OEM 2016-2018 GM ECM Engine Control Module Unit 84059812

This is an ad for a OEM 2016-2018 GM Engine Control Module.

Part Number: 84059812


New Old Stock. Never Used Or Installed. Please Review The Pictures! Product Does NOT Come In Original Packaging!
I Can Not Find What Models This ECM Is For, Any Input Is Useful! 

Please Review The Pictures Provided!