NGK BP6ESequivalent & cross reference
The NGK BP6ES spark plug is directly equivalent to DENSO IW20, confirmed by shared applications in both manufacturers' official catalogues.
Equivalents
| Part | Shared applications | Agreement |
|---|---|---|
| DENSO IW20 | 7 | 100% |
Verified fitments for the NGK BP6ES
Equivalence confirmed by 3 independent sources, last verified 22 July 2026. Always confirm fitment against your owner's manual.