I've had my truck in for warranty work multiple times since I swapped the cluster, the radio, the steering wheel, the audio controls, the factory/non factory backup camera mod and many more. Not a bit of trouble with any of them. The EVIC cluster is a cosmetic part. It is not storing anything that pertains to your warranty whatsoever.
Odometer fraud is another story and I made the service I used put my cluster ahead so that I could install it when the mileage rolled up to match.
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