Mishimoto Thermostat – for 2018+ Jeep Wrangler JL and 2020+ Gladiator (3.6L) with Aluminum Housing – 90C
Mishimoto Thermostat – for 2018+ Jeep Wrangler JL and 2020+ Gladiator (3.6L) with Aluminum Housing – 90C
Mishimoto Thermostat – for 2018+ Jeep Wrangler JL and 2020+ Gladiator (3.6L) with Aluminum Housing – 90C
Mishimoto Thermostat – for 2018+ Jeep Wrangler JL and 2020+ Gladiator (3.6L) with Aluminum Housing – 90C
Mishimoto Thermostat – for 2018+ Jeep Wrangler JL and 2020+ Gladiator (3.6L) with Aluminum Housing – 90C
Mishimoto Thermostat – for 2018+ Jeep Wrangler JL and 2020+ Gladiator (3.6L) with Aluminum Housing – 90C
Mishimoto Thermostat – for 2018+ Jeep Wrangler JL and 2020+ Gladiator (3.6L) with Aluminum Housing – 90C
Mishimoto Thermostat – for 2018+ Jeep Wrangler JL and 2020+ Gladiator (3.6L) with Aluminum Housing – 90C
Mishimoto Thermostat – for 2018+ Jeep Wrangler JL and 2020+ Gladiator (3.6L) with Aluminum Housing – 90C
Mishimoto Thermostat – for 2018+ Jeep Wrangler JL and 2020+ Gladiator (3.6L) with Aluminum Housing – 90C
Mishimoto Thermostat – for 2018+ Jeep Wrangler JL and 2020+ Gladiator (3.6L) with Aluminum Housing – 90C
Mishimoto Thermostat – for 2018+ Jeep Wrangler JL and 2020+ Gladiator (3.6L) with Aluminum Housing – 90C

Mishimoto Thermostat w/ Aluminum Housing - Jeep Wrangler JL / Gladiator 3.6L 2018+ (90°C)

Mishimoto SKU: MISMMTS-MOP-18E
Price
9% OFF
In Stock – Ready to Ship
Shipping calculated at checkout.

Mishimoto direct-fit thermostat for the 2018+ Jeep Wrangler JL, Gladiator and Ram 1500 3.6L Pentastar. It replaces the failure-prone factory plastic housing with a durable cast-aluminum unit and opens at the OEM-spec 90°C / 195°F to maintain correct operating temperature without affecting drivability or emissions. Backed by the Mishimoto Lifetime Warranty.

Specifications

Type Direct-fit thermostat w/ aluminum housing
Activation Temp 90°C / 195°F (OEM)
Engine 3.6L Pentastar V6
Includes Cast-aluminum housing
Application 2018+ Jeep Wrangler JL / Gladiator / Ram 1500 3.6L
Part Number MMTS-MOP-18E

This part fits:

Year Make Model Submodel
2016-2024 Dodge Durango SXT / GT / Citadel (3.6L)
2020-2025 Jeep Gladiator Sport / Overland / Rubicon / Mojave
2016-2022 Jeep Grand Cherokee Laredo / Limited / Overland / Trailhawk (3.6L)
2018-2025 Jeep Wrangler Sport / Sahara / Rubicon / Willys (incl. Unlimited)
2019-2026 Ram 1500 Tradesman / Big Horn / Lone Star / Laramie / Rebel (3.6L)

Shipping

  • In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
  • Standard, expedited, and overnight options at checkout.
  • Oversized items ship by freight and take longer.
  • Backordered items ship as soon as stock lands — contact us for lead times.
  • International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

  • 30-day returns on new, uninstalled items in original packaging with all hardware.
  • Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
  • Installed or used parts can’t be returned — confirm fitment before you install.
  • Special orders and custom items are final sale.
  • Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Refund Policy
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