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Motorad 7426-190 Fail-Safe Thermostat 190 °F Engine Coolant Thermostat Fits Dodge Ram 2500 98–23 3500 98–23 4000 06–13 4500 08-23 5500 08-23 Ford F-650 -10 F-750 10-12

Free shipping on orders over $29.99

$22.42

$ 9 .99 $9.99

In Stock

About this item

  • This part fits many vehicle years, makes and models. Please verify fitment with Amazon ConfirmedFit
  • Fits Select DODGE: Ram 2500 98-23, 3500 98-23, 4000 06-13, 4500 08-23, 5500 08-23
  • Fits Select FORD: F-650 -10, F-750 10-12


Motorad 7426-190 Fail-Safe Thermostat, 190 °F (Part Number: 7426-190)
Compatible with the Following Vehicles:
Fits Select DODGE: Ram 2500 98-23, 3500 98-23, 4000 06-13, 4500 08-23, 5500 08-23 | FORD: F-650 -10, F-750 10-12


David S Williams
2025-09-02 15:17:25
Runs hotter than factory, if you live in a cold climate 👍👍
tony
2025-08-19 14:52:33
EASY REPLACEMENT AND OEM PERFORMANCE FOR A FRACTION OF THE PRICE
F18Dman
2025-05-18 14:38:13
Swapped this out while I was changing the water pump on my 3500. Temperature stabilizes exactly where the OEM thermostat did. Funny thing was that the water pump I got from Amazon was only about 10 bucks more than the thermostat. Time will tell for both but if you only need to swap out a thermostat on a 5.9 Cummins, it is super easy. Plenty of help on youtube.
Daryl K.
2025-04-17 15:44:59
Easily installed and I have heat now
Gene M.
2025-03-27 13:29:32
Looks like a factory replacement
Ana Bautista
2025-03-01 14:11:59
Stopped working after a month. It was stuck shut in making my truck overheat since I just replaced it. I didn’t think that was the problem but I got one from O’Reillys. I never returned so I installed that one and it worked perfectly. Do not buy this crap.
garry l.
2025-02-15 16:41:29
Product is as advertised
Ted Hall
2024-12-21 11:34:01
Love it great product!
terry
2024-12-14 12:31:36
200km into my trip after installing this thermostat as preventative maintenance, I stop for lunch and what happens when I hit the road again? It gets stuck in the closed position and I overheat. WTF? Thanks for leaving me stranded on the side of the highway. I wish I never replaced it in the first place or used another brand. Never again.
Good thermostat, did not come with gasket
2024-12-07 12:32:01
Good thermostat but did not come with the gasket
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