Hyundai Excel Instrument Panel Bulb Size

The Hyundai Excel instrument panel requires a bulb size of 158 for the internal lighting components. Data for the specified lighting component covers the range from 1987 to 1994.

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	Bulb Size
1987-1994	158

Bulb Specifications

Description	Bulb Size
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3W.	158

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Additional Notes

The Hyundai Excel uses the 158 bulb size across all listed model years for its instrument panel, spanning 1987-1994.
The 158 is an ANSI-standardized bulb type, meaning its specifications are defined by a recognized North American industry standard applicable in both the United States and Canada.
This bulb follows the T10 form factor, a miniature wedge-base design in which the glass envelope itself acts as the retention mechanism when inserted into a compatible socket, requiring no separate metal base or locking collar.
The 158 operates at 12 volts and draws 3 watts, placing it among the lower-wattage bulbs used in automotive applications, consistent with the low-intensity illumination typical of instrument panel backlighting.
The wedge-base construction of the T10 type means fitment depends on socket compatibility with that specific base style; sockets designed for bayonet or screw-base bulbs are not interchangeable with this type.