Phillips H4666LLC1 Headlight Bulb - High Beam and Low Beam

Reliable Halogen Headlight Bulb for Select Vehicle Models

The Phillips H4666LLC1 headlight bulb offers dependable lighting performance for a range of vehicles including Chevrolet Blazer, Dodge Dakota, Honda Civic, and Toyota Tercel. Designed as a longer-lasting halogen bulb, it provides clear illumination for both high and low beam applications, meeting DOT and street-legal standards.

• Halogen technology with clear glass bulb and finish
• Compatible with high beam and low beam functions
• DOT approved and street legal for safe road use
• Single filament (C-6) with 65/45 wattage rating
• 12.8 volts operating voltage with 3 contact lug base
• Fits multiple makes and models including Chevrolet, Ford, Honda, and Toyota
• Part number H4666LLC1 for precise replacement

About the LongerLife - Single Commercial Pack Product Line

The Phillips LongerLife - Single Commercial Pack line focuses on delivering halogen bulbs engineered for extended service life and consistent performance. This product line is designed to reduce the frequency of bulb replacements in commercial and personal vehicles, making it suitable for drivers who require reliable exterior lighting. The H4666LLC1 bulb benefits from this focus by offering a sealed beam design that maintains brightness and durability over time.

Technical Details and Compatibility

The H4666LLC1 headlight bulb features a single C-6 filament housed in a clear glass bulb with a 3 contact lug base type. It operates at 12.8 volts with an amperage rating of 5.07 for high beam and 3.51 for low beam, delivering 65 watts on high beam and 45 watts on low beam. This halogen bulb is DOT approved and street legal, ensuring compliance with safety regulations. It is compatible with a variety of vehicles including Chevrolet Blazer, Dodge Dakota, Honda Civic, Toyota Tercel, Ford S10, and Pontiac Firebird among others.

Common Applications and Problem Solving

• Replacement for burnt-out or dim halogen headlight bulbs
• Improves visibility for high beam and low beam lighting needs
• Restores street-legal lighting compliance for affected vehicles
• Addresses flickering or inconsistent headlight performance
• Suitable for vehicles requiring a 3 contact lug base halogen bulb

Installation Notes and Tips

When installing the Phillips H4666LLC1 bulb, ensure the vehicle is turned off and the headlight assembly is cool to avoid injury. Handle the bulb by the base to prevent oils from fingers contaminating the glass, which can reduce bulb life. Verify the 3 contact lug base fits securely into the headlight socket. Consult the vehicle’s owner manual for specific removal and installation instructions related to models such as the Chevrolet Blazer or Honda Civic.

Quality Assurance and Warranty

Phillips manufactures the H4666LLC1 headlight bulb to meet strict quality standards, including DOT approval and street-legal certification. The LongerLife - Single Commercial Pack line emphasizes durability and consistent performance. While specific warranty details are not provided, Phillips products typically adhere to industry standards for reliability and manufacturing quality.