DENSO IW22equivalent & cross reference
The DENSO IW22 spark plug is directly equivalent to NGK BP7ES and NGK BPR7EIX and NGK BPR7ES, confirmed by shared applications in both manufacturers' official catalogues.
Equivalents
| Part | Shared applications | Agreement |
|---|---|---|
| NGK BP7ES | 12 | 80% |
| NGK BPR7EIX | 18 | 82% |
| NGK BPR7ES | 6 | 86% |
Verified fitments for the DENSO IW22
Equivalence confirmed by 3 independent sources, last verified 22 July 2026. Always confirm fitment against your owner's manual.