# Qichen spark plugs

> All Qichen spark plugs: equivalents, compatible references and technical specs.

## All Qichen references A to Z

- [Qichen 22401ED51A](https://www.thesparktwin.com/en/qichen/22401ed51a/)
- [Qichen 22401ED51B](https://www.thesparktwin.com/en/qichen/22401ed51b/)
- [Qichen 22401ED815](https://www.thesparktwin.com/en/qichen/22401ed815/)
- [Qichen 22401ED815CI34](https://www.thesparktwin.com/en/qichen/22401ed815ci34/)

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