The Carquest 4157LL Bulb is a long-life dual-filament automotive bulb designed for tail lights, brake lights, and turn signals. Its dual-filament design delivers both low and high intensity light output for combined functions in a single bulb, improving visibility and safety on the road. The ¿LL¿ (Long Life) specification means the bulb is engineered to withstand frequent on-off cycles and road vibration, extending its service life and minimizing replacement frequency. Compatible with standard 12V automotive electrical systems, the 4157LL provides dependable, bright illumination for critical vehicle lighting applications.

Product Features:

• OEM specification miniature bulb for direct replacement
• Enhanced filament design provides extended service life
• Provides bright and reliable illumination for dual lighting functions
• Durable tungsten filaments resist shock vibration
• Reliable performance in standard 12V automotive electrical systems
• Maintains clear signaling to meet road safety requirements