# Bosch 7921

> All equivalents for the Bosch 7921 spark plug: compatible references, technical specifications and where to buy.

## Technical information

- **Thread:** 14 mm
- **Reach:** 9.5 mm
- **Heat range:** Hot
- **Gap:** 1.5mm
- **Resistor:** no
- **Seat:** Flat (gasket)
- **Torque:** fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)

## 14 equivalents

- [Bosch W10FCY](https://www.thesparktwin.com/en/bosch/w10fcy/)
- [Bosch W95TR6X](https://www.thesparktwin.com/en/bosch/w95tr6x/)
- [Mighty R827](https://www.thesparktwin.com/en/mighty/r827/)
- [Napa X706](https://www.thesparktwin.com/en/napa/x706/)
- [Atlas Auto C63R7](https://www.thesparktwin.com/en/atlas-auto/c63r7/)
- [Precisiontune P4R82 7](https://www.thesparktwin.com/en/precisiontune/p4r82-7/)
- [Bosch 7520](https://www.thesparktwin.com/en/bosch/7520/)
- [Bosch 7521](https://www.thesparktwin.com/en/bosch/7521/)
- [Champion 50](https://www.thesparktwin.com/en/champion/50/)
- [Autolite 847](https://www.thesparktwin.com/en/autolite/847/)
- [Valley Forge 167R](https://www.thesparktwin.com/en/valley-forge/167r/)
- [Delphi 232616](https://www.thesparktwin.com/en/delphi/232616/)
- [Westernauto 64-1115-1](https://www.thesparktwin.com/en/westernauto/64-1115-1/)
- [Westernauto 64-1923-8](https://www.thesparktwin.com/en/westernauto/64-1923-8/)

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*Source : [Bosch 7921](https://www.thesparktwin.com/en/bosch/7921/) — TheSparkTwin*