2006 Toyota 4Runner Spark Plugs
2006 Toyota 4Runner spark plugs for each version, from the owner's manual with page references. Values differ by version; see each version.
Depends on your version. Choose yours, or compare them here.
- 4.0 L V6 (1GR-FE), DENSO K20HR-U11 part number·0.043 in gap
- 4.0 L V6 (1GR-FE), NGK LFR6C11 part number·0.043 in gap
- 4.7 L V8 (2UZ-FE), DENSO SK20R11 part number·0.043 in gap
- 4.7 L V8 (2UZ-FE), NGK IFR6A11 part number·0.043 in gap
K20HR-U11
Part number · 4.0 L V6 (1GR-FE), DENSO
- Gap0.043 in
LFR6C11
Part number · 4.0 L V6 (1GR-FE), NGK
- Gap0.043 in
SK20R11
Part number · 4.7 L V8 (2UZ-FE), DENSO
- Gap0.043 in
IFR6A11
Part number · 4.7 L V8 (2UZ-FE), NGK
- Gap0.043 in
2006 Toyota 4Runner Owner's Manual, PDF page 457
K20HR−U11Open the manual at this page ↗Added Oct 24, 2026 · Updated
See where it's printed
Spark plugs (part number) · 4.0 L V6 (1GR-FE), DENSO · PDF page 457
K20HR−U11
Spark plugs (gap) · All versions · PDF page 457
1.1 (0.043)
Spark plugs (part number) · 4.0 L V6 (1GR-FE), NGK · PDF page 457
LFR6C11
Spark plugs (gap) · All versions · PDF page 457
1.1 (0.043)
Spark plugs (part number) · 4.7 L V8 (2UZ-FE), DENSO · PDF page 457
SK20R11
Spark plugs (gap) · All versions · PDF page 457
1.1 (0.043)
Spark plugs (part number) · 4.7 L V8 (2UZ-FE), NGK · PDF page 457
IFR6A11
Spark plugs (gap) · All versions · PDF page 457
1.1 (0.043)
2006 Toyota 4Runner Owner's Manual, PDF page 457
K20HR−U11Open the manual at this page ↗Added Oct 24, 2026 · Updated
See where it's printed
Spark plugs (part number) · 4.0 L V6 (1GR-FE), DENSO · PDF page 457
K20HR−U11
Spark plugs (gap) · All versions · PDF page 457
1.1 (0.043)
2006 Toyota 4Runner Owner's Manual, PDF page 457
LFR6C11Open the manual at this page ↗Added Oct 24, 2026 · Updated
See where it's printed
Spark plugs (part number) · 4.0 L V6 (1GR-FE), NGK · PDF page 457
LFR6C11
Spark plugs (gap) · All versions · PDF page 457
1.1 (0.043)
2006 Toyota 4Runner Owner's Manual, PDF page 457
SK20R11Open the manual at this page ↗Added Oct 24, 2026 · Updated
See where it's printed
Spark plugs (part number) · 4.7 L V8 (2UZ-FE), DENSO · PDF page 457
SK20R11
Spark plugs (gap) · All versions · PDF page 457
1.1 (0.043)
2006 Toyota 4Runner Owner's Manual, PDF page 457
IFR6A11Open the manual at this page ↗Added Oct 24, 2026 · Updated
See where it's printed
Spark plugs (part number) · 4.7 L V8 (2UZ-FE), NGK · PDF page 457
IFR6A11
Spark plugs (gap) · All versions · PDF page 457
1.1 (0.043)
All versions
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| 4.0 L V6 (1GR-FE), DENSO | K20HR-U11part number | “K20HR−U11” | PDF page 457 ↗ |
| 4.0 L V6 (1GR-FE), NGK | LFR6C11part number | “LFR6C11” | PDF page 457 ↗ |
| 4.7 L V8 (2UZ-FE), DENSO | SK20R11part number | “SK20R11” | PDF page 457 ↗ |
| 4.7 L V8 (2UZ-FE), NGK | IFR6A11part number | “IFR6A11” | PDF page 457 ↗ |
| All versions | 0.043 ingap | “1.1 (0.043)” | PDF page 457 ↗ |
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Get the right part
For 4.0 L V6 (1GR-FE), NGK
For 4.7 L V8 (2UZ-FE), DENSO
For 4.7 L V8 (2UZ-FE), NGK
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