Thermostat fail, new part is redesign.

[Sletcher]

Just a heads up; 14,600 miles and the thermostat failed. I ordered a new thermostat from a Ford Dealer and upon examination the two are different. Verified the part number on the Motorcraft bag (BR3Z-8575-G) so I installed it with a new gasket. Works like a charm. I forgot to take a picture of the new, but here is the old for reference:

Edit: searched and found a similar pic to the installed part. Plastic piece and overall design Is accurate.

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[galaxy]

What were your symptoms? How did you know you had a problem, and that the stat failed?

 

[Sletcher]

Car wouldn’t come up to temp so it threw a code. Can’t remember which one, but basically the engine was below it’s normal operating temp because the thermostat failed open.

 

[DCShelby]

I think you mean it failed in the open position, so the coolant was always going through the radiator. Hence it would not warm up properly.

 

[Sletcher]

Isn’t that what I said?

 

[galaxy]

Isn’t that what I said?

That's what I thought you said, LOL. Thanks for following up.

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