The Carquest 2357 Bulb is a dual-filament automotive bulb designed for exterior signal lighting applications, including tail lights, brake lights, and turn signals. Its dual-filament construction provides both low-intensity running light and high-intensity brake or turn signal functions within a single bulb, ensuring optimal visibility and safety. Constructed with durable tungsten filaments, the 2357 bulb withstands frequent on-off cycles, vibration, and road shocks, delivering reliable and long-lasting performance. Compatible with standard 12V automotive electrical systems, the Carquest 2357 is a dependable choice for critical vehicle signaling.