If you need to replace the outer rear view mirror on your KIA Optima (or K5 2020+ models), this genuine OEM part is exactly what you're looking for. The part number 87621-L2030 ensures perfect fitment and compatibility with your vehicle - no guessing or modifications required. BIG TIGER PARTS is a reliable supplier with physical stock of over 100,000 auto parts, so you know you're getting quality and service. The part comes in genuine OEM retail packaging and is completely new - not refurbished or used. This is the exact same mirror holder assembly that came with your car originally, so the quality and performance match what KIA intended. Installation should be straightforward if you're comfortable with basic automotive repairs, or any mechanic can handle it quickly. The satisfaction guarantee means you can buy with confidence knowing you're getting the right part for your vehicle. Having the correct OEM part ensures everything lines up perfectly, the electrical connections fit properly if your mirrors are powered, and the finish matches your vehicle's aesthetics. Much better than aftermarket alternatives that might not fit quite right or last as long. Keep your KIA looking and functioning perfectly with this genuine replacement part that delivers OEM quality and reliability.