Skip to main content
Fitment Guaranteed for 1970 Toyota Corona

What Size Bulbs Does a 1970 Toyota Corona 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 1970 Toyota Corona Have?

The 1970 Toyota Corona features a comprehensive lighting system with 10 bulb positions. It uses halogen technology with a single 4000 LED dual-filament bulb handling both low and high beams. The Corona has been available from 1969 to 1979, and the 1970 model falls in the early-generation years.

Can You Put LED Bulbs in a 1970 Toyota Corona?

Upgrading the 1970 Toyota Corona to LED headlights is straightforward since it uses a single 4000 LED dual-filament bulb for both low and high beams. You only need one pair of LED bulbs to upgrade both functions. Look for a 4000 LED LED kit that specifically supports dual-filament operation to ensure both beams work correctly. For the fog lights, a LED Fog Light LED bulb provides a clean white output that pairs well with LED headlights.

How to Replace Bulbs on a 1970 Toyota Corona

To remove the headlight bulb, disconnect the wiring harness, then twist the bulb counter-clockwise and pull it straight out of the housing. Older model years like the 1970 Corona typically offer easy access to the headlight bulbs from behind the headlight assembly under the hood. Most owners can complete the swap in under 10 minutes per side. When installing the new bulb, avoid touching the glass with bare fingers. Skin oils create hot spots that shorten bulb life. Wear clean gloves or handle the bulb by its plastic base only. The fog lights are accessed from underneath the front bumper. You may need to remove a few plastic clips or screws from the fender liner to reach the LED Fog Light fog light socket.

Full Upgrade Bundle

Upgrade All 11 Positions at Once

Low Beam: 4000 LEDHigh Beam: 4000 LEDFog Light: LED Fog LightBrake Light: Brake Light AssemblyTurn Signal Front: 1157 LEDTurn Signal Rear: 1157 LEDReverse Light: N/ADome Light: DE3175License Plate: 89Parking Light: 1157Trunk Light: LED Light
Shop Complete LED Kit
Installation Guide
Open in YouTube →

How Long Do 1970 Toyota Corona Headlight Bulbs Last?

Standard halogen headlights on the 1970 Toyota Corona have an expected lifespan of 500 to 1,000 hours, which works out to roughly 2 to 3 years of normal use. Signs of a failing halogen bulb include noticeably dimmer output, a yellowish tint compared to the other headlight, or intermittent flickering. At 56 years old, the original bulbs on your Corona are likely overdue for replacement. Even if they still illuminate, reduced brightness significantly impacts nighttime safety. When one headlight burns out, replace both sides at the same time. Bulbs from the same batch age at similar rates, and mismatched brightness is distracting to oncoming drivers.

What Bulbs Are Compatible with the 1970 Toyota Corona?

The 4000 low beam bulb on the 1970 Toyota Corona is a specific fitment. There are no widely recognized cross-compatible alternatives, so make sure to purchase the exact 4000 size. Using the wrong bulb size can cause improper beam patterns that reduce your visibility and blind other drivers. It can also cause overheating inside the headlight housing, potentially warping the plastic lens or reflector. Always verify the bulb number before purchasing.

1970 Toyota Corona Headlight FAQ

The 1970 Toyota Corona uses a 4000 LED bulb for the low beam headlights. We recommend upgrading to LED for better visibility.

The high beam bulb size for the 1970 Toyota Corona is 4000 LED.

The 1970 Toyota Corona uses a single bulb (dual filament) headlight system. This means one bulb controls both high and low beams.

Yes, the 1970 Toyota Corona comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a 4000 LED LED conversion kit for the low beams.

Yes, the 1970 Toyota Corona takes a LED Fog Light bulb for the fog light position.

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 4000 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.

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 4000 LED LED kit that is designed as a direct replacement and produces a proper cutoff pattern without excessive glare.

A pair of halogen 4000 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.

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 4000 LED position are available as direct plug-and-play replacements.

Did Toyota Corona Bulb Sizes Change Over the Years?

Over its production run from 1969 to 1979, the Toyota Corona has seen bulb size changes in the Low Beam, High Beam and Side Marker positions. The 1970 model uses the earlier bulb specification that was in place before the change around 1978. Always verify the exact bulb size for your specific 1970 model year using the chart above, as using the wrong size can result in poor fitment or reduced light output.

Other Corona Years

Other Vehicles That Use 4000 LED Bulbs

These vehicles from other makes also use a 4000 LED low beam bulb: