Hey Scotty! I recently installed a crankshaft pulley (harmonic balancer), and a belt tensioner from AutoZone for my 2002 Camry 2.4L. After everything was installed, the belt now has too much tension (I had already installed this new belt a few weeks back and it was a little tight but manageable to install), and I'm afraid that all the pulleys may now have premature wear because of the belt being too tight. I am not sure whether I should just keep driving it like that or buy an OEM belt from the Toyota dealer.
PARTS (All purchased from AutoZone):
Harmonic Balancer - DORMAN
Belt Tensioner - DURALAST
Serpentine Belt - DURALAST
Re-check all your part numbers to make sure they are for your vehicle. Mistakes happen
Did you check the tension against specification using a tension gauge? Serpentine belts do need to be tighter than you might think.
https://www.amazon.com/Gates-91132-Belt-Tension-Tester/dp/B000CRDLZM
Are you sure you have the correct belt for your particular vehicle? It might have been mislabeled. Is the tensioner correctly installed and working correctly?