Sea-Dog Line 441057-1 Replacement Light Bulb #57 12V Bayonet Base

The Sea-Dog Line 441057-1 is a general purpose incandescent replacement bulb designed for marine lighting applications. This #57 bulb features a bayonet base design for quick installation and secure fit in compatible fixtures.

Key Features:

• Nickel-plated brass base provides superior corrosion resistance in harsh marine environments
• Bayonet base design ensures positive electrical contact and reliable operation
• Heavy-duty glass bulb housing resists breakage from vibration and impact
• Reinforced filament construction delivers extended service life
• 12.8V DC operation ideal for marine 12-volt electrical systems
• Sold in convenient 2-pack cards for replacements

Perfect for navigation lights, cabin lights, instrument panels, and other marine lighting applications where reliable illumination is essential. The corrosion-resistant construction makes this bulb particularly well-suited for the demanding saltwater environment.