2007 Cadillac CTS and CTS-V Spark Plugs
2007 Cadillac CTS and CTS-V 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.
- 2.8L HFV6 0.043 inches gap
- 3.6L HFV6 0.043 inches gap
- 6.0L V8 0.040 inches gap
0.043inches
Gap · 2.8L HFV6
0.043inches
Gap · 3.6L HFV6
0.040inches
Gap · 6.0L V8
2007 Cadillac CTS and CTS-V Owner's Manual, PDF page 458
0.043 inches (1.1 mm)Open the manual at this page ↗Added Oct 21, 2026 · Updated
See where it's printed
Spark plugs (gap) · 2.8L HFV6 · PDF page 458
0.043 inches (1.1 mm)
Spark plugs (gap) · 3.6L HFV6 · PDF page 458
0.043 inches (1.1 mm)
Spark plugs (gap) · 6.0L V8 · PDF page 458
0.040 inches (1.02 mm)
2007 Cadillac CTS and CTS-V Owner's Manual, PDF page 458
0.043 inches (1.1 mm)Open the manual at this page ↗Added Oct 21, 2026 · Updated
See where it's printed
Spark plugs (gap) · 2.8L HFV6 · PDF page 458
0.043 inches (1.1 mm)
2007 Cadillac CTS and CTS-V Owner's Manual, PDF page 458
0.043 inches (1.1 mm)Open the manual at this page ↗Added Oct 21, 2026 · Updated
See where it's printed
Spark plugs (gap) · 3.6L HFV6 · PDF page 458
0.043 inches (1.1 mm)
2007 Cadillac CTS and CTS-V Owner's Manual, PDF page 458
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) · 6.0L V8 · PDF page 458
0.040 inches (1.02 mm)
See every quote (3 values)
All versions
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| 2.8L HFV6 | 0.043 inchesgap | “0.043 inches (1.1 mm)” | PDF page 458 ↗ |
| 3.6L HFV6 | 0.043 inchesgap | “0.043 inches (1.1 mm)” | PDF page 458 ↗ |
| 6.0L V8 | 0.040 inchesgap | “0.040 inches (1.02 mm)” | PDF page 458 ↗ |
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