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Mazda Mazda6 2018 Bulb Size
Bulb size chart
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
Daytime Running Light Bulb - LED
License Plate Light Bulb - LED
Parking Light Bulb - LED
Side Marker Light Bulb Front - LED
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 - DE3175
Map Light Bulb - DE3175
Trunk or Cargo Area Light - 194, 7441
DE3175 Bulbs
Used for: Dome Light Bulb, Map Light Bulb
194 Bulbs
Used for: Trunk or Cargo Area Light
7441 Bulbs
Used for: Trunk or Cargo Area Light
The 2018 Mazda Mazda6 uses a mix of LED lighting and a few replaceable interior bulbs, so the exact bulb you need depends on the lighting position. This page helps you verify bulb sizes by location, making it easier to match the correct part for the headlight, tail light, license plate light, interior lamp, and other exterior or cabin lights.
Because trim and lighting equipment can vary by market and body style, it is important to check the bulb chart for the specific light you are replacing. On this page, you can quickly confirm the bulb type for each position on the 2018 Mazda Mazda6 before you buy anything.
Fitment can differ between trims, appearance packages, and regional specifications, especially on cars with factory LED lighting. Some bulbs on the 2018 Mazda Mazda6 are part of sealed LED assemblies rather than simple replaceable bulbs, while others such as the trunk or cargo area light, dome light, and map light use serviceable bulb types. If you are considering an aftermarket LED conversion, compare the base bulb style, connector fit, and polarity before ordering. The safest approach is to inspect the installed bulb or the vehicle’s lighting assembly first, since the same model year can have different setups depending on equipment level.
FAQ
What bulb size does the 2018 Mazda Mazda6 use for the low beam headlight?
The low beam headlight on the 2018 Mazda Mazda6 is listed as LED. This means the light is part of an LED setup rather than a standard replaceable halogen bulb.
What bulb size does the 2018 Mazda Mazda6 use for the high beam headlight?
The high beam headlight on the 2018 Mazda Mazda6 is listed as LED. Check the specific headlamp assembly before ordering, since LED headlight systems are usually not serviced like traditional bulbs.
Are the brake lights on the 2018 Mazda Mazda6 replaceable bulbs?
The brake light bulb position is listed as LED. In many cases, that means the brake light is integrated into an LED assembly instead of using a conventional bulb.
What bulb type is used for the front turn signal on this Mazda6?
The front turn signal light bulb is listed as LED for the 2018 Mazda Mazda6. Always verify the exact lamp housing, because lighting equipment can vary by trim or market.
What bulb type is used for the rear turn signal on this Mazda6?
The rear turn signal light bulb is listed as LED. If you are replacing a rear lamp assembly, confirm whether the issue is the bulb, the module, or the entire housing.
What bulb size is used for the license plate light?
The license plate light bulb is listed as LED on the 2018 Mazda Mazda6. If the light is dim or out, the entire LED unit may need attention rather than a simple bulb swap.
What bulb size is used for the trunk or cargo area light?
The trunk or cargo area light uses a 194 or 7441 bulb. Either size may appear depending on the exact setup, so it is a good idea to compare the installed bulb before buying a replacement.
What bulb size is used for the dome light?
The dome light bulb is DE3175 on the 2018 Mazda Mazda6. This is a common interior bulb size, but you should still match it to the bulb already installed in your vehicle.
What bulb size is used for the map light?
The map light bulb is DE3175, and it is noted as optional. Some Mazda6 models may not have the same interior lighting configuration, so check your overhead console before ordering.
Does the 2018 Mazda Mazda6 use LED daytime running lights?
Yes, the daytime running light bulb is listed as LED. On many vehicles, this means the DRL is integrated into the lighting assembly rather than being a standard replaceable bulb.
What should I check before buying replacement bulbs for my 2018 Mazda Mazda6?
Check the exact lighting position, your trim level, and whether the car has factory LED or a different regional lighting package. It is also smart to inspect the installed bulb or the lamp assembly itself before purchase.
Can I convert my 2018 Mazda Mazda6 interior bulbs to LED?
Yes, many owners replace interior bulbs such as the dome, map, or cargo light with LED aftermarket options. Just make sure the bulb base matches, the color temperature is what you want, and the bulb fits without causing flicker or polarity issues.