{"product_id":"nissens-73921-hvac-heater-core","title":"Nissens 73921 HVAC Heater Core","description":"\u003ch2\u003eOverview of Nissens HVAC Heater Core 73921\u003c\/h2\u003e\u003cp\u003eThe Nissens HVAC Heater Core 73921 is designed for reliable heating performance in select Audi and Volkswagen models. Engineered with durable aluminum core material and plastic tanks, this heater core ensures efficient heat transfer and long-lasting operation for vehicles like the Audi TT and Volkswagen Golf.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCore material constructed from lightweight aluminum for effective heat dissipation\u003c\/li\u003e\n\u003cli\u003ePlastic tank material to reduce corrosion and weight\u003c\/li\u003e\n\u003cli\u003eMechanically jointed cooling fins for enhanced durability\u003c\/li\u003e\n\u003cli\u003eCore dimensions: 9.25 inches height, 6.18 inches length, 1.65 inches width\u003c\/li\u003e\n\u003cli\u003ePipe not included, compatible with original vehicle fittings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Nissens HVAC Heater Core 73921 features a robust aluminum core that provides efficient heat exchange within the vehicle’s heating system. The plastic tanks help resist corrosion and maintain structural integrity over time. Its mechanically jointed cooling fins improve thermal conductivity and durability, ensuring consistent cabin heating. With precise core dimensions of 9.25 inches in height, 6.18 inches in length, and 1.65 inches in width, this heater core is engineered to fit specific Audi and Volkswagen models including the Beetle, Golf, Jetta, R32, TT, and TT Quattro.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis heater core is compatible with the following makes and models:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAudi Beetle\u003c\/li\u003e\n\u003cli\u003eAudi Golf\u003c\/li\u003e\n\u003cli\u003eAudi Jetta\u003c\/li\u003e\n\u003cli\u003eAudi R32\u003c\/li\u003e\n\u003cli\u003eAudi TT and TT Quattro\u003c\/li\u003e\n\u003cli\u003eVolkswagen Beetle\u003c\/li\u003e\n\u003cli\u003eVolkswagen Golf\u003c\/li\u003e\n\u003cli\u003eVolkswagen Jetta\u003c\/li\u003e\n\u003cli\u003eVolkswagen R32\u003c\/li\u003e\n\u003cli\u003eVolkswagen TT and TT Quattro\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Heater Core\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eInsufficient cabin heat due to clogged or leaking heater core\u003c\/li\u003e\n\u003cli\u003eCoolant leaks inside the vehicle’s HVAC system\u003c\/li\u003e\n\u003cli\u003eOverheating caused by inefficient heat exchange\u003c\/li\u003e\n\u003cli\u003eCorrosion damage to original heater core components\u003c\/li\u003e\n\u003cli\u003eReduced airflow or heating performance in Audi TT and Volkswagen Golf models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure compatibility with vehicle make and model before installation\u003c\/li\u003e\n\u003cli\u003eFlush the cooling system to remove debris before installing the new heater core\u003c\/li\u003e\n\u003cli\u003eCheck all hose connections and clamps for secure fitment\u003c\/li\u003e\n\u003cli\u003eUse OEM or equivalent quality coolant to prevent corrosion\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended for proper fit and function\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThe Nissens HVAC Heater Core 73921 is manufactured to meet or exceed OEM specifications for fit, form, and function. Constructed with corrosion-resistant materials and mechanically jointed fins, it offers reliable performance in demanding automotive environments. While specific warranty details may vary, Nissens products typically include a limited warranty against defects in materials and workmanship. Consult product documentation or supplier for exact warranty terms.\u003c\/p\u003e","brand":"Nissens","offers":[{"title":"Default Title","offer_id":43450722156725,"sku":"BKMH-73921","price":59.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/N1_73921_Fro.jpg?v=1774734957","url":"https:\/\/www.partcatalog.com\/products\/nissens-73921-hvac-heater-core","provider":"PartCatalog","version":"1.0","type":"link"}