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Denso 3121 spark plug cross reference
According to our cross reference data, the Denso 3121 spark plug is equivalent to: NGK BKR6E-11.
Spark plug interchange table
| Brand | Part number |
|---|---|
| Denso | 3121 (your part) |
| NGK | BKR6E-11 |
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Frequently asked questions
What is the equivalent of the Denso 3121 spark plug?
According to our cross reference data, the Denso 3121 spark plug is equivalent to: NGK BKR6E-11. 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.