The Carquest 7443 Bulb is a high-performance dual-filament automotive bulb designed for tail lights, brake lights, and turn signal applications. Offering both low and high beam functions in one unit, it delivers bright, reliable illumination for enhanced vehicle visibility and safety. Constructed with durable tungsten filaments, the 7443 bulb withstands shock, vibration, and frequent cycling, ensuring long-lasting service life. Compatible with standard 12V automotive electrical systems, it provides dependable performance essential for vehicle lighting compliance.