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Mishimoto Mishimoto 11+ Ford 6.7L Powerstroke High-Temperature Primary Cooling Sys Thermostat
Mishimoto Mishimoto 11+ Ford 6.7L Powerstroke High-Temperature Primary Cooling Sys Thermostat
Mishimoto Mishimoto 11+ Ford 6.7L Powerstroke High-Temperature Primary Cooling Sys Thermostat
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Mishimoto 11+ Ford 6.7L Powerstroke High-Temperature Primary Cooling Sys Thermostat

Mishimoto
MISMMTS-F2D-11H
748354015690
Thermostats
20+ Units In Stock - Ships Next Business Day
$ 121.00 $ 109.95
$ 109.95

SKU: MMTS-F2D-11H | UPC: 748354015690

Mishimoto 2011-2021 Ford Super Duty 6.7L Powerstroke High-Temperature Primary Cooling System Thermostat

The Mishimoto high-temperature thermostat upgrades the primary cooling system on 2011-2021 Ford F-250, F-350, F-450, and F-550 Super Duty trucks equipped with the 6.7L Powerstroke diesel engine. It replaces the OEM unit with a higher opening temperature of 221°F versus stock 195°F to support efficient engine operation and reduce overheating risks. This direct-fit part delivers consistent temperature control for daily driving or tuned applications.

Key Features

  • Higher Opening Temperature: Activates at 221°F (105°C) to maintain ideal coolant temps and cut fan run time
  • Direct-Fit Design: Bolt-on replacement matches OEM specs with no vehicle modifications needed
  • Brass Housing: Corrosion-resistant build withstands high-pressure diesel cooling demands
  • Stainless Steel Spring: Ensures reliable operation and extended service life
  • Included O-Ring Seal: Provides leak-proof installation for immediate performance gains

Product Notes

  • For primary cooling system only, pair with secondary thermostat for complete upgrade
  • Ideal for stock trucks or those with intercooler and radiator enhancements
  • Direct OEM replacement with precise inlet/outlet sizing at 1.38 inches

Installation Notes

  • Professional installation recommended.
  • Complete replacement in 15-30 minutes using basic tools
  • Retains factory hardware and mounting locations

This Part Fits

Year Make Model Submodel
2011-2021 Ford F-250 Super Duty King Ranch
2011-2021 Ford F-250 Super Duty Lariat
2018-2021 Ford F-250 Super Duty Limited
2013-2021 Ford F-250 Super Duty Platinum
2011-2021 Ford F-250 Super Duty XL
2011-2021 Ford F-250 Super Duty XLT
2011-2021 Ford F-350 Super Duty King Ranch
2011-2021 Ford F-350 Super Duty Lariat
2018-2021 Ford F-350 Super Duty Limited
2013-2021 Ford F-350 Super Duty Platinum
2011-2021 Ford F-350 Super Duty XL
2011-2021 Ford F-350 Super Duty XLT
2011-2013 Ford F-450 Super Duty King Ranch
2011-2013 Ford F-450 Super Duty Lariat
2013 Ford F-450 Super Duty Platinum
2011-2013 Ford F-450 Super Duty XL
2011-2013 Ford F-450 Super Duty XLT
2011-2013 Ford F-550 Super Duty Lariat
2011-2013 Ford F-550 Super Duty XL
2011-2013 Ford F-550 Super Duty XLT

Why Choose Mishimoto?

  • Proven track record in diesel performance cooling
  • Lifetime warranty covers manufacturing defects
  • Engineered and tested for real-world durability

Frequently Asked Questions

  • Q: Does this thermostat fit 2018-2021 F-250 Limited models with 6.7L?
    A: Yes, it installs directly on all listed 2011-2021 Super Duty submodels including Limited, King Ranch, Lariat, Platinum, XL, and XLT
  • Q: What materials are used in construction?
    A: Brass body paired with stainless steel spring resists corrosion and handles diesel cooling pressures
  • Q: What warranty coverage is provided?
    A: Lifetime warranty protects against defects in materials and workmanship under normal use

Shipping & Handling

  • Method: UPS Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Protective box 6.5 x 5.25 x 1.5 inches
  • Weight: 0.7 lbs shipping weight

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