BlueBird BLBH4666 Sealed Beam Headlight Bulb 4x6 Rectangular

The BlueBird BLBH4666 is a sealed beam headlight bulb designed for automotive applications requiring a 4x6 inch rectangular headlight replacement. This halogen headlight bulb follows the H4666 standard specification commonly used in trucks, commercial vehicles, and classic cars.

Key Features:

• Sealed beam halogen construction for reliable performance
• 4x6 inch rectangular design (100mm x 165mm)
• Dual filament design for high and low beam operation
• 12.8V operating voltage with 65W high beam and 45W low beam
• Three contact lug base for secure mounting
• DOT and SAE compliant for on-road use
• Direct replacement for H4668, H6545, and compatible sealed beam applications

This sealed beam headlight provides dependable illumination for improved nighttime visibility and road safety. The halogen technology delivers bright, white light output while maintaining long service life. Designed as a direct replacement part requiring no modifications for installation.