ACDelco L1157 Dual Filament Signal Bulb

The ACDelco L1157 is a GM Original Equipment multi-purpose light bulb designed and engineered to meet rigorous standards set by General Motors. This incandescent bulb features a dual-filament design that allows it to perform multiple lighting functions, making it ideal for tail lights, brake lights, turn signals, and marker lights.

Key Features:

• Dual-filament incandescent design operating at 12V DC with 21W/5W output (brake/turn and tail/marker)
• BA15D base featuring two bottom contacts for dual filament operation, allowing it to perform two functions such as running and brake lights
• GM-recommended replacement part for your GM vehicle's original factory component
• Manufactured to GM OE specifications, ensuring proper fit, form, and function
• Wedge-base design offers easy installation and reliable performance

This bulb provides illumination for visibility and convenience, offering the quality, reliability, and durability of GM OE. ACDelco light bulbs are quality direct-fit replacements available in incandescent design with clear construction. The 1157 designation indicates a standard automotive bulb size that is widely compatible across many vehicle makes and models.