The product is a genuine OEM left driver side roll bar hydraulic cylinder for a 90-02 Mercedes R129 SL320 SL500 convertible. This high-quality part is manufactured in Germany by Mercedes-Benz, ensuring optimal performance and durability. The cylinder comes with a 90-day warranty and is designed to fit seamlessly into the vehicle, providing safety and support for the convertible top. Whether you are looking to replace a damaged cylinder or upgrade to a genuine OEM part, this product is a reliable choice for your Mercedes-Benz.