What is the low beam headlight bulb size for a 1990 Mazda RX7?

The 1990 Mazda RX7 uses a H6054 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 1990 Mazda RX7?

The high beam bulb size for the 1990 Mazda RX7 is 158.

Why are my 1990 Mazda RX7 headlights dim?

Dim headlights on a 1990 Mazda RX7 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 LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 1990 Mazda RX7 fog light?

The 1990 Mazda RX7 uses a H3 LED bulb for the fog light position.

Is the 1990 Mazda RX7 single or dual beam?

The 1990 Mazda RX7 uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

Can I install LED bulbs on my 1990 Mazda RX7?

Yes, the 1990 Mazda RX7 comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a H6054 LED LED conversion kit for the low beams.

Does the 1990 Mazda RX7 have fog lights?

Yes, the 1990 Mazda RX7 takes a H3 LED bulb for the fog light position.

Did the 1990 Mazda RX7 change headlight bulb sizes from the previous year?

No — the 1990 Mazda RX7 uses the same bulb sizes as the 1989 model. This configuration has been consistent across the 1988–1991 generation.

How do I change the headlight on a 1990 Mazda RX7?

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 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 1990 Mazda RX7?

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 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 1990 Mazda RX7 headlights?

A pair of halogen H6054 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 1990 Mazda RX7?

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

The 1990 Mazda RX7 shares its bulb sizes with the 1988–1991 generation.

Fitment Guaranteed for 1990 Mazda RX7

What Size Bulbs Does a 1990 Mazda RX7 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 1990 Mazda RX7 Have?

Owners of the 1990 Mazda RX7 will find a total of 13 lighting elements throughout the vehicle's exterior. It features an extensive lighting system powered by a dual-bulb halogen configuration using separate H6054 LED low beam and 158 high beam bulbs for precise light distribution. This model belongs to the mid years of the RX7's 1979-1995 production span.

Can You Put LED Bulbs in a 1990 Mazda RX7?

Upgrading to LED is one of the most effective ways to modernize your Mazda's appearance and safety profile. We recommend starting your upgrade with the H6054 LED low beams, as they see the most use. Adding a matching 158 LED kit later will complete the look and ensure consistent lighting performance. Don't forget the H3 LED fog lights; switching these to LED can dramatically improve your visibility in adverse weather.

1990 Mazda RX7 Bulb Size Chart

Position	Bulb Size	Shop
Low Beam	H6054 LED	Buy H6054 LED →
High Beam	158	Buy 158 →
Fog Light	H3 LED	Buy H3 LED →
Brake Light	1156 LED	Buy 1156 LED →
Side Marker	194 LED	Buy 194 LED →
Turn Signal Front	1157 LED	Buy 1157 LED →
Turn Signal Rear	1156 LED	Buy 1156 LED →
Dome Light	168 or DE3175	Buy 168 or DE3175 →
License Plate	168 or 89	Buy 168 or 89 →
Map Light	168	Buy 168 →
Parking Light	1157	Buy 1157 →
Reverse Light	1156	Buy 1156 →
Trunk Light	DE3022	Buy DE3022 →

How do the 1990 Mazda RX7's bulbs compare to other years?

The 1990 Mazda RX7 uses the same bulbs as the 1989 model.

The 1991 model continues with the same bulb sizes.

This bulb configuration covers the 1988–1991 model years. ← 1989 1991 →

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Other RX7 Years

1995 1994 1993 1991 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979

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