# Bosch 7921

> Bosch 7921 火花塞的全部等效型号：兼容参考、技术规格以及购买渠道。

## 技术信息

- **螺纹:** 14 mm
- **伸出长度:** 9.5 mm
- **热值:** 热
- **电极间隙:** 1.5mm
- **电阻:** no
- **密封座:** 平面（垫片）
- **扭矩:** fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)

## 14 个等效型号

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

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