What is the low beam headlight bulb size for a 1986 Toyota Corolla?

The 1986 Toyota Corolla uses a 9004 bulb for the low beam headlights. We recommend upgrading to LED for better visibility.

What is the high beam headlight bulb size for a 1986 Toyota Corolla?

The high beam bulb size for the 1986 Toyota Corolla is N/A.

Why are my 1986 Toyota Corolla headlights dim?

Dim headlights on a 1986 Toyota Corolla can be caused by aging halogen bulbs, which lose brightness over time, or oxidation (cloudiness) on the plastic headlight lenses. Upgrading to a 9004 LED conversion kit can provide a significantly brighter and whiter light output.

Which bulb fits the 1986 Toyota Corolla fog light?

The 1986 Toyota Corolla 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 1986 Toyota Corolla single or dual beam?

The 1986 Toyota Corolla uses a dual bulb headlight system. This means you have separate bulbs for high and low beams.

Can I install LED bulbs on my 1986 Toyota Corolla?

Yes, the 1986 Toyota Corolla comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a 9004 LED conversion kit for the low beams.

Did the 1986 Toyota Corolla change headlight bulb sizes from the previous year?

Yes — the 1986 Toyota Corolla uses different bulb sizes than the 1985 model. The 1986 generation introduced this bulb configuration.

Is the 1986 Toyota Corolla the first or last year to use 9004 bulbs?

The 1986 Toyota Corolla is the only year in the 1986 generation to use the 9004 bulb for the low beam headlight.

How do I change the headlight on a 1986 Toyota Corolla?

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 9004 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 1986 Toyota Corolla?

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 9004 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 1986 Toyota Corolla headlights?

A pair of halogen 9004 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 1986 Toyota Corolla?

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 9004 position are available as direct plug-and-play replacements.

The 1986 Toyota Corolla has a unique bulb configuration not shared with adjacent model years.

Fitment Guaranteed for 1986 Toyota Corolla

What Size Bulbs Does a 1986 Toyota Corolla 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 1986 Toyota Corolla Have?

The 1986 Toyota Corolla utilizes a refined lighting configuration featuring 9 distinct bulb positions. It features a comprehensive lighting system powered by a dual-bulb halogen configuration using separate 9004 low beam and high beam bulbs for precise light distribution. This model belongs to the mid years of the Corolla's 1968-2022 production span.

Can You Put LED Bulbs in a 1986 Toyota Corolla?

For a Toyota 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 9004 low beams, as they see the most use. Adding a matching LED kit later will complete the look and ensure consistent lighting performance.

1986 Toyota Corolla Bulb Size Chart

Position	Bulb Size	Shop
Low Beam	9004	Buy 9004 →
Turn Signal Front	1157	Buy 1157 →
Reverse Light	1156	Buy 1156 →
Side Marker	194	Buy 194 →
Brake Light	1156	Buy 1156 →
Turn Signal Rear	1156	Buy 1156 →
Parking Light	1157	Buy 1157 →
Tail Light	1157	Buy 1157 →
Trunk Light	168	Buy 168 →

How do the 1986 Toyota Corolla's bulbs compare to other years?

The 1986 Toyota Corolla changed bulb sizes from 1985. The previous model year used a different configuration.

The 1988 model switched to a different bulb configuration.

This bulb configuration covers the 1986 model years. ← 1985 1988 →

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