Genuine OEM Mazda Halogen Headlight Bulb, part number 997033551. This is an H15 type bulb operating at 12 volts and 55 watts, designed to provide illumination for your vehicle's headlights. Replacing bulbs with genuine OEM parts ensures the correct brightness, color temperature, and beam pattern required for safe driving visibility and compliance with lighting regulations. Always match the part number for correct fitment.