What is the low beam headlight bulb size for a 1984 Mazda 626?

The 1984 Mazda 626 uses a 4652 LED bulb for the low beam headlights. We recommend upgrading to LED for better visibility.

What is the high beam headlight bulb size for a 1984 Mazda 626?

The high beam bulb size for the 1984 Mazda 626 is 4652 LED.

Why are my 1984 Mazda 626 headlights dim?

Dim headlights on a 1984 Mazda 626 can be caused by aging halogen bulbs, which lose brightness over time, or oxidation (cloudiness) on the plastic headlight lenses. Upgrading to a 4652 LED LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 1984 Mazda 626 fog light?

The 1984 Mazda 626 uses a LED Fog Light bulb for the fog light position.

Is the 1984 Mazda 626 single or dual beam?

The 1984 Mazda 626 uses a single bulb (dual filament) headlight system. This means one bulb controls both high and low beams.

Can I install LED bulbs on my 1984 Mazda 626?

Yes, the 1984 Mazda 626 comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a 4652 LED LED conversion kit for the low beams.

Does the 1984 Mazda 626 have fog lights?

Yes, the 1984 Mazda 626 takes a LED Fog Light bulb for the fog light position.

Did the 1984 Mazda 626 change headlight bulb sizes from the previous year?

Yes — the 1984 Mazda 626 uses different bulb sizes than the 1983 model. The 1984–1985 generation introduced this bulb configuration.

Is the 1984 Mazda 626 the first or last year to use 4652 LED bulbs?

The 1984 Mazda 626 is the first year in the 1984–1985 generation to use the 4652 LED bulb for the low beam headlight.

How do I change the headlight on a 1984 Mazda 626?

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 4652 LED 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 1984 Mazda 626?

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 4652 LED 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 1984 Mazda 626 headlights?

A pair of halogen 4652 LED 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 1984 Mazda 626?

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 4652 LED position are available as direct plug-and-play replacements.

The 1984 Mazda 626 is the first model year to use this bulb configuration (1984–1985).

Fitment Guaranteed for 1984 Mazda 626

What Size Bulbs Does a 1984 Mazda 626 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 1984 Mazda 626 Have?

Owners of the 1984 Mazda 626 will find a total of 12 lighting elements throughout the vehicle's exterior. It features an extensive lighting system powered by a halogen-based setup where a single 4652 LED dual-filament bulb handles both low and high beam duties within the same reflector. This model belongs to the early years of the 626's 1980-2002 production span.

Can You Put LED Bulbs in a 1984 Mazda 626?

Upgrading to LED is one of the most effective ways to modernize your Mazda's appearance and safety profile. Since your 626 uses a single 4652 LED bulb for both high and low beams, ensure your chosen LED kit is "dual-beam" compatible. This allows the LED circuitry to mimic the two-filament design of the original halogen bulb. Don't forget the LED Fog Light fog lights; switching these to LED can dramatically improve your visibility in adverse weather.

1984 Mazda 626 Bulb Size Chart

Position	Bulb Size	Shop
Low Beam	4652 LED	Buy 4652 LED →
High Beam	4652 LED	Buy 4652 LED →
Fog Light	LED Fog Light	Buy LED Fog Light →
Brake Light	LED Brake Light Assembly	Buy LED Brake Light Assembly →
Turn Signal Front	1157 LED	Buy 1157 LED →
Side Marker	67 LED	Buy 67 LED →
Turn Signal Rear	1157 LED	Buy 1157 LED →
Dome Light	DE3175	Buy DE3175 →
License Plate	89	Buy 89 →
Parking Light	1157	Buy 1157 →
Reverse Light	N/A	Buy N/A →
Trunk Light	LED Light	Buy LED Light →
Tail Light	1157	Buy 1157 →

How do the 1984 Mazda 626's bulbs compare to other years?

The 1984 Mazda 626 changed bulb sizes from 1983. The previous model year used a different configuration.

The 1985 model continues with the same bulb sizes.

This bulb configuration covers the 1984–1985 model years. ← 1983 1985 →

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Other 626 Years

2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1983 1982 1981 1980

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