2019 Chevrolet Blazer Spark plugs

Depends on your version. Choose yours, or compare them here.
- 2.5L L4 0.037–0.043 in gap
- 3.6L V6 0.031–0.035 in gap
0.037–0.043in
Gap · 2.5L L4
0.031–0.035in
Gap · 3.6L V6
2019 Chevrolet Blazer Owner's Manual, PDF page 365
0.95–1.10 mm (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 · PDF page 365
0.95–1.10 mm (0.037–0.043 in)
Spark plugs (gap) · 3.6L V6 · PDF page 365
0.80–0.90 mm (0.031–0.035 in)
2019 Chevrolet Blazer Owner's Manual, PDF page 365
0.95–1.10 mm (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 · PDF page 365
0.95–1.10 mm (0.037–0.043 in)
2019 Chevrolet Blazer Owner's Manual, PDF page 365
0.80–0.90 mm (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 · PDF page 365
0.80–0.90 mm (0.031–0.035 in)

See every quote (2 values)
All versions
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| 2.5L L4 | 0.037–0.043 ingap | “0.95–1.10 mm (0.037–0.043 in)” | PDF page 365 ↗ |
| 3.6L V6 | 0.031–0.035 ingap | “0.80–0.90 mm (0.031–0.035 in)” | PDF page 365 ↗ |
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