The bulb size you need for a 2014 Mazda6 depends on the trim and whether the car uses halogen or HID headlights. In most halogen models, expect H11 for low beams and 9005 for high beams, while HID models use D2S or D3S for the main headlights. Fog lights and other exterior bulbs vary by market and configuration, so always verify with your manual, the lens markings, or a parts lookup for your exact build.
Understanding bulb sizes by headlight type
Different trims and markets offered two primary headlight configurations in the 2014 Mazda6. The following sections outline the typical sizes you’ll encounter for each setup.
Halogen-equipped 2014 Mazda6
For models without xenon headlights, these are the common sizes you’ll find in North American and many other markets.
- Low beam (front): H11
- High beam (front): 9005
Before listing the bulbs, note that these sizes cover the standard halogen setup commonly found on base and mid trims.
In halogen configurations, the fog lights are typically the same family as the headlight bulbs, and other rear or side lights have their own standard sizes. Always confirm with your vehicle’s manual or by inspecting the bulb itself.
Fog lights and other exterior bulbs (halogen halogen-based trims)
Halogen Mazda6 models commonly use the same or similar bulbs for several exterior functions, with the most frequent examples below.
- Fog lights: H11
- Tail/stop lights: commonly 3157 or 3057 variants (depends on region and assembly)
- License plate bulbs: typically 194 wedge
Variations exist by market and production date, so when in doubt, check the bulb itself for a size imprint or consult the owner's manual.
HID-equipped 2014 Mazda6
Some 2014 Mazda6 models came with factory HID headlights. In these configurations, the bulb type differs from halogen setups and the headlight operation can be xenon-based with different maintenance considerations.
Headlights (HID-equipped models)
For vehicles with factory HID headlights, the main beam bulb is typically one of these, depending on the ballast and assembly.
- Main-beam bulb: D2S or D3S (exact type depends on the ballast; check the ballast label or manual)
Note that in many HID systems, the high-beam function is integrated within the xenon setup, rather than using a separate halogen bulb. Always verify the exact bulb type via the ballast label or Mazda documentation for your exact VIN and region.
Fog lights and other exterior bulbs (HID-equipped trims)
HID-equipped trims frequently still rely on halogen-style bulbs for certain exterior lights, though some markets outfit fogs and signals differently. A typical example is:
- Fog light bulb: commonly H11 (verify for your build)
As with headlights, verify with your manual or dealership if you’re unsure—bulb configurations can vary by market and production run.
How to verify the exact bulb size for your car
Because bulb sizes change by market, trim, and production date, the fastest way to confirm is to use one of these methods:
- Check the owner’s manual or the maintenance section for a bulb replacement table.
- Inspect the bulb directly—remove it from the socket to read the imprint (e.g., H11, 9005, D2S, D3S).
- Use a VIN-based parts lookup on Mazda’s official site or a trusted parts retailer to pull the exact bulb sizes for your exact vehicle configuration.
Having the correct bulb size on hand helps ensure you buy the right replacement and avoid fitment issues.
Summary
The 2014 Mazda6 can use halogen or HID headlights, leading to different bulb sizes. Halogen cars typically use H11 low beams and 9005 high beams, with fogs often H11 and rear/License bulbs like 3157 or 194. HID-equipped cars use D2S or D3S for the main headlights, with fogs commonly still using H11 in many trims. Because configurations vary by market and production date, always verify with the manual, the ballast label, or a reliable parts lookup for your specific vehicle.
Conclusion
Whether your 2014 Mazda6 has halogen or HID headlights, the most reliable way to determine the exact bulb size is to check the owner’s manual, inspect the bulb’s imprint, or use a VIN-based parts lookup. This ensures you purchase the correct bulbs for your exact trim and region.