Cadillac CTS Fog Light Bulb Size

The Cadillac CTS fog light utilizes a 9145 bulb size for the front lighting assembly. Data for the specified lighting component covers the period from 2003 through 2007.

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

Front Fog Light

YearsBulb Size
2008-2013H11
2003-20079145

Bulb Specifications

Description Bulb Size
ECE standard (Europe & worldwide). Single-filament halogen bulb with PGJ19-2 base. Also approved in the US. 12V, 55W.H11
ANSI standard (US & Canada). Single-filament halogen bulb with PY20d base. 12V, 42W.9145

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