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Fitment Guaranteed for 1984 Mazda RX7

What Size Bulbs Does a 1984 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 1984 Mazda RX7 Have?

The 1984 Mazda RX7 features an extensive lighting system with 12 bulb positions. It uses halogen technology with a single 6014 LED dual-filament bulb handling both low and high beams. The RX7 has been available from 1979 to 1995, and the 1984 model falls in the mid-generation years.

Can You Put LED Bulbs in a 1984 Mazda RX7?

Upgrading the 1984 Mazda RX7 to LED headlights is straightforward since it uses a single 6014 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 6014 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 1984 Mazda RX7

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 1984 RX7 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 12 Positions at Once

Low Beam: 6014 LEDHigh Beam: 6014 LEDFog Light: LED Fog LightBrake Light: LED Brake Light AssemblySide Marker: 194 LEDTurn Signal Front: 1157 LEDTurn Signal Rear: 1156 LEDDome Light: DE3021License Plate: 89Parking Light: 1157Reverse Light: 1156Trunk Light: LED Light
Shop Complete LED Kit

1984 Mazda RX7 Complete Bulb Size Chart

PositionBulb SizeShop
Low Beam
6014 LEDBuy 6014 LED
High Beam
6014 LEDBuy 6014 LED
Fog Light
LED Fog LightBuy LED Fog Light
Brake Light
LED Brake Light AssemblyBuy LED Brake Light Assembly
Side Marker
194 LEDBuy 194 LED
Turn Signal Front
1157 LEDBuy 1157 LED
Turn Signal Rear
1156 LEDBuy 1156 LED
Dome Light
DE3021Buy DE3021
License Plate
89Buy 89
Parking Light
1157Buy 1157
Reverse Light
1156Buy 1156
Trunk Light
LED LightBuy LED Light

Want to upgrade everything at once?

Shop Complete LED Kit for 1984 Mazda RX7
Installation Guide
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How Long Do 1984 Mazda RX7 Headlight Bulbs Last?

Standard halogen headlights on the 1984 Mazda RX7 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 42 years old, the original bulbs on your RX7 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 1984 Mazda RX7?

The 6014 low beam bulb on the 1984 Mazda RX7 is a specific fitment. There are no widely recognized cross-compatible alternatives, so make sure to purchase the exact 6014 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.

1984 Mazda RX7 Headlight FAQ

The 1984 Mazda RX7 uses a 6014 LED bulb for the low beam headlights. We recommend upgrading to LED for better visibility.

The high beam bulb size for the 1984 Mazda RX7 is 6014 LED.

The 1984 Mazda RX7 uses a single bulb (dual filament) headlight system. This means one bulb controls both high and low beams.

Yes, the 1984 Mazda RX7 comes with standard halogen bulbs from the factory, but they can be upgraded to LED. You will need a 6014 LED LED conversion kit for the low beams.

Yes, the 1984 Mazda RX7 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 6014 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 6014 LED LED kit that is designed as a direct replacement and produces a proper cutoff pattern without excessive glare.

A pair of halogen 6014 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 6014 LED position are available as direct plug-and-play replacements.

Did Mazda RX7 Bulb Sizes Change Over the Years?

Over its production run from 1979 to 1995, the Mazda RX7 has seen bulb size changes in the Low Beam, High Beam and Fog Light positions. The 1984 model uses the earlier bulb specification that was in place before the change around 1993. Always verify the exact bulb size for your specific 1984 model year using the chart above, as using the wrong size can result in poor fitment or reduced light output.

Other RX7 Years

199519941993199119901989198819871986198519831982198119801979
233 Sport32356626808

Other Vehicles That Use 6014 LED Bulbs

These vehicles from other makes also use a 6014 LED low beam bulb:

1987 Toyota Land Cruiser1986 Isuzu Trooper1980 Toyota Cressida1980 Volkswagen Super Beetle1979 Volkswagen Transporter1978 Nissan 280Z