Mazda Mazda6 2004 Bulb Size

Bulb size chart

Fog Light Bulb Front - H3
Headlight Bulb High Beam - H1
Headlight Bulb Low Beam - H1
Back Up Reverse Light Bulb - 921
Brake Light Bulb - 7443R
Center High Mount Stop Light Bulb(Compare to original - Option 1) - 921
Center High Mount Stop Light Bulb(Compare to original - Option 2) - 194
License Plate Light Bulb - 2825
Parking Light Bulb(Compare to original - Option 1) - 2825
Parking Light Bulb(Compare to original - Option 2) - 2357A
Side Marker Light Bulb Front - 2825
Tail Light Bulb - 7443R
Turn Signal Light Bulb Front - 2357A
Turn Signal Light Bulb Rear - 7440A
Courtesy Light Bulb - 2825
Dome Light Bulb - 2825
Map Light Bulb - 2825
Trunk or Cargo Area Light - 2821

H3 Bulbs

Used for: Fog Light Bulb Front

HELLA H3 Twin Blister Standard Halogen Bulb

HELLA H3 Twin Blister Standard Halogen Bulb

Looking for a high-quality halogen bulb that will offer you increased visibility and comfort on the road? Look no further than HELLA’s H3 Twin Blister Standard Halogen Bulb. This original equipment quality bulb is designed to provide you with convincing light output, making it the perfect choice for drivers who want the best lighting performance possible. What’s more, this bulb also has a long lifetime, meaning you can enjoy its benefits for longer.

$13.55

Buy on Amazon →

View all 11 replacement options for size H3 →

H1 Bulbs

Used for: Headlight Bulb High Beam, Headlight Bulb Low Beam

NOVCAPAR H1 LED Headlight Bulbs - High And Low Beam

NOVCAPAR H1 LED Headlight Bulbs - High And Low Beam

Elevate your driving experience with the 2024 NOVCAPAR H1 LED Bulbs, the ultimate lighting upgrade that brings both style and safety to your vehicle. Engineered for perfection, these bulbs offer an incredible 600% increase in brightness compared to traditional halogen bulbs. With 24,000 lumens of pure 6500K cool white light, you'll see further and clearer, transforming your night drives into a safer and more enjoyable journey. Installation is a breeze with our true plug-and-play design. The NOVCAPAR H1 bulbs are crafted to fit perfectly without any modifications or additional wiring, saving you time and money. Whether you're upgrading your high beams, low beams, or fog lights, our bulbs are the hassle-free solution you've been looking for. What sets these bulbs apart is their durability and reliability. Equipped with 12 advanced CSP chips and an innovative dual cooling system, these fanless bulbs are built to last over 50,000 hours. They ensure optimal performance in any weather condition, freeing you from the frustration of frequent replacements. The NOVCAPAR H1 bulbs also feature a perfect beam pattern that eliminates dark spots, providing consistent and clear illumination across your path. Drive with confidence, knowing that you have the best lighting technology leading the way.

Buy on Amazon →

AUXLIGHT H1 LED Fog Light Bulbs 6000K Xenon White

AUXLIGHT H1 LED Fog Light Bulbs 6000K Xenon White

Upgrade your vehicle’s visibility with the AUXLIGHT H1 LED Fog Light Bulbs, designed to deliver exceptional performance and reliability. These bulbs are perfect for fog lights and daytime running lights (DRL), providing a brilliant 6000K Xenon White light that enhances both safety and style on the road. Harness the power of advanced COB technology with two high-quality COB-1908 chips per bulb, delivering a super bright, clear beam without any glare or shadowed areas. With 1500 lumens per bulb (3000 lumens total), these lights ensure optimal visibility in foggy conditions, giving you the confidence to drive in challenging weather. Crafted from full aviation-grade aluminum with a built-in heat sink, the AUXLIGHT bulbs are designed for superior heat dissipation, resulting in a low operating temperature and extended lifespan of up to 50,000 hours. This means less worry about replacements and more focus on the road ahead. Installation is quick and easy with the plug-and-play design, making it a direct replacement for stock halogen fog bulbs. The non-polarity feature simplifies the process, though vehicles with a CANBUS system may require a load resistor or error decoder to bypass any error codes.

