# Valeo D5CP121

> All equivalents for the Valeo D5CP121 spark plug: compatible references, technical specifications and where to buy.

## Technical information

- **Reach:** 15.2–19.0 mm
- **Heat range:** Medium
- **Resistor:** no
- **Seat:** Flat (gasket)

## 9 equivalents

- [Champion W423](https://www.thesparktwin.com/en/champion/w423/)
- [Champion CH218](https://www.thesparktwin.com/en/champion/ch218/)
- [Champion GX129](https://www.thesparktwin.com/en/champion/gx129/)
- [Eyquem BP708](https://www.thesparktwin.com/en/eyquem/bp708/)
- [Metzger H1739](https://www.thesparktwin.com/en/metzger/h1739/)
- [Champion 916748](https://www.thesparktwin.com/en/champion/916748/)
- [Champion 11721739](https://www.thesparktwin.com/en/champion/11721739/)
- [Herthundbuss 19571005](https://www.thesparktwin.com/en/herthundbuss/19571005/)
- [Chrysler 5058011AD](https://www.thesparktwin.com/en/chrysler/5058011ad/)

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*Source : [Valeo D5CP121](https://www.thesparktwin.com/en/valeo/d5cp121/) — TheSparkTwin*