2020 Cadillac CT5 Spark plugs
Depends on your version. Choose yours, or compare them here.
- 2.0L L4 Engine (LSY) 0.65–0.75 mm gap
- 3.0L V6 Engine (LGY) 0.65–0.75 mm gap
0.65–0.75mm
Gap · 2.0L L4 Engine (LSY)
0.65–0.75mm
Gap · 3.0L V6 Engine (LGY)
2020 Cadillac CT5 Owner's Manual, PDF page 323
0.65–0.75 mm (0.025–0.029 in)Open the manual at this page ↗Added Oct 16, 2026 · Updated
See where it's printed
Spark plugs (gap) · 2.0L L4 Engine (LSY) · PDF page 323
0.65–0.75 mm (0.025–0.029 in)
Spark plugs (gap) · 3.0L V6 Engine (LGY) · PDF page 323
0.65–0.75 mm (0.025–0.029 in)
2020 Cadillac CT5 Owner's Manual, PDF page 323
0.65–0.75 mm (0.025–0.029 in)Open the manual at this page ↗Added Oct 16, 2026 · Updated
See where it's printed
Spark plugs (gap) · 2.0L L4 Engine (LSY) · PDF page 323
0.65–0.75 mm (0.025–0.029 in)
2020 Cadillac CT5 Owner's Manual, PDF page 323
0.65–0.75 mm (0.025–0.029 in)Open the manual at this page ↗Added Oct 16, 2026 · Updated
See where it's printed
Spark plugs (gap) · 3.0L V6 Engine (LGY) · PDF page 323
0.65–0.75 mm (0.025–0.029 in)
See every quote (2 values)
All versions
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| 2.0L L4 Engine (LSY) | 0.65–0.75 mmgap | “0.65–0.75 mm (0.025–0.029 in)” | PDF page 323 ↗ |
| 3.0L V6 Engine (LGY) | 0.65–0.75 mmgap | “0.65–0.75 mm (0.025–0.029 in)” | PDF page 323 ↗ |
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