Champion RJ18Y Cross Reference: NGK BPR4S
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Champion RJ18Y spark plug cross reference

According to our cross reference data, the Champion RJ18Y spark plug is equivalent to: NGK BPR4S.

Spark plug interchange table

BrandPart number
ChampionRJ18Y (your part)
NGKBPR4S

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Frequently asked questions

What is the equivalent of the Champion RJ18Y spark plug?

According to our cross reference data, the Champion RJ18Y spark plug is equivalent to: NGK BPR4S. 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.