi S4, and 2007-2008 Audi RS4\u003c\/li\u003e\n\u003cli\u003ePart number 99373 for easy identification and cross-reference\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eBuilt for Audi heating and climate control systems, Spectra 99373 is a replacement heater core for vehicles that need restored heat output and dependable coolant-to-air heat exchange. This part is a practical choice for Audi A4 heater core replacement, Audi A4 Quattro heater core replacement, and Audi S4 or RS4 HVAC service where the original core has restricted flow, leakage, or reduced heating performance. The 99373 heater core is also cross-referenced with Dorman - HELP 91003 and Focus Auto Parts 92003 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Fix\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWeak or uneven cabin heat\u003c\/li\u003e\n\u003cli\u003eCoolant odor inside the vehicle\u003c\/li\u003e\n\u003cli\u003eFogging caused by poor heater performance\u003c\/li\u003e\n\u003cli\u003eHeat loss from a leaking or restricted heater core\u003c\/li\u003e\n\u003cli\u003eHVAC performance issues in Audi A4, A4 Quattro, S4, and RS4 models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify vehicle year, model, and HVAC configuration before installation. Heater core replacement on Audi A4 and related models often requires access through the HVAC case, so inspect hoses, seals, and surrounding components during service. Flush the cooling system if contamination or debris is present before installing the new core.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eSpectra Premium states that its HVAC heater cores are manufactured with engineering controls, production technology, and quality checks intended to meet or exceed the performance of the original equipment they replace.\u003c\/p\u003e","brand":"Spectra","offers":[{"title":"Default Title","offer_id":52832336511157,"sku":"BCNK-99373","price":118.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SQ_99373_Fro.jpg?v=1784701194","url":"https:\/\/www.partcatalog.com\/products\/spectra-99373-hvac-heater-core","provider":"PartCatalog","version":"1.0","type":"link"}