# Bombardier 509921

> All equivalents for the Bombardier 509921 spark plug: compatible references, technical specifications and where to buy.

## Technical information

- **Thread:** 14 mm
- **Reach:** 12.7 mm
- **Heat range:** Very hot
- **Torque:** fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)

## 12 equivalents

- [Champion L77V](https://www.thesparktwin.com/en/champion/l77v/)
- [Champion L76V058](https://www.thesparktwin.com/en/champion/l76v058/)
- [Champion L76V110](https://www.thesparktwin.com/en/champion/l76v110/)
- [Champion L76V128](https://www.thesparktwin.com/en/champion/l76v128/)
- [Champion L76VR02](https://www.thesparktwin.com/en/champion/l76vr02/)
- [Champion CCH827M](https://www.thesparktwin.com/en/champion/cch827m/)
- [Denso SF50](https://www.thesparktwin.com/en/denso/sf50/)
- [Marelli CW12NV](https://www.thesparktwin.com/en/marelli/cw12nv/)
- [Champion 827M](https://www.thesparktwin.com/en/champion/827m/)
- [Motorcraft AVKO](https://www.thesparktwin.com/en/motorcraft/avko/)
- [Bombardier 384751](https://www.thesparktwin.com/en/bombardier/384751/)
- [Bombardier 502896](https://www.thesparktwin.com/en/bombardier/502896/)

---
*Source : [Bombardier 509921](https://www.thesparktwin.com/en/bombardier/509921/) — TheSparkTwin*