NGK CR9Eequivalent & cross reference
The NGK CR9E spark plug is directly equivalent to DENSO U27ESR-N and DENSO IU27, confirmed by shared applications in both manufacturers' official catalogues.
Equivalents
| Part | Shared applications | Agreement |
|---|---|---|
| DENSO U27ESR-N | 27 | 87% |
| DENSO IU27 | 27 | 87% |
Verified fitments for the NGK CR9E
Equivalence confirmed by 3 independent sources, last verified 22 July 2026. Always confirm fitment against your owner's manual.