What is the low beam headlight bulb size for a 1994 Chevrolet S-10?

The 1994 Chevrolet S-10 uses a H4666 bulb for the low beam headlights. We recommend upgrading to LED for better visibility.

What is the high beam headlight bulb size for a 1994 Chevrolet S-10?

The high beam bulb size for the 1994 Chevrolet S-10 is 9005.

Why are my 1994 Chevrolet S-10 headlights dim?

Dim headlights on a 1994 Chevrolet S-10 can be caused by aging halogen bulbs, which lose brightness over time, or oxidation (cloudiness) on the plastic headlight lenses. Upgrading to a H4666 LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 1994 Chevrolet S-10 fog light?

The 1994 Chevrolet S-10 typically does not come with factory fog lights in all trim levels. If your vehicle is equipped with them, check the manual as sizes can vary by trim.

Is the 1994 Chevrolet S-10 single or dual beam?

The 1994 Chevrolet S-10 uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

Can I install LED bulbs on my 1994 Chevrolet S-10?

Yes, the 1994 Chevrolet S-10 comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a H4666 LED conversion kit for the low beams.

Did the 1994 Chevrolet S-10 change headlight bulb sizes from the previous year?

Yes — the 1994 Chevrolet S-10 uses different bulb sizes than the 1993 model. The 1994 generation introduced this bulb configuration.

Is the 1994 Chevrolet S-10 the first or last year to use H4666 bulbs?

The 1994 Chevrolet S-10 is the only year in the 1994 generation to use the H4666 bulb for the low beam headlight.

How do I change the headlight on a 1994 Chevrolet S-10?

Turn off the vehicle and open the hood. Locate the headlight assembly from behind, remove the dust cover or retaining clip, disconnect the wiring harness, twist the old H4666 bulb counter-clockwise to remove it, then insert the new bulb and reassemble. The whole process typically takes 10 to 30 minutes per side depending on accessibility.

Are LED headlights legal for a 1994 Chevrolet S-10?

LED bulbs used off-road or in auxiliary lights are legal everywhere. For on-road headlight use, legality varies by state. Many states allow LED retrofits as long as the beam pattern meets DOT standards. For the best legal compliance, choose a DOT-approved H4666 LED kit that is designed as a direct replacement and produces a proper cutoff pattern without excessive glare.

How much does it cost to replace 1994 Chevrolet S-10 headlights?

A pair of halogen H4666 bulbs costs $15 to $40, while LED conversion kits run $25 to $60 per pair. If you have a shop do the work, expect an additional $20 to $50 in labor per bulb. Replacing them yourself at home saves the labor cost and usually takes under 30 minutes.

What is the difference between halogen and LED for a 1994 Chevrolet S-10?

Halogen bulbs produce a warm yellow light (around 3200K), last 500 to 1000 hours, and draw more power. LED bulbs emit a brighter white light (5000-6000K), last 25,000+ hours, and use less energy. LED upgrades for the H4666 position are available as direct plug-and-play replacements.

The 1994 Chevrolet S-10 has a unique bulb configuration not shared with adjacent model years.

Fitment Guaranteed for 1994 Chevrolet S-10

What Size Bulbs Does a 1994 Chevrolet S-10 Use?

Correct headlight, fog light, and tail light bulb sizes. Sourced from OEM catalog data.

Installation Difficulty

Easy (Plug and Play)

Est. Replacement Cost

$15 - $40 (Halogen) / $30+ (LED)

What Lighting System Does the 1994 Chevrolet S-10 Have?

The 1994 Chevrolet S-10 utilizes a refined lighting configuration featuring 11 distinct bulb positions. It features an extensive lighting system powered by a dual-bulb halogen configuration using separate H4666 low beam and 9005 high beam bulbs for precise light distribution. This model belongs to the mid years of the S-10's 1982-2004 production span.

Can You Put LED Bulbs in a 1994 Chevrolet S-10?

For a Chevrolet built for the road and trail, LED upgrades provide the high-contrast lighting needed for better obstacle detection. We recommend starting your upgrade with the H4666 low beams, as they see the most use. Adding a matching 9005 LED kit later will complete the look and ensure consistent lighting performance.

1994 Chevrolet S-10 Bulb Size Chart

Position	Bulb Size	Shop
Turn Signal Front	3157CK	Buy 3157CK →
Low Beam	H4666	Buy H4666 →
Side Marker	194	Buy 194 →
High Beam	9005	Buy 9005 →
Brake Light	3057	Buy 3057 →
Reverse Light	3057	Buy 3057 →
Parking Light	3157CK	Buy 3157CK →
Turn Signal Rear	3157CK	Buy 3157CK →
Tail Light	3157CK	Buy 3157CK →
License Plate	194	Buy 194 →
Map Light	194	Buy 194 →

How do the 1994 Chevrolet S-10's bulbs compare to other years?

The 1994 Chevrolet S-10 changed bulb sizes from 1993. The previous model year used a different configuration.

The 1995 model switched to a different bulb configuration.

This bulb configuration covers the 1994 model years. ← 1993 1995 →

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Other S-10 Years

2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982

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