Yes the item will be just fine.
Fins are for airflow. Their purpose is to vibrate the tubes of the radiator and help push the fluid through the system.
Damage to them is nearly always cosmetic in nature.
If the damage is larger than the size of a quarter, you may want to send a picture. If the tubes are hit the item could potentially leak
Fin rakes can be purchased to straighten, but suggested method is to install and ignore.
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