Will this fit my existing mirror housing without any modification?

Yes. This lens is designed to bolt into your factory mirror assembly using OE mounting points—no drilling, cutting, or adapters needed. It's a straight swap.

Do I need to remove the entire mirror from the door to replace the glass?

In most cases, yes. You'll need to remove the mirror assembly from the door first, then swap out the glass inside the housing. Your vehicle's service manual will walk you through the disassembly steps.

What if I need both left and right mirror glass?

Order this left-side lens and add the matching right-side lens to your cart. They're sold separately so you only buy what you need.