2024 Chevrolet Silverado 2500HD/3500HD Spark plugs
0.037–0.043in
Gap · 6.6L V8 (L8T)
2024 Chevrolet Silverado 2500HD/3500HD Owner's Manual, PDF page 400
6.6L V8 (L8T) 7 0.95–1.10 mm (0.037–0.043 in)Open the manual at this page ↗Added Oct 15, 2026 · Updated
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Spark plugs (gap) · 6.6L V8 (L8T) · PDF page 400
6.6L V8 (L8T) 7 0.95–1.10 mm (0.037–0.043 in)
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As printed in the manual
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| 6.6L V8 (L8T) | 0.037–0.043 ingap | “6.6L V8 (L8T) 7 0.95–1.10 mm (0.037–0.043 in)” | PDF page 400 ↗ |
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