Champion L81Y Cross Reference: NGK BP7HS, Denso 4021
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Champion L81Y spark plug cross reference

According to our cross reference data, the Champion L81Y spark plug is equivalent to: NGK BP7HS, Denso 4021.

Spark plug interchange table

BrandPart number
ChampionL81Y (your part)
NGKBP7HS
Denso4021

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Frequently asked questions

What is the equivalent of the Champion L81Y spark plug?

According to our cross reference data, the Champion L81Y spark plug is equivalent to: NGK BP7HS, Denso 4021. 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.