Phillips H4666CVC1 Headlight Bulb - High Beam and Low Beam

Bright White Halogen Headlight Upgrade

The Philips CrystalVision Ultra headlight bulb is built for drivers who want a cleaner white road beam without giving up street-legal lighting performance. This Philips CrystalVision Ultra - Single Commercial Pack bulb uses halogen technology with a blue-coated glass finish to deliver a more modern look for sealed beam headlamp applications.

Compatible With vehicles such as the Chevrolet Blazer, Ford Probe, Geo Metro, Pontiac Firebird, and Toyota Tercel, this H4666CVC1 headlight bulb is a direct lighting solution for high beam and low beam use where the correct sealed beam configuration is required.

Key Features

• Halogen headlight bulb with CrystalVision sealed beam construction
• Bright white light output for improved nighttime visibility
• Blue-coated bulb color with clear finish for a cleaner appearance
• DOT approved and street legal
• High beam and low beam beam type
• 12.8-volt electrical rating with 65/45 watt output
• Glass bulb material with C-6 filament type
• Bulb base type: 3 contact lugs

Product Details

Phillips CrystalVision Ultra is part of a lighting line focused on drivers who want to personalize exterior lighting while maintaining road-use compliance. This sealed beam headlight bulb combines a white-forward beam pattern with halogen reliability, making it a practical choice for older vehicles that use sealed beam headlamps. The H4666CVC1 part number is commonly searched for replacement needs on applications such as the Chevrolet S10, GMC Jimmy, Pontiac Firebird, and Saturn SC2.

This part cross-references Philips 28157 and H6545BLN for the same application.

What This Bulb Helps Address

• Dull or aged sealed beam headlight output
• Yellow-looking factory lighting on older vehicles
• Reduced nighttime road visibility from worn bulbs
• Need for a street-legal lighting replacement
• Replacement needs for high beam and low beam sealed beam headlamps

Installation Notes and Fitment Tips

Verify the headlamp style before ordering, since this bulb is listed for vehicles with sealed beam headlamps in specific applications. Confirm the bulb base type, beam type, and voltage match the original equipment specification before installation. Fits 1995-1997 Chevrolet Blazer, high beam and low beam; fits 1994-1997 Chevrolet S10, high beam and low beam; fits 1993-1997 Ford Probe, high beam and low beam; fits 1989-1997 Geo Metro, high beam and low beam; fits 1995-1997 GMC Jimmy, high beam and low beam; fits 1994-1997 GMC Sonoma, high beam and low beam; fits 1991-1997 Pontiac Firebird, high beam and low beam; fits 1993-1996 Saturn SC2, high beam and low beam; fits 1988-1994 Toyota Tercel, high beam and low beam; fits 1984-1985 Honda Civic, high beam and low beam.

Additional fitment includes 1991-1995 Dodge Dakota, 1991-1994 Mercury Capri, 1991-1993 Dodge Stealth, 1991-1993 Mitsubishi 3000GT, 1991-1992 Dodge Caravan, 1991-1992 Saturn SC, 1987-1991 Chrysler Daytona, 1987-1991 Dodge Daytona, 1990-1991 Mitsubishi Eclipse, 1990-1991 Plymouth Laser, 1987-1990 Dodge Dakota, 1987-1988 Dodge Shadow, 1987-1988 Plymouth Sundance, 1989-1992 Chevrolet Sprint, 1992 Chevrolet Metro, and 1995-1997 Pontiac Firebird and Pontiac Firefly applications noted for sealed beam or fog light use where specified.

Quality Assurance

Philips lighting products are built to meet DOT approval requirements and street-legal use standards for the listed applications. The CrystalVision Ultra line is positioned for drivers seeking a brighter white appearance while maintaining halogen lighting performance and road compliance.