{"product_id":"llnseauto-thermostat-housing-kit-ford-explorer-mercury-2002-2010-4-0l-with-sensor-oe-fit","title":"LLNSEAUTO Thermostat Housing Kit — Ford Explorer \u0026 Mercury 2002–2010 4.0L with Sensor, OE Fit","description":"\u003cp\u003e\u003cstrong\u003eLLNSEAUTO Thermostat Housing Kit with temperature sensor is a direct-fit replacement that restores proper coolant flow and temperature monitoring on 2002–2010 Ford Explorer and Mercury Mountaineer V6 4.0L engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your Explorer or Mountaineer is showing cooling system warnings, fluctuating cabin heat, or higher-than-normal idle temperatures, the thermostat housing and its integrated sensor are common wear points. This kit supplies a replacement housing plus a temperature sensor with O-ring and clip engineered to match OEM mounting points and electrical connections, helping you avoid leaks and inaccurate temperature readings.\u003c\/p\u003e\n\n\u003ch3\u003eWhat components are included and how do they match my vehicle?\u003c\/h3\u003e\n\u003cp\u003eThe kit contains one thermostat housing and one temperature sensor pre-fitted with an O-ring and retention clip. It is designed to line up with factory bolt locations and connector types for a straightforward swap on compatible vehicles.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes: 1x thermostat housing, 1x temp sensor with O-ring and clip\u003c\/li\u003e\n  \u003cli\u003eDesigned to match OEM fitment and fastener positions for 4.0L V6 engines\u003c\/li\u003e\n  \u003cli\u003eElectrical connector and sensor thread size intended for plug-and-play replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich model years and OE numbers does this fit?\u003c\/h3\u003e\n\u003cp\u003eThis assembly fits a range of Ford and Mercury models equipped with the 4.0L V6 engine. Refer to OE references to confirm compatibility against your vehicle’s original part number.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible models: Ford Explorer (2002–2010), Explorer Sport Trac (2007–2010), Mercury Mountaineer (2002–2010)\u003c\/li\u003e\n  \u003cli\u003eCommon OE numbers: 2L2E9K478BA, 2L2Z8592AA, 2L2Z8592BA, 2L2Z8592BB, 2L5E9K478BA, 6L2Z8592FA, 902-860, RH148, SK121091\u003c\/li\u003e\n  \u003cli\u003eConfirm part number against your vehicle’s under-hood label or service manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow will this kit affect cooling performance and reliability?\u003c\/h3\u003e\n\u003cp\u003eReplacing a worn housing and faulty sensor helps preserve coolant circulation and improves engine temperature feedback to the vehicle’s control systems. The new O-ring and clip reduce leak risk where the sensor seats, and a proper housing seal prevents external coolant loss.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores sealed coolant passage to prevent external leaks\u003c\/li\u003e\n  \u003cli\u003eFresh sensor improves temperature reading accuracy to the ECU\u003c\/li\u003e\n  \u003cli\u003eDurable housing material resists cracking and heat cycling\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation and what should I prepare?\u003c\/h3\u003e\n\u003cp\u003eInstallation is moderate and typically within the skill set of experienced DIYers or professional technicians. You’ll need basic hand tools, a drain pan to capture coolant, and a replacement coolant or top-up to refill and bleed the system after installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTools: ratchet, sockets, screwdrivers, coolant catch pan\u003c\/li\u003e\n  \u003cli\u003ePlan to drain partial coolant, replace the housing, then refill and bleed air pockets\u003c\/li\u003e\n  \u003cli\u003eRecommended to inspect surrounding hoses and clamps during replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this kit is for: Owners and technicians maintaining 2002–2010 Ford Explorer, Explorer Sport Trac, or Mercury Mountaineer vehicles with the 4.0L V6 who need an OE-compatible thermostat housing and temperature sensor. Choose this LLNSEAUTO kit if you want a direct-fit replacement that includes the sensor, O-ring and clip, a detailed OE reference list for verification, and a 1-year satisfaction warranty to back the purchase.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this thermostat housing fit my 2005 Ford Explorer 4.0L?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — this LLNSEAUTO kit fits 2002–2010 Explorer 4.0L models; verify against your OE number for exact match.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit include the temperature sensor and seal?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the kit includes the thermostat housing, temperature sensor, O-ring and retention clip.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"LLNSEAUTO","offers":[{"title":"Default Title","offer_id":67591479197881,"sku":"B0D14BZXD4","price":62.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/llnseauto-thermostat-housing-front-view.jpg?v=1790552665","url":"https:\/\/redleafauto.ca\/products\/llnseauto-thermostat-housing-kit-ford-explorer-mercury-2002-2010-4-0l-with-sensor-oe-fit","provider":"Redleaf Auto","version":"1.0","type":"link"}