The Brake Fluid Reservoir Cap for Aprilia motorcycles is a genuine OEM part with the manufacturer part number AP8113553. This cap is designed to fit the brake fluid reservoir on specific Aprilia models, ensuring proper sealing and maintenance of the braking system. Made by the original equipment manufacturer, this cap guarantees quality and compatibility with your vehicle. Ideal for replacing a worn or damaged reservoir cap, this product is essential for keeping your motorcycle's braking system in top condition.