Mazda Mazda6 2003 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

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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.

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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.

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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.

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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.

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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.

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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

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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.

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View all 11 replacement options for size 2821 →

This page helps you verify the bulb sizes for a 2003 Mazda Mazda6 by lighting position, so you can match the correct replacement to the exact lamp on the car. Because Mazda used different bulbs for different functions, it is important to check whether you are replacing a headlight, tail light, interior light, or a small exterior marker before buying.

For the 2003 Mazda Mazda6, the bulb chart below covers common exterior and interior locations such as low beam, high beam, fog lights, brake lights, turn signals, license plate lights, dome lights, map lights, and more. Trim, body style, and lighting package can vary by market, so use the position-specific listing to narrow down the correct fit.

When replacing bulbs on this Mazda6, always confirm the installed bulb before ordering, especially if the car has been modified or if the trim level differs by market. Halogen bulbs and LED upgrades do not always share the same fitment or beam pattern, and some aftermarket LED conversions may require extra adapters, resistors, or housings to work properly. If the vehicle has been converted from stock lighting, the original bulb number may no longer match what is currently installed, so checking the old bulb is the safest way to avoid a mismatch.

FAQ

What bulb size does the 2003 Mazda Mazda6 use for the low beam headlight?

The listed low beam headlight bulb is H1 for the 2003 Mazda Mazda6.

What bulb size does the 2003 Mazda Mazda6 use for the high beam headlight?

The listed high beam headlight bulb is H1 for the 2003 Mazda Mazda6.

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

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

What bulb size is used for the rear turn signal?

The rear turn signal bulb listed for the 2003 Mazda Mazda6 is 7440A.

What bulb size is used for the front turn signal?

The front turn signal bulb listed for this Mazda6 is 2357A.

What bulb size is used for the brake light and tail light?

The brake light bulb and tail light bulb are both listed as 7443R.

What bulb size is used for the back up reverse light?

The back up reverse light bulb listed for this vehicle is 921.

What bulb size is used for the license plate light?

The license plate light bulb listed for the 2003 Mazda Mazda6 is 2825.

What bulb size is used for the dome light and map light?

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

Are there different bulb options for the center high mount stop light?

Yes. The page lists two compare-to-original options for the center high mount stop light: 921 and 194.

What bulb size is used for the front side marker light?

The front side marker light bulb listed is 2825.

What bulb size is used for 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 does the bulb size page mention trim and market differences?

Because the 2003 Mazda Mazda6 could use different lighting setups depending on trim, body style, or market, so the correct bulb may vary slightly from one vehicle to another.

Should I check the old bulb before buying a replacement?

Yes. Checking the installed bulb is the best way to confirm fitment, especially if the car has aftermarket lighting, prior repairs, or a non-stock bulb conversion.

Mazda Mazda6 Bulb Size by Year