engine sounds

Howdy all, I'm having a loud squeak or chirping sound coming from the engine of my 2004 4.0 Wrangler. I've taken the belt off and verified it's not a belt or pulley issue. The chirp begins the moment the engine starts and is synced with the rpms. It makes the sound in idle and while driving...

I attached two videos of my jeep. Both videos are at the same time but just a sound comparison. I also took off the belt so that way there weren’t any other sounds or noises from the parts all moving. I did an engine swap in January from a local you-pull-it. The motor itself has 120000 miles on...