2021 Ford Mustang Headlight Bulb Size

Factory light bulb sizes for headlight, fog light, turn signal, brake, and interior lights.

Quick Factory Answer

The 2021 Ford Mustang uses D3S HID / Factory LED for low beam and D3S HID / Factory LED for high beam.

Low Beam Headlight
D3S HID / Factory LED
High Beam Headlight
D3S HID / Factory LED
Fog Light Bulb
H10 / 9145
Front Turn Signal
3157NA
Buy D3S HID / Factory LED Low Beam Bulbs on Amazon →Buy D3S HID / Factory LED High Beam Bulbs →Search LED Conversion Kits →

Full Automotive Light Bulb Chart

Low Beam HeadlightD3S HID / Factory LED
High Beam HeadlightD3S HID / Factory LED
Fog LightH10 / 9145
Front Turn Signal3157NA
Rear Taillight / Brake Light3157
License Plate Light168 / 194
Reverse / Backup Light921

Other Factory Specs for 2021 Ford Mustang

🛢️ Oil Type & Capacity →🛞 Tire Size & Pressure →🌧️ Wiper Blade Sizes →📖 OEM Repair Manual →

Frequently Asked Questions

What size headlight bulb fits a 2021 Ford Mustang?
The 2021 Ford Mustang uses a D3S HID / Factory LED bulb for the low beam and a D3S HID / Factory LED bulb for the high beam.
Does a 2021 Ford Mustang use separate low and high beam bulbs?
Yes — it uses separate bulbs: D3S HID / Factory LED for low beam and D3S HID / Factory LED for high beam.
What fog light bulb fits a 2021 Ford Mustang?
The 2021 Ford Mustang uses a H10 / 9145 bulb for the front fog lights.