Availability: 6 in stock
This is a negative cable from GM, factory part number 85524606.
Varies by build: XT6 and With start/stop.
Corrosion at a mounting face is worth cleaning back before fitting anything new, because a part that sits on scale will work loose.
Confirm the number before you order, because a near match will bolt on and still be wrong. Send the VIN if the old marking has gone.