Mishimoto replacement thermostat with aluminum housing for 2018+ Jeep Wrangler JL and 2020+ Gladiator 3.6L Pentastar restores durable temperature control by replacing the factory plastic housing with cast aluminum. Calibrated to match OEM operation, the thermostat opens at 195°F (90°C) to maintain proper engine operating temperature, supporting drivability, emissions, and fuel economy. Built with premium wax for consistent action, the unit eliminates a common leak point and is backed by Mishimoto’s Lifetime Warranty.
Mishimoto 2018+ Jeep Wrangler JL / 2020+ Gladiator (3.6L) Thermostat w/ Aluminum Housing - 90C