Hyundai XG350 Back Up Light Bulb Size

The Hyundai XG350 back up light requires bulb sizes 1156 and P21W according to the provided data. Information for the specified components covers the range from 2002 through 2005.

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

Bulb Size by Year Range

Years	US Type	EU Type	Shop
2002-2005	1156	P21W	Check Price

Bulb Specifications

Description	Type	Shop
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W.	1156	Check Price
ECE standard (Europe & worldwide). Single-filament signalling bulb with BA15s bayonet base. 12V, 21W.	P21W	Check Price

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Additional Notes

The Hyundai XG350 uses the 1156 bulb for the back up light across all listed model years, spanning 2002-2005.
The 1156 is an ANSI-standardized bulb type, meaning its physical and electrical specifications are defined by a recognized North American standard used in both the United States and Canada.
This bulb operates on a 12-volt electrical system and draws 21 watts, which is consistent with standard automotive reverse lighting applications.
The 1156 is a single-filament bulb, meaning it serves only one lighting function, as opposed to dual-filament types that handle two functions such as braking and running light duties simultaneously.
The BA15s bayonet base is a single-contact bayonet fitting, and the "s" designation distinguishes it from the BA15d double-contact variant, making base type a critical factor in fitment.