Saturn SW1 License Plate Bulb Size

The Saturn SW1 license plate light uses 168 and 194 bulb sizes for the rear illumination system. Data for the specific components covers the period from 1993 through 1999.

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
1996-1999	168	W5W	Check Price
1993-1995	194	W5W	Check Price

Bulb Specifications

Description	Type	Shop
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W.	168	Check Price
ECE standard (Europe & worldwide). Single-filament signalling bulb with W2.1x9.5d wedge base. 12V, 5W.	W5W	Check Price
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W.	194	Check Price

Other Locations

Additional Notes

The Saturn SW1 license plate bulb specifications cover model years 1993-1999, with two distinct bulb sizes used across that span.
The 168 and 194 bulbs are both ANSI-standardized miniature wedge types sharing the T10 form factor and a 12V operating voltage, which means they are physically interchangeable in terms of socket fitment.
Despite their shared T10 form factor, the 168 and 194 bulbs differ in wattage. The 168 draws 4.9W, while the 194 draws 3.78W, making them electrically distinct.
The Saturn SW1 (1996-1999) uses the 168 bulb for the license plate position, while the 1993-1995 model years use the 194 bulb instead.
The 1995 model year represents the transition point between the two bulb specifications, as it is the last year listed with the 194 and the year immediately preceding the shift to the 168.
Both bulb types carry ANSI standardization applicable to the US and Canadian markets, indicating consistent regulatory compliance across the full 1993-1999 production range.