What is the low beam headlight bulb size for a 1979 Buick Regal?

The 1979 Buick Regal uses a H6054 bulb for the low beam headlights. We recommend upgrading to LED for better visibility.

What is the high beam headlight bulb size for a 1979 Buick Regal?

The high beam bulb size for the 1979 Buick Regal is 194.

Why are my 1979 Buick Regal headlights dim?

Dim headlights on a 1979 Buick Regal can be caused by aging halogen bulbs, which lose brightness over time, or oxidation (cloudiness) on the plastic headlight lenses. Upgrading to a H6054 LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 1979 Buick Regal fog light?

The 1979 Buick Regal 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 1979 Buick Regal single or dual beam?

The 1979 Buick Regal uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

Can I install LED bulbs on my 1979 Buick Regal?

Yes, the 1979 Buick Regal comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a H6054 LED conversion kit for the low beams.

Did the 1979 Buick Regal change headlight bulb sizes from the previous year?

Yes — the 1979 Buick Regal uses different bulb sizes than the 1978 model. The 1979 generation introduced this bulb configuration.

Is the 1979 Buick Regal the first or last year to use H6054 bulbs?

The 1979 Buick Regal is the only year in the 1979 generation to use the H6054 bulb for the low beam headlight.

How do I change the headlight on a 1979 Buick Regal?

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 H6054 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 1979 Buick Regal?

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 H6054 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 1979 Buick Regal headlights?

A pair of halogen H6054 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 1979 Buick Regal?

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 H6054 position are available as direct plug-and-play replacements.

The 1979 Buick Regal has a unique bulb configuration not shared with adjacent model years.

Fitment Guaranteed for 1979 Buick Regal

What Size Bulbs Does a 1979 Buick Regal 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 1979 Buick Regal Have?

Owners of the 1979 Buick Regal will find a total of 10 lighting elements throughout the vehicle's exterior. It features a comprehensive lighting system powered by a dual-bulb halogen configuration using separate H6054 low beam and 194 high beam bulbs for precise light distribution. This model belongs to the early years of the Regal's 1973-2017 production span.

Can You Put LED Bulbs in a 1979 Buick Regal?

Upgrading to LED is one of the most effective ways to modernize your Buick's appearance and safety profile. We recommend starting your upgrade with the H6054 low beams, as they see the most use. Adding a matching 194 LED kit later will complete the look and ensure consistent lighting performance.

1979 Buick Regal Bulb Size Chart

Position	Bulb Size	Shop
Side Marker	194	Buy 194 →
Low Beam	H6054	Buy H6054 →
Turn Signal Front	1157A	Buy 1157A →
Reverse Light	1156	Buy 1156 →
Parking Light	1157A	Buy 1157A →
Tail Light	194	Buy 194 →
Brake Light	1157	Buy 1157 →
License Plate	194	Buy 194 →
Turn Signal Rear	1157	Buy 1157 →
High Beam	194	Buy 194 →

How do the 1979 Buick Regal's bulbs compare to other years?

The 1979 Buick Regal changed bulb sizes from 1978. The previous model year used a different configuration.

The 1980 model switched to a different bulb configuration.

This bulb configuration covers the 1979 model years. ← 1978 1980 →

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Other Regal Years

2017 2016 2015 2014 2013 2012 2011 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1988 1987 1986 1985 1984 1983 1982 1981 1980 1978 1977 1976 1975 1974 1973

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