Buy on Amazon →

View all 21 replacement options for size H1 →

921 Bulbs

Used for: Back Up Reverse Light Bulb, Center High Mount Stop Light Bulb(Compare to original - Option 1)

View all 14 replacement options for size 921 →

7443R Bulbs

Used for: Brake Light Bulb, Tail Light Bulb

MAXGTRS 7443R Red LED Light Bulbs - Brake / Turn Signal / Tail

MAXGTRS 7443R Red LED Light Bulbs - Brake / Turn Signal /...

Upgrade your vehicle with the MAXGTRS 7443R Red LED Light Bulbs, delivering 360° illumination that is six times brighter than the average, thanks to their 4-sided light source and Auto Grade 3570 LED Chips. These bulbs produce a striking 24w 4000 lumens of red light, enhancing your driving safety by covering a wider area. Additionally, the bulbs’ Plug & Play design offers convenience, preventing hyper flash and error warnings without the need for extra resistors or parts. Choose the MAXGTRS 7443R Red LED Light Bulbs for a blend of bright, reliable, and easy-to-install lighting for your vehicle.

Buy on Amazon →

Alla Lighting 7443R Red Flashing Light Bulb

Alla Lighting 7443R Red Flashing Light Bulb

Elevate your driving experience with Alla Lighting 7443R Red Flashing Light Bulbs. Each bulb boasts 39 high power 2835 SMD LEDs, delivering a combined 2000 lumens of vibrant light. Equipped with a smart IC driver and a projector-lens, these bulbs offer 360° light output and a stable, long-lasting performance of up to 30,000 hours. Designed for versatility, they are the perfect replacement for back-up reverse lights, brake tail lights, and center high-mounted stop lights (3rd brake lights) lamps. The bulbs feature an aluminum heat sink for optimal heat dissipation and operate efficiently within a wide voltage range of 9V~30V, thanks to the built-in intelligent IC driver.

Buy on Amazon →

View all 10 replacement options for size 7443R →

194 Bulbs

Used for: Center High Mount Stop Light Bulb(Compare to original - Option 2)

View all 21 replacement options for size 194 →

2825 Bulbs

Used for: License Plate Light Bulb, Parking Light Bulb(Compare to original - Option 1), Side Marker Light Bulb Front, Courtesy Light Bulb, Dome Light Bulb, Map Light Bulb

View all 12 replacement options for size 2825 →

2357A Bulbs

Used for: Parking Light Bulb(Compare to original - Option 2), Turn Signal Light Bulb Front

KATUR Super Bright 2357A LED Bulbs With 48-EX Chipsets with Projector

KATUR Super Bright 2357A LED Bulbs With 48-EX Chipsets wi...

Better Visibility 4014 LED chips Super bright 4014 48Chips to provide the LED with the proper beam patterns.No dark spots, no short beams, and no scattered light.360 Degree lighting, brings an astounding emitted light effect. Great performance 1157 BAY15D 2057 2357 7528 LED Bulbs are waterproof and can work in any bad weather. Provide a good view when you are driving. Perfect performance in conditions of poor visibility due to rain, fog, dust, or snow. Excellent heat dissipation design Adopt a large aluminum heat sink to avoid trouble by heat generation, achieving extremely excellent heat resistance and heat dissipation that can withstand high temperatures. It also increases the lighting efficiency and extends the service time to 50,000+hrs. Cross Reference number Standard dual-contact 1157/BAY15D Base can replace Stock Bulbs or Incandescents such as 1016 1034 1157 1157A 1178A 1196 2057 2057A 2357 2357A 2357NA 2397 3496 7528 94. Easy installation  Well matched with the original Incandescence lights. Easy plug-and-play installation - just plug it into the socket.

Buy on Amazon →

View all 10 replacement options for size 2357A →

7440A Bulbs

Used for: Turn Signal Light Bulb Rear

TUINCYN Amber Yellow 7440A/7440NA/7440 LED Bulb

TUINCYN Amber Yellow 7440A/7440NA/7440 LED Bulb

Amber 7440 Bulb Used For Turn Signals Light Bulb, Including Front And Rear Turn Signals, Not For Other Position. CANBUS Ready For 98% Vehicle, No Interference, No Hyperflash, And No Error Code, Donnot Need Extra Load Resistors. Plug& Play Bulb Easily To Be Installed Within 10 Mins.  Premium quality 6063 aluminum alloy material ensure the light bulb with good heat dissipation and bring low energy consumption. IP68 waterproof and good construction ensure the bulb works well between -40 degree~ 80 degree environment.

