2007 Cadillac STS Spark Plugs
2007 Cadillac STS spark plugs for each version, from the owner's manual with page references. Values differ by version; see each version.
Depends on your version. Choose yours, or compare them here.
- 3.6L DOHC V6 0.044 inches gap
- 4.4L DOHC V8 (V-Series) 0.040 inches gap
- 4.6L DOHC V8 0.050 inches gap
0.044inches
Gap · 3.6L DOHC V6
0.040inches
Gap · 4.4L DOHC V8 (V-Series)
0.050inches
Gap · 4.6L DOHC V8
2007 Cadillac STS Owner's Manual, PDF page 499
0.044 inches (1.11 mm)Open the manual at this page ↗Added Oct 21, 2026 · Updated
See where it's printed
Spark plugs (gap) · 3.6L DOHC V6 · PDF page 499
0.044 inches (1.11 mm)
Spark plugs (gap) · 4.4L DOHC V8 (V-Series) · PDF page 499
0.040 inches (1.02 mm)
Spark plugs (gap) · 4.6L DOHC V8 · PDF page 499
0.050 inches (1.27 mm)
2007 Cadillac STS Owner's Manual, PDF page 499
0.044 inches (1.11 mm)Open the manual at this page ↗Added Oct 21, 2026 · Updated
See where it's printed
Spark plugs (gap) · 3.6L DOHC V6 · PDF page 499
0.044 inches (1.11 mm)
2007 Cadillac STS Owner's Manual, PDF page 499
0.040 inches (1.02 mm)Open the manual at this page ↗Added Oct 21, 2026 · Updated
See where it's printed
Spark plugs (gap) · 4.4L DOHC V8 (V-Series) · PDF page 499
0.040 inches (1.02 mm)
2007 Cadillac STS Owner's Manual, PDF page 499
0.050 inches (1.27 mm)Open the manual at this page ↗Added Oct 21, 2026 · Updated
See where it's printed
Spark plugs (gap) · 4.6L DOHC V8 · PDF page 499
0.050 inches (1.27 mm)
See every quote (3 values)
All versions
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| 3.6L DOHC V6 | 0.044 inchesgap | “0.044 inches (1.11 mm)” | PDF page 499 ↗ |
| 4.4L DOHC V8 (V-Series) | 0.040 inchesgap | “0.040 inches (1.02 mm)” | PDF page 499 ↗ |
| 4.6L DOHC V8 | 0.050 inchesgap | “0.050 inches (1.27 mm)” | PDF page 499 ↗ |
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