Denso W9PR-U Cross Reference: NGK BP-4, Champion J18YC
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Denso W9PR-U spark plug cross reference

According to our cross reference data, the Denso W9PR-U spark plug is equivalent to: NGK BP-4, Champion J18YC.

Spark plug interchange table

BrandPart number
DensoW9PR-U (your part)
NGKBP-4
ChampionJ18YC

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Frequently asked questions

What is the equivalent of the Denso W9PR-U spark plug?

According to our cross reference data, the Denso W9PR-U spark plug is equivalent to: NGK BP-4, Champion J18YC. Always confirm heat range, thread size and reach in the manufacturer catalog for your engine.

Cross reference tables by brand

Denso cross referenceChampion cross referenceBrisk cross referenceBosch cross referenceBeru cross referenceNGK cross reference

Cross references are for guidance only. Confirm heat range, thread size, reach and gap for your engine in the manufacturer catalog before buying.