2019 Ram oil concerns

Gamedog said

I will be using Redline 5W-30 when I perform my first oil change on my 5th gen Power Wagon.

That being said, if I were in your shoes, I'd stick with whatever FCA is giving you that complies with your extended warranty. They will find any reason to NOT cover something under warranty if they find what they interpret as the "cuplrit" (aka NOT the oil they recommend).

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That Red Line is a great product, but for the exact reasons you stated, I wouldn't use it in a vehicle under warranty. It carries virtually no OEM licenses or certifications, certainly not Mopar. To get those licenses, they would have to change their formula, which would compromise the nature of the product.
For oil with OEM certifications, Red Line introduced their Professional Series. It's a fine product, but overpriced by 100% compared to other premium OEM certified oils. Good luck to you with whatever you choose!