If you are asking about the OP's new (7 months ago) wheels, I think they are OEM.
Something like these:
Something like these:
New Avalanche Tahoe Suburban Wheel Polished 20 inch LTZ OEM GM Style Chevy 5308 | eBay
New Polished Finish LTZ 20" Wheel for. All Chevrolet Suburban and Tahoe from 2000 through 2020. Note that vehicle must have 6-lug hubs. NOTE: This is a polished finish rim which has a shine - not painted which looks like paint and has sparkle in it.
www.ebay.com
