2008 GMC Envoy and Envoy Denali Spark Plugs
2008 GMC Envoy and Envoy Denali spark plugs: 0.040 inches gap (all (4.2L L6 and 5.3L V8)). From the owner's manual, PDF page 415.
0.040inches
Gap · all (4.2L L6 and 5.3L V8)
2008 GMC Envoy and Envoy Denali Owner's Manual, PDF page 415
0.040 inches (1.01 mm)Open the manual at this page ↗Added Oct 21, 2026 · Updated
See where it's printed
Spark plugs (gap) · All (4.2L L6 and 5.3L V8) · PDF page 415
0.040 inches (1.01 mm)
See every quote (1 value)
As printed in the manual
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| All (4.2L L6 and 5.3L V8) | 0.040 inchesgap | “0.040 inches (1.01 mm)” | PDF page 415 ↗ |
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