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

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

Marsoni

M251S

$109.95

Get it in 3 business days with 1 day shipping. Friday, May 29

Mishimoto 11+ Ford 6.7L Powerstroke High-Temperature Primary Cooling Sys ThermostatSKU: 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 221F versus stock 195F to support efficient engine

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Have had a funky smell for a while in my car. Air fresheners just couldn't quite cover it up. I pulled the old filter out which was reallll caked up with stuff and got the new one in. Not only is the funky smell finally gone, but the HVAC is a lot quieter when on full blast, and it blows the air harder. It fit great, installation was easy, and having the smell gone makes it worth absolutely every penny.

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Reviewed in the United States on April 24, 2026

Verified Purchase

Devlin

Battle Creek, US

★★★★★ 5

happy engine. good mileage

Color: CA9683

Fit my 05 Tacoma great! Have had good response with the engine and it's acceleration. Fuel mileage is back on par. Will buy again!

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Reviewed in the United States on October 18, 2025

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