Cadillac STS Light Bulb Size Chart

Cadillac STS replacement light bulb sizes include 12961, 3757NA, 906, H3, and PC168 options. The replacement chart covers 2005 through 2011 model years across 17 lighting locations. Each location entry specifies applicable model years and corresponding bulb size.

Select a light bulb location for Cadillac STS to view detailed replacement information.

LocationYears
Back Up Light2005-2011
Courtesy2005-2011
Daytime Running Light2005-2011
Dome Light2005-2011
Fog Light2005-2011
Headlight2005-2011
License Plate2005-2011
Map Light2005-2011
Parking Light2005-2011
Side Marker2005-2011
Stepwell2005-2011
Trunk2005-2011
Turn Signal2005-2011