Fiat 500X Headlight Bulb Size

Fiat 500X headlight bulbs use 9012, 9008, or D5S sizes for both high and low beam applications. The replacement bulb chart covers 2016 through 2023 model years with corresponding size specifications.

The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.

High Beam Headlight

If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.

Years	US Type	EU Type	Shop
2021-2023	9012	HIR2	Check Price
2020	D5S (With HID Headlamps)	D5S	Check Price
2020	9008 (With Halogen Capsule Headlamps)	H13	Check Price
2016-2019	9012	HIR2	Check Price

Low Beam Headlight

If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.

Years	US Type	EU Type	Shop
2022-2023	9012	HIR2	Check Price
2021	9012	HIR2	Check Price
	D5S (With HID Headlamps)	D5S	Check Price
	9008 (With Halogen Headlamps)	H13	Check Price
2020	D5S (With HID Headlamps)	D5S	Check Price
2020	9008 (With Halogen Capsule Headlamps)	H13	Check Price
2019	9012 (With Halogen Capsule Headlamps)	HIR2	Check Price
2016-2018	9012	HIR2	Check Price

Bulb Specifications

Description	Type	Shop
ANSI standard (US & Canada). Single-filament enhanced halogen bulb with PX22d base. 12V, 55W.	9012	Check Price
ECE standard (Europe & worldwide). HID (xenon) discharge bulb with PK32d-7 base, low-voltage compact type. 12V, 25W.	D5S	Check Price
ANSI standard (US & Canada). Dual-filament halogen bulb with P26t base. 12V, 65W/55W.	9008	Check Price
ECE standard (Europe & worldwide). Dual-filament halogen bulb with P26.4t base. 12V, 60W/55W.	H13	Check Price

Other Locations

Additional Notes

The 9012 bulb is the most frequently specified type across the Fiat 500X headlight data, appearing in both high beam and low beam positions for the 2016-2019 and 2021-2023 model years.
The 9012 is a single-filament enhanced halogen bulb rated at 12V and 55W, using a PX22d base, and is classified under the ANSI standard applicable to the US and Canadian markets.
The 9008 bulb differs from the 9012 in that it carries dual filaments, rated at 12V with a split wattage of 65W and 55W, and uses a P26t base rather than the PX22d found on the 9012.
Because the 9012 and 9008 use different base types, PX22d and P26t respectively, the two bulbs are not physically interchangeable despite both being ANSI-standard halogen types.
The D5S is an HID xenon discharge bulb rated at 12V and 25W, using a PK32d-7 base, and follows the ECE standard used in European and worldwide markets rather than the ANSI standard.
For the 2020 Fiat 500X, both the high beam and low beam positions are headlamp-system dependent: vehicles equipped with Halogen Capsule Headlamps use the 9008, while those equipped with HID Headlamps use the D5S.
The 2021 model year presents a similar split in the low beam position, where Halogen Headlamp-equipped vehicles take the 9008 and HID-equipped vehicles take the D5S, while the high beam position is listed solely as 9012 for that year.
The D5S operates on a high-intensity discharge principle, in which an electric arc between tungsten electrodes within a xenon gas-filled envelope produces light, a fundamentally different mechanism from the tungsten filament combustion used in the 9012 and 9008 halogen types.
The lower wattage of the D5S at 25W, compared to 55W or 65W for the halogen options, reflects the greater luminous efficiency of HID technology rather than a reduction in light output.
Selecting a replacement bulb for the Fiat 500X requires confirming both the model year and the specific headlamp system installed, as the 2020 and 2021 model years each carry more than one valid bulb specification depending on factory-fitted equipment.