Will this glass fit my existing mirror housing without any modifications?

Yes. This is built to OEM spec and mounts directly to your factory bracket using the same attachment points. No drilling or bracket work needed.

Do I need to prep or paint this before installing it?

It arrives ready to bolt on. Paint is not required unless you prefer to match a custom mirror frame finish—the glass itself does not need prep.

What if I need glass for both sides of my vehicle?

This is the left side only. Order the right side mirror glass separately if you need to replace both driver and passenger mirrors.