Mazda Mazda3 2021 Bulb Size

Bulb size chart

Fog Light Bulb Front - LED
Headlight Bulb High Beam and Low Beam - LED
Back Up Reverse Light Bulb - LED
Brake Light Bulb - LED
Center High Mount Stop Light Bulb - LED
License Plate Light Bulb - LED
Parking Light Bulb - 2827, LED
Side Marker Light Bulb Front - 2827
Side Marker Light Bulb Rear - LED
Tail Light Bulb - LED
Turn Signal Light Bulb Front - LED
Turn Signal Light Bulb Rear - LED
Dome Light Bulb - LED
Map Light Bulb - LED
Trunk or Cargo Area Light - 168

2827 Bulbs

Used for: Parking Light Bulb, Side Marker Light Bulb Front

KATUR Extremely Bright 2827 LED Light Bulbs

KATUR Extremely Bright 2827 LED Light Bulbs

Upgrade your vehicle's lighting with the KATUR Extremely Bright 2827 LED Light Bulbs and experience superior brightness, energy efficiency, and durability. Enjoy a crisp and clear white light with a color temperature of 6000K, providing enhanced visibility and a modern aesthetic. Don't settle for dim and outdated bulbs when you can have the best. Choose KATUR for exceptional quality and performance in LED lighting.With a T10 base type, these LED bulbs are a direct replacement for your existing car lights, making installation quick and hassle-free. Designed with three powerful 3030 SMD LEDs, these bulbs deliver an incredibly bright and crisp white light that enhances visibility and adds a touch of modern elegance to your vehicle. Thanks to the 360-degree beam angle, these LED bulbs offer a uniform and consistent illumination, eliminating hot spots and providing a wide coverage area. Whether you need to enhance your interior cabin lights, license plate lights, side marker lights, or any other compatible car light, these bulbs are up to the task. Operating at a voltage range of 12V to 16V, these bulbs are highly versatile and can be used in various vehicles without any compatibility issues. With a low wattage of 1.5W, they consume minimal power while still delivering an impressive brightness of 350 lumens. Say goodbye to inefficient incandescent bulbs and enjoy the benefits of energy-saving LED technology.

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View all 10 replacement options for size 2827 →

168 Bulbs

Used for: Trunk or Cargo Area Light

View all 17 replacement options for size 168 →

This page covers bulb fitment for the 2021 Mazda Mazda3 and is organized by lighting position so you can quickly verify the correct bulb type before you buy. Because the Mazda3 can use different lighting setups depending on trim, body style, and market, checking the exact lamp location is the safest way to match the right replacement.

Use the chart on this page to compare common exterior and interior bulb locations such as headlights, fog lights, brake lights, turn signals, license plate lights, dome lights, and cargo-area lighting. For the 2021 Mazda Mazda3, several positions use LED assemblies, while a few positions still list replaceable bulb types like 2827 or 168.

Fitment can vary by trim package, lighting package, and whether your Mazda3 is a sedan or hatchback, so it is smart to confirm what is actually installed on the vehicle before ordering parts. Some positions on this model are factory LED units, which may not use a simple replaceable bulb, while others may be halogen or standard bulb sockets depending on configuration. If you are considering an aftermarket LED conversion, make sure the replacement is compatible with the housing, connector, and local regulations, since beam pattern and warning lights can be an issue. When in doubt, remove the old bulb and compare the base, size, and connector before purchase.

FAQ

What bulb size does the 2021 Mazda Mazda3 use for the headlights?

The headlight high beam and low beam listing for the 2021 Mazda Mazda3 is LED. That means the headlamp is typically an LED unit rather than a standard replaceable bulb size.

Does the 2021 Mazda Mazda3 use LED fog lights?

Yes, the front fog light bulb listing for this model is LED. As with the headlights, this usually means the fog light is part of an LED assembly rather than a traditional bulb swap.

What is the brake light bulb type on the 2021 Mazda Mazda3?

The brake light bulb is listed as LED on the 2021 Mazda Mazda3. If a brake lamp stops working, you may need to inspect the full lamp assembly rather than just replacing a single bulb.

What bulb does the front turn signal use on the 2021 Mazda Mazda3?

The front turn signal bulb is listed as LED. Because trim and market differences can affect the exact setup, it is best to verify the lamp on the vehicle before ordering a replacement.

What bulb size is used for the license plate light?

The license plate light bulb is listed as LED for the 2021 Mazda Mazda3. This is usually a small integrated lighting unit mounted near the rear plate area.

What is the parking light bulb size on this Mazda3?

The parking light bulb is listed as 2827. If your vehicle matches this configuration, that is the bulb type to check first for the parking light position.

What bulb does the front side marker use?

The front side marker light bulb is listed as 2827, and it is marked as optional in the raw fitment notes. That means some versions of the 2021 Mazda Mazda3 may differ by market or trim.

What bulb is used for the trunk or cargo area light?

The trunk or cargo area light uses a 168 bulb on the 2021 Mazda Mazda3. This is one of the few interior positions on the page that is shown as a standard replaceable bulb.

Are the dome light and map light bulbs replaceable?

The dome light bulb and map light bulb are both listed as LED. On many Mazda3 configurations, that can mean an integrated LED setup rather than a simple twist-out bulb.

What bulb type is used for the rear turn signal?

The rear turn signal light bulb is listed as LED. If the rear signal is not working, check whether the issue is the lamp assembly, wiring, or a related electrical fault.

What bulb does the back up reverse light use?

The back up reverse light bulb is listed as LED for the 2021 Mazda Mazda3. As with other LED positions, replacement may involve the complete lamp unit depending on the trim.

Are the tail lights on the 2021 Mazda Mazda3 LED?

Yes, the tail light bulb is listed as LED. This is helpful to know because LED tail lamps often have different replacement procedures than conventional bulbs.

Why does this page mention trim and body style differences?

The 2021 Mazda Mazda3 can vary by market, trim, and body style, so not every car will use the same lighting hardware. Verifying the bulb position on the vehicle helps avoid ordering the wrong part.

Should I check the installed bulb before buying a replacement?

Yes. Even when a chart lists a bulb size, checking the installed bulb is the best way to confirm fitment, especially if your Mazda3 has optional lighting equipment or an aftermarket modification.

Mazda Mazda3 Bulb Size by Year