DENSO IUH24equivalent & cross reference
The DENSO IUH24 spark plug is directly equivalent to NGK CR8EH-9 and NGK CR8EHIX-9, confirmed by shared applications in both manufacturers' official catalogues.
Equivalents
| Part | Shared applications | Agreement |
|---|---|---|
| NGK CR8EH-9 | 12 | 92% |
| NGK CR8EHIX-9 | 14 | 93% |
Verified fitments for the DENSO IUH24
Equivalence confirmed by 3 independent sources, last verified 22 July 2026. Always confirm fitment against your owner's manual.