{"product_id":"mishimoto-thermostat-for-jeep-wrangler-jk-3-6l-2012-2018-194-f-aluminum-housing-bleeder-screw","title":"Mishimoto Thermostat for Jeep Wrangler JK 3.6L (2012–2018) — 194°F Aluminum Housing, Bleeder Screw","description":"\u003cstrong\u003eMishimoto’s MMTS-WRA-12E thermostat with aluminum housing replaces the factory unit on 2012–2018 Jeep Wrangler JK 3.6L engines and opens at 194°F for reliable coolant flow.\u003c\/strong\u003e\n\n\u003cp\u003eIf your Wrangler’s thermostat is sticking, leaking, or causing temperature spikes, swapping in a purpose-built replacement restores consistent engine temperature control. Mishimoto engineered this direct-fit assembly to combine the approved 194°F opening point with a rugged aluminum housing and a service-friendly bleeder screw, eliminating common failure points found in older plastic housings and worn thermostats.\u003c\/p\u003e\n\n\u003ch3\u003eWhat makes this Mishimoto thermostat different from the stock part?\u003c\/h3\u003e\n\u003cp\u003eThis assembly matches the OEM opening temperature while upgrading materials and serviceability. The one-piece aluminum housing resists warping and cracking over time, and the metal bleeder screw creates a tighter seal during coolant fill and maintenance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAluminum housing for improved heat resistance and longevity\u003c\/li\u003e\n\u003cli\u003eMetal bleeder screw for easier and cleaner bleeding\u003c\/li\u003e\n\u003cli\u003eRigid one-piece construction to reduce leak points\u003c\/li\u003e\n\u003cli\u003eWax-element thermostat calibrated to open at 194°F\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does installation fit into routine maintenance?\u003c\/h3\u003e\n\u003cp\u003eDesigned as a direct replacement for the Jeep Wrangler JK 3.6L, the Mishimoto unit installs using the same bolt pattern and coolant connections as the OEM piece. This means less modification and a straightforward swap during a coolant service or thermostat failure repair.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDirect-fit to 2012–2018 Wrangler JK 3.6L engines\u003c\/li\u003e\n\u003cli\u003eNo custom adapters or modifications required\u003c\/li\u003e\n\u003cli\u003eIncludes bleeder screw to simplify purging air from the cooling system\u003c\/li\u003e\n\u003cli\u003eWorks with standard coolant and hoses used on your vehicle\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this thermostat improve durability and reduce leaks?\u003c\/h3\u003e\n\u003cp\u003eYes — the upgraded aluminum housing and single-piece construction lower the chance of cracks and gasket failures that commonly affect plastic housings. The robust metal components and quality wax element give repeatable operation and better long-term sealing compared with worn factory parts.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAluminum reduces risk of heat-related deformation\u003c\/li\u003e\n\u003cli\u003eSingle-piece design minimizes gasket surfaces and leak paths\u003c\/li\u003e\n\u003cli\u003eMetal bleeder screw resists corrosion and threads wear\u003c\/li\u003e\n\u003cli\u003eHigh-quality wax element ensures consistent opening behavior\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow will this affect engine temperature behavior?\u003c\/h3\u003e\n\u003cp\u003eThe thermostat opens at the factory-specified 194°F, so temperature management stays within the manufacturer’s intended range while replacing a failing component. Restoring proper thermostat operation prevents overheating and helps maintain efficient warm-up times and heater performance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaintains OEM target opening temperature (194°F)\u003c\/li\u003e\n\u003cli\u003eHelps prevent overheating caused by a stuck-closed thermostat\u003c\/li\u003e\n\u003cli\u003eSupports consistent warm-up and cabin heating performance\u003c\/li\u003e\n\u003cli\u003eImproves coolant flow control compared to degraded thermostats\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This Mishimoto MMTS-WRA-12E thermostat with housing is aimed at Jeep Wrangler JK owners (2012–2018) who need a dependable direct-replacement part during a thermostat failure or routine cooling-system refresh. It’s a good fit for DIY mechanics, shop technicians, and off-road enthusiasts who want a longer-lasting housing, easier bleeding, and OEM-temperature operation without modifying the vehicle’s cooling strategy.\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: Does this thermostat match the factory opening temperature?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The Mishimoto MMTS-WRA-12E opens at the OEM-specified 194°F for the 3.6L Wrangler JK.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the housing more durable than the stock plastic housing?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The upgraded aluminum housing resists warping and cracking better than the original plastic unit.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Mishimoto","offers":[{"title":"Default Title","offer_id":48080484827294,"sku":"B0F475RYBH","price":139.93,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/mishimoto-thermostat-front-view_c0feb5bb-873c-4801-856d-f54c3b5e705e.jpg?v=1785781915","url":"https:\/\/northtrailauto.ca\/products\/mishimoto-thermostat-for-jeep-wrangler-jk-3-6l-2012-2018-194-f-aluminum-housing-bleeder-screw","provider":"North Trail Auto","version":"1.0","type":"link"}