Beru 666MJ Cross Reference: NGK Y-910J, Brisk 21R71
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Beru 666MJ spark plug cross reference

According to our cross reference data, the Beru 666MJ spark plug is equivalent to: NGK Y-910J, Brisk 21R71.

Spark plug interchange table

BrandPart number
Beru666MJ (your part)
NGKY-910J
Brisk21R71

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Frequently asked questions

What is the equivalent of the Beru 666MJ spark plug?

According to our cross reference data, the Beru 666MJ spark plug is equivalent to: NGK Y-910J, Brisk 21R71. 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.