Cadillac STS headlight bulb size by year
The low beam, high beam and fog light bulbs for every Cadillac STS from 2005–2011. Pick your year to jump straight to it. Each answer links to the page in Cadillac’s owner’s manual it came from.
Cadillac STS bulb sizes at a glance
Where a year lists more than one bulb, it depends on trim or headlight type; see that year’s section below.
2005–2011 Cadillac STS headlight bulbs
Where this comes from (7 sources)
- Cadillac parts catalogue (gmpartsgiant) and 2004 Pontiac GTO Owner's Manual, p. 240 (confirms part 13503417 = H11LL) (2005)
- Cadillac parts catalogue (gmpartsgiant) and 2004 Pontiac GTO Owner's Manual, p. 240 (confirms part 13503417 = H11LL) (2006)
- Cadillac parts catalogue (gmpartsgiant) and 2004 Pontiac GTO Owner's Manual, p. 240 (confirms part 13503417 = H11LL) (2007)
- Cadillac parts catalogue (gmpartsgiant) and 2004 Pontiac GTO Owner's Manual, p. 240 (confirms part 13503417 = H11LL) (2008)
- Cadillac parts catalogue (gmpartsgiant) and 2004 Pontiac GTO Owner's Manual, p. 240 (confirms part 13503417 = H11LL) (2009)
- Cadillac parts catalogue (gmpartsgiant) and 2004 Pontiac GTO Owner's Manual, p. 240 (confirms part 13503417 = H11LL) (2010)
- Cadillac parts catalogue (gmpartsgiant) and 2004 Pontiac GTO Owner's Manual, p. 240 (confirms part 13503417 = H11LL) (2011)
Buy bulbs for your 2005–2011 Cadillac STS
RecommendedH11 standard replacement
Same light as the original bulb, at the lowest price. Fits your low beam.
Recommended9005 standard replacement
Same light as the original bulb, at the lowest price. Fits your high beam.
Always double-check the size printed on the old bulb’s base before you buy. See how we source our data. More Cadillac models.