84021239
https://www.gmpartsnow.com/oem-parts...YtMmwtdjgtZ2Fz
It's weird. One part says this:
Manufacturer:
GM
Part Number:
84021239
Part:
Automatic Transmission Oil Cooler Hose Assembly
But, then product detail says this:
Product Details
Positions:
Left
Other Names:
Pipe
Description:
Underbody Pipe and Hose Assy. Left. Differential Cooling.
Left is the driver's side.
No pic. I even tried google search for images. Also, it's off a '16, but that shouldn't matter.