{"product_id":"four-seasons-90901-hvac-heater-core-front","title":"Four Seasons 90901 HVAC Heater Core - Front","description":"\u003ch2\u003eReliable Heater Core Replacement for Ford, Lincoln, and Mercury Vehicles\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Heater Core part number 90901 is designed to restore efficient heating performance in select Ford, Lincoln, and Mercury models. Engineered with durable aluminum construction, this heater core ensures consistent heat transfer and long-lasting operation for your vehicle's HVAC system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCore dimensions: 9-5\/8 inches length, 6-1\/8 inches width, 1-7\/8 inches thickness\u003c\/li\u003e\n\u003cli\u003eConstructed from corrosion-resistant aluminum material\u003c\/li\u003e\n\u003cli\u003eCore depth of 1.875 inches and height of 9.625 inches for precise fit\u003c\/li\u003e\n\u003cli\u003eTube diameter: 0.625 inches (15.875 mm) for both inlet and outlet\u003c\/li\u003e\n\u003cli\u003eMeets or exceeds OEM specifications for reliable performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFour Seasons Heater Core Product Line Overview\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Heater Core line focuses on delivering quality HVAC heater cores that meet or exceed original equipment manufacturer standards. This aluminum heater core is part of that line, providing a balance of durability and efficient heat exchange. The design ensures compatibility with specific Ford, Lincoln, and Mercury models, maintaining factory-level heating system functionality.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description and Specifications\u003c\/h2\u003e\u003cp\u003eThis HVAC heater core (part number 90901) features an aluminum core that offers excellent thermal conductivity and resistance to corrosion. The core measures 9.625 inches in height, 6.125 inches in width, and 1.875 inches in depth, making it suitable for direct replacement in compatible vehicles. Both inlet and outlet tubes have a diameter of 0.625 inches (15.875 mm), ensuring proper coolant flow. The heater core does not include adjustable pipe positioning, so it is designed for exact OEM fitment. This part is compatible with Ford Expedition, F-150, F-250, F-350, Lincoln Mark LT, Mercury Mountaineer, and Lincoln Navigator models.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores heating system performance in Ford F-150 and F-250 trucks\u003c\/li\u003e\n\u003cli\u003eEliminates coolant leaks and prevents interior fogging in Lincoln Navigator\u003c\/li\u003e\n\u003cli\u003eResolves insufficient cabin heat in Mercury Mountaineer and Ford Expedition\u003c\/li\u003e\n\u003cli\u003eReplaces clogged or corroded heater cores causing reduced heat output\u003c\/li\u003e\n\u003cli\u003ePrevents engine overheating related to heater core failure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Four Seasons Heater Core 90901, ensure the vehicle is compatible with the specified fitment list. Properly drain the cooling system before removal to avoid spills. Since this heater core does not have adjustable pipe positioning, verify alignment with existing hoses and mounting points. It is recommended to inspect and replace any worn hoses or clamps during installation to maintain system integrity.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Heater Core 90901 meets or exceeds OEM standards, providing reliable performance and durability. Manufactured with corrosion-resistant aluminum, this heater core is built to withstand typical operating conditions. Please refer to Four Seasons' warranty policy for specific coverage details.\u003c\/p\u003e","brand":"Four Seasons","offers":[{"title":"Default Title","offer_id":52118513778869,"sku":"BBRN-90901","price":55.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FS_90901_Fro.jpg?v=1775161882","url":"https:\/\/www.partcatalog.com\/products\/four-seasons-90901-hvac-heater-core-front","provider":"PartCatalog","version":"1.0","type":"link"}