This is a remanufactured A/C compressor kit from R&Y A/C Compressors, designed to fit vehicles like the Buick Regal, Chevy Lumina, Monte Carlo, and Oldsmobile Intrigue.
The part number is EG987, and it crosses to CO 20452C and 57987.

It's remanufactured, meaning it's been fully disassembled, cleaned, inspected, and rebuilt with new or rebuilt components.

It's functionally equivalent to a new compressor.
The kit likely includes the compressor itself and maybe other components?
Usually these kits come with the compressor and sometimes a clutch or other parts, but check the listing.

It comes with a 6-month manufacturer warranty.
If your A/C is blowing warm air or the compressor is locked up, this could be your fix.
It's a direct replacement for the original.

Made by R&Y, a known remanufacturer.
It's not new, but it's rebuilt to like-new condition.
Great for keeping costs down while still getting a reliable part.

Installation should be done by a professional, and you'll want to flush the system and replace the receiver/drier.
Get your A/C blowing cold again with this remanufactured EG987 compressor kit.