This product is a high-quality throttle body assembly designed specifically for Buick vehicles with the OE/OEM part number 12615516. It is not a universal fitment part, ensuring a perfect fit for your vehicle. This top-quality throttle body is essential for optimal air and fuel delivery in your car or truck, providing reliable performance and efficiency. Built to last, this part is a great addition to any vehicle in need of a new throttle body assembly.