Description
Ensure optimal engine temperature regulation in your Jeep Wrangler JK with the Mishimoto 12-18 Jeep Wrangler JK 3.6L Thermostat with Housing. Designed to prevent overheating and internal engine damage, this thermostat features an upgraded aluminum housing and galvanized steel bleeder screw for increased durability and reliable performance. The Mishimoto thermostat opens at a lower threshold of 180°F compared to the stock unit’s 203°F, allowing coolant to circulate earlier and helping to maintain cooler engine temperatures during demanding driving conditions or in warm climates. This enhancement can lead to improved engine efficiency and longevity, especially when towing, off-roading, or navigating high-temperature environments. Constructed with high-quality wax, the thermostat delivers consistent, repeatable operation and superior thermal control. As part of Mishimoto’s commitment to quality, this product includes a comprehensive lifetime warranty, ensuring peace of mind and long-term reliability for your vehicle.
Features:
- Allows coolant to flow through the system earlier (activates at 180°F vs. stock 203°F)
- Ideal for vehicles operating in warm climates or under extreme towing and driving conditions
- Reduces and maintains lower engine coolant temperatures for optimal engine performance
- Constructed with high-quality wax for reliable, consistent operation
- Includes durable aluminum housing and galvanized steel bleeder screw for longevity














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