24 Vehicles

H4666 Bulb Fitment Guide

The H4666 bulb is used by 24 vehicles from 6 makes. Commonly found in Low Beam positions.

Positions

Low Beam

Vehicles

Makes

Compatible Vehicles

Model	Years	Positions	View
S-10	1994–1994	Low Beam	Details
Sprint	1989–1990	Low Beam	Details

Model	Years	Positions	View
Dakota	1993–1995	Low Beam	Details

Model	Years	Positions	View
Metro	1989–1996	Low Beam	Details

Model	Years	Positions	View
Capri	1993–1993	Low Beam	Details

Model	Years	Positions	View
Laser	1990–1990	Low Beam	Details

Model	Years	Positions	View
Firefly	1987–1997	Low Beam	Details

Frequently Asked Questions

The H4666 bulb is used by 24 vehicles from 6 makes including Chevrolet, Dodge, Geo, Mercury, Plymouth. Browse the full compatibility list below.

Yes, LED replacements are available for the H4666 bulb size. LED H4666 bulbs offer brighter output, longer lifespan, and lower power consumption compared to halogen.

The H4666 bulb is commonly used in these positions: Low Beam. The exact position depends on your vehicle's make and model.

Standard halogen H4666 bulbs typically cost $10–$30 for a pair. LED H4666 conversion kits range from $25–$60. Premium brands may cost more but often offer better performance and warranty.

All H4666 bulbs share the same base and fitment, but they vary in technology (halogen, LED, HID), brightness, color temperature, and brand quality. We recommend LED for the best balance of brightness and lifespan.

194 6,175 168 6,052 1156 5,620 921 4,381 1157 4,355 W5W 3,117 LED Bulb 2,612 DE3175 2,535

H4666 Bulb Fitment Guide

Compatible Vehicles

Chevrolet2 models

Dodge1 models

Geo1 models

Mercury1 models

Plymouth1 models

Pontiac1 models

Frequently Asked Questions

What vehicles use H4666 bulbs?

Can I replace H4666 with LED?

What positions use H4666 bulbs?

How much does a H4666 bulb cost?

Are all H4666 bulbs the same?

Related Bulb Types