This is a genuine OEM rear left side quarter panel window glass for the 2020-2023 Mazda CX-30. It is designed with tempered glass for durability and long-lasting use. The glass is specifically made for the rear quarter window of the vehicle, ensuring a perfect fit and easy installation. This item is not a vintage part, universal fitment, or performance part. It is a high-quality replacement part for the Mazda CX-30. If you need to replace your damaged or missing rear quarter window glass, this is the perfect product for you.