2021 Ford Bronco Spark plugs
Depends on your version. Choose yours, or compare them here.
- 2.3L EcoBoost SP-578 part number
- 2.7L EcoBoost SP-578 part number
SP-578
Part number · 2.3L EcoBoost
SP-578
Part number · 2.7L EcoBoost
2021 Ford Bronco Owner's Manual, PDF pages 399 and 400
SP-578Open the manual at this page ↗Added Oct 16, 2026 · Updated
See where it's printed
Spark plugs (part number) · 2.3L EcoBoost · PDF page 399
SP-578
Spark plugs (part number) · 2.7L EcoBoost · PDF page 400
SP-578
2021 Ford Bronco Owner's Manual, PDF page 399
SP-578Open the manual at this page ↗Added Oct 16, 2026 · Updated
See where it's printed
Spark plugs (part number) · 2.3L EcoBoost · PDF page 399
SP-578
2021 Ford Bronco Owner's Manual, PDF page 400
SP-578Open the manual at this page ↗Added Oct 16, 2026 · Updated
See where it's printed
Spark plugs (part number) · 2.7L EcoBoost · PDF page 400
SP-578
See every quote (2 values)
All versions
| Applies to | Value | Manual says | Page |
|---|---|---|---|
| 2.3L EcoBoost | SP-578part number | “SP-578” | PDF page 399 ↗ |
| 2.7L EcoBoost | SP-578part number | “SP-578” | PDF page 400 ↗ |
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