{"product_id":"four-seasons-73478-hvac-blend-door","title":"Four Seasons 73478 HVAC Blend Door","description":"\u003ch2\u003eOverview of Four Seasons HVAC Blend Door Kit 73478\u003c\/h2\u003e\u003cp\u003eThe Four Seasons HVAC Blend Door Kit 73478 is a precise replacement part designed for Ford and Mercury vehicles, including the Explorer, Explorer Sport Trac, and Mountaineer models. This blend door controls the mix of hot and cold air within the HVAC system to maintain the desired cabin temperature.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eReplacement HVAC blend door for temperature control\u003c\/li\u003e\n\u003cli\u003eCompatible with Ford Explorer, Explorer Sport Trac, and Mercury Mountaineer\u003c\/li\u003e\n\u003cli\u003eDurable plastic construction measuring 8.25 inches in length and 5.75 inches in height\u003c\/li\u003e\n\u003cli\u003ePart number 73478 ensures exact fit and function\u003c\/li\u003e\n\u003cli\u003eWidth of 0.625 inches for proper integration within HVAC assembly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description and Specifications\u003c\/h2\u003e\u003cp\u003eThis HVAC blend door from Four Seasons is crafted from sturdy plastic material, providing reliable performance and longevity. The component measures 8.25 inches (210 mm) in length, 5.75 inches (146 mm) in height, and 0.625 inches (15.87 mm) in width, dimensions that ensure compatibility with the HVAC systems of select Ford and Mercury vehicles. The blend door functions by regulating airflow between the heater core and the air conditioning evaporator, allowing precise temperature control inside the vehicle cabin.\u003c\/p\u003e\u003ch2\u003eAbout the HVAC Blend Door Kit Product Line\u003c\/h2\u003e\u003cp\u003eThe HVAC Blend Door Kit product line by Four Seasons focuses on replacement components that restore proper temperature control functionality in vehicle HVAC systems. This line includes blend doors engineered to meet OEM specifications, ensuring seamless integration and consistent climate control performance. The 73478 part is part of this line, designed specifically for Ford Explorer, Explorer Sport Trac, and Mercury Mountaineer models.\u003c\/p\u003e\u003ch2\u003eCommon Issues Resolved by This Blend Door\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eInconsistent cabin temperature due to blend door failure\u003c\/li\u003e\n\u003cli\u003eUnresponsive HVAC temperature controls\u003c\/li\u003e\n\u003cli\u003eUnusual noises from the HVAC system when adjusting temperature\u003c\/li\u003e\n\u003cli\u003eAirflow stuck on hot or cold settings\u003c\/li\u003e\n\u003cli\u003eReduced HVAC system efficiency and comfort\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure vehicle compatibility with Ford Explorer, Explorer Sport Trac, or Mercury Mountaineer before installation\u003c\/li\u003e\n\u003cli\u003eCarefully remove the old blend door to avoid damaging surrounding HVAC components\u003c\/li\u003e\n\u003cli\u003eVerify the new blend door’s dimensions (8.25\" x 5.75\" x 0.625\") match the original part\u003c\/li\u003e\n\u003cli\u003eFollow manufacturer guidelines for reassembly to maintain proper HVAC function\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eFour Seasons manufactures the HVAC Blend Door Kit 73478 to meet industry standards for durability and performance. The plastic construction is designed to withstand typical HVAC system conditions. While specific warranty details are not provided here, Four Seasons products generally come with a limited warranty covering defects in material and workmanship.\u003c\/p\u003e","brand":"Four Seasons","offers":[{"title":"Default Title","offer_id":44610648178869,"sku":"BBRN-73478","price":105.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FS_73478_Fro.jpg?v=1775069990","url":"https:\/\/www.partcatalog.com\/products\/four-seasons-73478-hvac-blend-door","provider":"PartCatalog","version":"1.0","type":"link"}