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Performance Jeeps deserve Jeep performance parts. Keep temperatures under control in your rock-crawling 2012-2018 Jeep Wrangler 3.6L with the Mishimoto 2012-2018 Jeep Wrangler 3.6L Racing Thermostat. A faulty thermostat can result in engine overheating and potential internal damage. Protect your Pentastar by upgrading to the Mishimoto low-temperature thermostat. This 2012-2018 Jeep Wrangler 3.6L thermostat opens at a lower temperature 180F compared to the stock unit 203F which allows coolant to flow through the system earlier. By doing so this thermostat will reduce and maintain lower engine coolant temperatures making it ideal for use in warm climates or under extreme driving/towing conditions. All our 2012-2018 Jeep Wrangler 3.6L thermostats are constructed using high-quality wax for reliable repeatable operation.