$19.99

Buy on Amazon →

View all 6 replacement options for size 7440A →

2821 Bulbs

Used for: Trunk or Cargo Area Light

WLJH 6000K White 2821 Light Bulbs

WLJH 6000K White 2821 Light Bulbs

WLJH LED bulbs are a simple and cost-effective way to upgrade your vehicle's Instrument Panel lighting. Replace your old dingy incandescent bulbs with a long-lasting LED bulb for the Instrument Panel cluster. Not only do the WLJH LED bulbs come in modern cool; lighting, but they are also offered in an array of colors allowing you to customize the dash of your vehicle. from the original, orange-sleeved, incandescent bulb illumination to other vivid color LED illumination. Super Bright 3-SMD LED 3030 Chipset  - 300% brighter than stock lamps. Latest LED Technology - no flickering, no UV light emission,no irradiation. Easy plug-and-play installation - no polarity, no soldering or modifications needed, plug-and-play led. High-Quality Aluminum Body  - low temperature, low power consumption, long-lasting life of up to 60,000 hours.

Buy on Amazon →

View all 11 replacement options for size 2821 →

This page helps you verify the bulb sizes for the 2004 Mazda Mazda6 by lighting position, so you can match the correct replacement to each exterior and interior lamp. Because bulb fitment can vary by trim, body style, and market, it is always smart to confirm the exact socket and bulb type before ordering.

For the 2004 Mazda Mazda6, the chart below covers common locations such as headlights, fog lights, turn signals, brake and tail lights, reverse lights, license plate lights, and cabin bulbs. Use it as a quick reference when replacing a single burned-out bulb or planning a full lighting refresh.

Fitment can differ on the 2004 Mazda Mazda6 depending on trim level, lighting package, and whether the car uses halogen or LED-style aftermarket parts. Some positions may have more than one acceptable bulb option listed, and aftermarket conversions can change the required size or connector style. Before buying, check the bulb already installed in the vehicle, compare it with the chart, and make sure the replacement matches the original base and dimensions. This is especially important for headlights and fog lights, where output and beam pattern matter as much as physical fit.

FAQ

What bulb size does the 2004 Mazda Mazda6 use for the low beam headlight?

The chart lists H1 for the low beam headlight on the 2004 Mazda Mazda6.

What bulb size does the 2004 Mazda Mazda6 use for the high beam headlight?

The chart lists H1 for the high beam headlight on the 2004 Mazda Mazda6.

What is the front fog light bulb size on this Mazda6?

The front fog light bulb is listed as H3, and it is noted as optional.

What bulb fits the rear turn signal on a 2004 Mazda Mazda6?

The rear turn signal light bulb is listed as 7440A.

What bulb size is used for the front turn signal?

The front turn signal light bulb is listed as 2357A.

What bulb fits the brake light and tail light on this model?

Both the brake light bulb and tail light bulb are listed as 7443R.

What bulb does the reverse light use?

The back up reverse light bulb is listed as 921.

What are the license plate light bulb sizes?

The license plate light bulb is listed as 2825.

What bulb fits the dome light and map light?

Both the dome light and map light are listed as 2825.

What bulb is used for the front side marker light?

The front side marker light bulb is listed as 2825.

What bulb fits the courtesy light and trunk or cargo area light?

The courtesy light bulb is listed as 2825, and the trunk or cargo area light is listed as 2821.

Why are there two options for some bulbs on this page?

Some positions show more than one bulb option because trim, market, or original equipment differences can affect the correct fit. For example, the center high mount stop light and parking light positions include alternate bulb listings.

Can I replace the factory bulbs with LED bulbs?

Yes, many owners choose LED replacements, but you should confirm fitment, polarity, and beam pattern first. Some LED bulbs may need resistors or may not work correctly in every socket.

Should I check the old bulb before ordering a replacement?

Yes. Checking the installed bulb is one of the best ways to avoid mistakes, especially on a 2004 Mazda Mazda6 with possible trim or market differences.

Mazda Mazda6 Bulb Size by Year