2012 GMC Sierra Denali Spark plugs
Depends on your version. Choose yours, or compare them here.
- 6.0L V8 0.040 in gap
- 6.2L V8 0.040 in gap
0.040in
Gap · 6.0L V8
0.040in
Gap · 6.2L V8
2012 GMC Sierra Denali Owner's Manual, PDF page 449
1.02 mm (0.040 in)Open the manual at this page ↗Added Oct 17, 2026 · Updated
See where it's printed
Spark plugs (gap) · 6.0L V8 · PDF page 449
1.02 mm (0.040 in)
Spark plugs (gap) · 6.2L V8 · PDF page 449
1.02 mm (0.040 in)
2012 GMC Sierra Denali Owner's Manual, PDF page 449
1.02 mm (0.040 in)Open the manual at this page ↗Added Oct 17, 2026 · Updated
See where it's printed
Spark plugs (gap) · 6.0L V8 · PDF page 449
1.02 mm (0.040 in)
2012 GMC Sierra Denali Owner's Manual, PDF page 449
1.02 mm (0.040 in)Open the manual at this page ↗Added Oct 17, 2026 · Updated
See where it's printed
Spark plugs (gap) · 6.2L V8 · PDF page 449
1.02 mm (0.040 in)
See every quote (2 values)
All versions
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| 6.0L V8 | 0.040 ingap | “1.02 mm (0.040 in)” | PDF page 449 ↗ |
| 6.2L V8 | 0.040 ingap | “1.02 mm (0.040 in)” | PDF page 449 ↗ |
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