{"product_id":"kpalag-engine-coolant-thermostat-for-ford-4-6l-5-4l-6-2l-192-f-opening-brass-shell-with-o-ring","title":"KPALAG Engine Coolant Thermostat for Ford 4.6L\/5.4L\/6.2L – 192°F Opening, Brass Shell with O-ring","description":"\u003cp\u003e\u003cstrong\u003eKPALAG Engine Coolant Thermostat is a direct-fit replacement thermostat assembly with O-ring engineered to open at 192°F for Ford 4.6L, 5.4L and 6.2L engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis thermostat assembly delivers a precise thermal response using a paraffin expansion element inside a brass shell, stainless steel internals, and a machined guide to replace worn factory units. It comes complete with an O-ring and cross-references common part numbers so you can restore proper coolant flow and engine warm-up behavior on compatible Ford trucks, vans and SUVs.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this thermostat control engine temperature?\u003c\/h3\u003e\n\u003cp\u003eThe KPALAG unit uses a paraffin-filled sensing element that expands predictably when it reaches its calibrated activation point. That expansion drives a piston to open the valve and allow coolant circulation, maintaining engine operating temperature without electronic controls.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOpening temperature calibrated to 192°F for consistent warm-up\u003c\/li\u003e\n  \u003cli\u003eParaffin expansion element provides steady, repeatable movement\u003c\/li\u003e\n  \u003cli\u003eMechanical piston-driven valve avoids electrical failure modes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and construction improve reliability?\u003c\/h3\u003e\n\u003cp\u003eThis thermostat pairs a brass outer shell and guide with stainless steel piston, spring frame and bridge components to resist corrosion and accelerate heat transfer. The robust materials mean faster response to temperature changes and longer service life compared with lower-grade replacements.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBrass shell and guide for quick heat conduction\u003c\/li\u003e\n  \u003cli\u003eStainless steel internals for strength and corrosion resistance\u003c\/li\u003e\n  \u003cli\u003ePrecision assembly reduces sticking and improves seal life\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles and part numbers does it replace?\u003c\/h3\u003e\n\u003cp\u003eThe KPALAG assembly is designed as a direct-fit for many Ford V8 4.6L, 5.4L and 6.2L applications across trucks, vans and SUVs. It lists common replacement numbers to help confirm compatibility before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits F-150, F-250, F-350 Super Duty, Expedition, Explorer, Mustang and more\u003c\/li\u003e\n  \u003cli\u003eCompatible years include F-250\/F-350 (1999–2020), F-150 (1997–2014), E-Series vans (2003–2014), Excursion (2000–2005)\u003c\/li\u003e\n  \u003cli\u003eReplaces RT1254 and 7L3Z-8575-E reference numbers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the box and how easy is installation?\u003c\/h3\u003e\n\u003cp\u003eEach package contains the thermostat assembly and an O-ring for a complete seal; installation follows the factory procedure and typically requires standard hand tools and coolant handling precautions. Because it’s a mechanical, direct-fit part, the swap is straightforward for DIYers or technicians familiar with the vehicle cooling system.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes 1 thermostat assembly and 1 O-ring\u003c\/li\u003e\n  \u003cli\u003eDirect-fit design reduces modification or machining needs\u003c\/li\u003e\n  \u003cli\u003eWorks with existing coolant hoses and housing on compatible models\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Drivers and mechanics who need a dependable, OEM-style thermostat for Ford 4.6L, 5.4L and 6.2L engines—especially owners of F-150, Super Duty, Expedition, Explorer, Mustang and E-Series vans looking for a long-lasting mechanical replacement. Choose the KPALAG thermostat when you want a corrosion-resistant brass body, stainless steel internals, and a paraffin-based sensing element calibrated to open at 192°F, supplied with a sealing O-ring and cross-referenced part numbers for easy fitment verification.\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: What temperature does this thermostat open at?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It opens at 192°F, using a paraffin expansion element for consistent activation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the package include a seal?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The package contains one thermostat assembly plus one O-ring for sealing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"KPALAG","offers":[{"title":"Default Title","offer_id":48084541800606,"sku":"B0GMG1MVKT","price":31.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/kpalag-thermostat-front-assembly.jpg?v=1785859245","url":"https:\/\/northtrailauto.ca\/products\/kpalag-engine-coolant-thermostat-for-ford-4-6l-5-4l-6-2l-192-f-opening-brass-shell-with-o-ring","provider":"North Trail Auto","version":"1.0","type":"link"}