{"product_id":"spectra-99318-hvac-heater-core-front","title":"Spectra 99318 HVAC Heater Core - Front","description":"\u003ch2\u003eSpectra 99318 HVAC Heater Core for Toyota Sienna\u003c\/h2\u003e\u003cp\u003eSpectra 99318 is an HVAC heater core for 2004-2006 Toyota Sienna front applications. It is built to match the performance expectations of the original equipment unit it replaces, with manufacturing controls focused on fit, function, and consistency.\u003c\/p\u003e\u003cp\u003eFor drivers searching for a 2004-2006 Toyota Sienna front heater core replacement, this Spectra unit provides a direct-fit solution for restoring cabin heat performance. The Spectra Premium 99318 is also a common cross-reference for related aftermarket listings under the same application.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement HVAC heater core for front installation\u003c\/li\u003e\n\u003cli\u003eFits 2004-2006 Toyota Sienna, front\u003c\/li\u003e\n\u003cli\u003eBuilt with engineering and quality control standards aimed at OE-level performance\u003c\/li\u003e\n\u003cli\u003eSupports proper coolant-to-air heat transfer inside the HVAC system\u003c\/li\u003e\n\u003cli\u003ePart number 99318 for easy catalog matching\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThe Spectra 99318 heater core is designed for the front HVAC system in the Toyota Sienna across the 2004, 2005, and 2006 model years. If your vehicle has weak cabin heat, uneven temperature output, or a leaking heater core, this replacement helps restore normal heater operation. This part cross-references APDI 9010495 for the same application.\u003c\/p\u003e\u003cp\u003eUse this heater core when servicing a 2004-2006 Toyota Sienna front heater core replacement and you need a part that aligns with the original equipment layout. The Spectra 99318 name appears in aftermarket catalogs as a direct reference for this fitment.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Fix\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLoss of cabin heat\u003c\/li\u003e\n\u003cli\u003eCoolant odor inside the vehicle\u003c\/li\u003e\n\u003cli\u003eFogging from a leaking heater core\u003c\/li\u003e\n\u003cli\u003eUneven or reduced airflow heat output\u003c\/li\u003e\n\u003cli\u003eCoolant seepage in the HVAC housing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eFits 2004-2006 Toyota Sienna, front. Confirm the vehicle’s HVAC configuration and compare the original heater core before installation. Drain and refill coolant as required during service, and inspect hoses, clamps, and seals for wear while the system is open.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eSpectra Premium states that its engineering, manufacturing technology, and quality control are used to help heater cores meet or exceed the performance of the original equipment they replace. Part number 99318 is cataloged for OE-style replacement use in the Toyota Sienna front HVAC system.\u003c\/p\u003e","brand":"Spectra","offers":[{"title":"Default Title","offer_id":52832335823029,"sku":"BCNK-99318","price":69.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SQ_99318_Fro.jpg?v=1784701043","url":"https:\/\/www.partcatalog.com\/products\/spectra-99318-hvac-heater-core-front","provider":"PartCatalog","version":"1.0","type":"link"}