# Bosch YR9B

> All equivalents for the Bosch YR9B spark plug: compatible references, technical specifications and where to buy.

## Technical information

- **Thread:** 12 mm
- **Reach:** 12.7 mm
- **Heat range:** Very hot
- **Electrode:** Nickel
- **Resistor:** yes
- **Seat:** Flat (gasket)
- **Torque:** fonte 15–25 N·m · alu 15–20 N·m — ou 180° (½ tour)

## 10 equivalents

- [Autolite A25](https://www.thesparktwin.com/en/autolite/a25/)
- [Motorcraft SP-450](https://www.thesparktwin.com/en/motorcraft/sp-450/)
- [Motorcraft ASF42CF4](https://www.thesparktwin.com/en/motorcraft/asf42cf4/)
- [Splitfire CC002E](https://www.thesparktwin.com/en/splitfire/cc002e/)
- [Bluelightning BL642](https://www.thesparktwin.com/en/bluelightning/bl642/)
- [Mopar P-55-7P](https://www.thesparktwin.com/en/mopar/p-55-7p/)
- [Mopar P-55-7PR](https://www.thesparktwin.com/en/mopar/p-55-7pr/)
- [Autolite 25](https://www.thesparktwin.com/en/autolite/25/)
- [Motorcraft 450](https://www.thesparktwin.com/en/motorcraft/450/)
- [Motorcraft 856](https://www.thesparktwin.com/en/motorcraft/856/)

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*Source : [Bosch YR9B](https://www.thesparktwin.com/en/bosch/yr9b/) — TheSparkTwin*