180 Degree Racing Thermostat Fits 2012 to 2016 JK Wrangler, Rubicon and Unlimited;2 and 4-door models;3.6L V6 Pentastar engine;Low activation temperature allows coolant to flow through the system earlier;Reduces and maintains lower engine coolant temperatures;Lifetime warranty JEEP WRANGLER (JK) RUBICON SAHARA SPORT UNLIMITED RUBICON UNLIMITED SAHARA UNLIMITED SPORT 2012 2013 2014 2015 2016 3.6L ERB (220) Pentastar GAS Mishimoto Mishimoto 180 Degree Racing Thermostat - MMTS-WRA-12 MMTS-WRA-12 Thermostats