{"product_id":"four-seasons-91546-hvac-heater-core","title":"Four Seasons 91546 HVAC Heater Core","description":"\u003ch2\u003eOverview of Four Seasons Heater Core 91546\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Heater Core 91546 is designed to restore efficient heating performance in select Buick, Cadillac, Oldsmobile, and Pontiac vehicles. This aluminum heater core provides reliable heat transfer and meets or exceeds OEM specifications for a precise fit and function.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCore dimensions: 7 inches length, 7.25 inches width, 2 inches thickness\u003c\/li\u003e\n\u003cli\u003eConstructed from durable aluminum for effective heat dissipation\u003c\/li\u003e\n\u003cli\u003eCore depth and height both measure 2.0 inches and 7.0 inches respectively\u003c\/li\u003e\n\u003cli\u003eTube sizes: 0.625 inch (15.875 mm) and 0.75 inch (19.05 mm)\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple GM models including Buick Century, Cadillac Eldorado, and Pontiac GTO\u003c\/li\u003e\n\u003cli\u003eMeets or exceeds original equipment manufacturer (OEM) standards\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFour Seasons Heater Core Product Line Details\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Heater Core product line focuses on delivering replacement heater cores that maintain the original heating system’s performance and reliability. The Heater Core line uses quality materials such as aluminum to ensure efficient heat transfer and corrosion resistance. Part number 91546 is part of this line, engineered specifically for select GM vehicles to provide a direct fit and restore proper HVAC function.\u003c\/p\u003e\u003ch2\u003eProduct Specifications and Features\u003c\/h2\u003e\u003cp\u003eThis aluminum heater core features a compact design with a core width of 7.25 inches and a height of 7 inches, making it suitable for tight engine compartments. The core thickness of 2 inches and depth of 2 inches allow for effective coolant flow and heat exchange. The two inlet\/outlet tubes measure 0.625 inch and 0.75 inch in diameter, ensuring compatibility with factory HVAC hose connections. The fixed pipe positioning means the heater core installs without the need for adjustment, simplifying replacement.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBuick Century and LeMans models\u003c\/li\u003e\n\u003cli\u003eCadillac Eldorado, Seville, and Toronado\u003c\/li\u003e\n\u003cli\u003eOldsmobile Cutlass, Cutlass Supreme, and Custom Cruiser\u003c\/li\u003e\n\u003cli\u003ePontiac Grand Am, Grand LeMans, Grand Prix, and GTO\u003c\/li\u003e\n\u003cli\u003eDesigned to replace original heater cores in these vehicles to restore heating system efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the cooling system is drained before removing the old heater core\u003c\/li\u003e\n\u003cli\u003eVerify hose sizes match the 0.625 inch and 0.75 inch tube diameters for proper fit\u003c\/li\u003e\n\u003cli\u003eHandle the aluminum core carefully to avoid damage during installation\u003c\/li\u003e\n\u003cli\u003eCheck for leaks after installation and refill the cooling system as needed\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eThe Four Seasons Heater Core 91546 meets or exceeds OEM standards, ensuring reliable performance and durability. Manufactured with corrosion-resistant aluminum, this heater core is built to withstand typical operating conditions. While specific warranty details are not provided, Four Seasons products generally come with a limited warranty against defects in materials and workmanship.\u003c\/p\u003e","brand":"Four Seasons","offers":[{"title":"Default Title","offer_id":52019501858997,"sku":"BBRN-91546","price":54.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FS_91546_Ang.jpg?v=1775070886","url":"https:\/\/www.partcatalog.com\/products\/four-seasons-91546-hvac-heater-core","provider":"PartCatalog","version":"1.0","type":"link"}