2021 GMC Canyon Spark plugs
Depends on your version. Choose yours, or compare them here.
- 2.5L L4 engine 0.037–0.043 in gap
- 3.6L V6 engine 0.031–0.035 in gap
0.037–0.043in
Gap · 2.5L L4 engine
0.031–0.035in
Gap · 3.6L V6 engine
2021 GMC Canyon Owner's Manual, PDF page 326
(0.037–0.043 in)Open the manual at this page ↗Added Oct 15, 2026 · Updated
See where it's printed
Spark plugs (gap) · 2.5L L4 engine · PDF page 326
(0.037–0.043 in)
Spark plugs (gap) · 3.6L V6 engine · PDF page 326
(0.031–0.035 in)
2021 GMC Canyon Owner's Manual, PDF page 326
(0.037–0.043 in)Open the manual at this page ↗Added Oct 15, 2026 · Updated
See where it's printed
Spark plugs (gap) · 2.5L L4 engine · PDF page 326
(0.037–0.043 in)
2021 GMC Canyon Owner's Manual, PDF page 326
(0.031–0.035 in)Open the manual at this page ↗Added Oct 15, 2026 · Updated
See where it's printed
Spark plugs (gap) · 3.6L V6 engine · PDF page 326
(0.031–0.035 in)
See every quote (2 values)
All versions
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| 2.5L L4 engine | 0.037–0.043 ingap | “(0.037–0.043 in)” | PDF page 326 ↗ |
| 3.6L V6 engine | 0.031–0.035 ingap | “(0.031–0.035 in)” | PDF page 326 ↗ |
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