# Motorcraft BYRF31-4

> All equivalents for the Motorcraft BYRF31-4 spark plug: compatible references, technical specifications and where to buy.

## Technical information

- **Thread:** 18 mm
- **Reach:** 11.1 mm
- **Heat range:** Very hot
- **Torque:** fonte 35–45 N·m · alu 35–40 N·m — ou 180°–240° (½–⅔ tour)

## 14 equivalents

- [Champion RZF10](https://www.thesparktwin.com/en/champion/rzf10/)
- [Denso T16EPR-U](https://www.thesparktwin.com/en/denso/t16epr-u/)
- [Denso IT16](https://www.thesparktwin.com/en/denso/it16/)
- [Motorcraft BYSF34](https://www.thesparktwin.com/en/motorcraft/bysf34/)
- [Motorcraft BYRF314](https://www.thesparktwin.com/en/motorcraft/byrf314/)
- [Motorcraft BYSF3-4](https://www.thesparktwin.com/en/motorcraft/bysf3-4/)
- [Motorcraft BYSF314](https://www.thesparktwin.com/en/motorcraft/bysf314/)
- [Motorcraft BYSF31-4](https://www.thesparktwin.com/en/motorcraft/bysf31-4/)
- [Champion 106](https://www.thesparktwin.com/en/champion/106/)
- [Denso 5022](https://www.thesparktwin.com/en/denso/5022/)
- [Denso 5325](https://www.thesparktwin.com/en/denso/5325/)
- [Autolite 624](https://www.thesparktwin.com/en/autolite/624/)
- [Autolite 824](https://www.thesparktwin.com/en/autolite/824/)
- [Motorcraft 96](https://www.thesparktwin.com/en/motorcraft/96/)

---
*Source : [Motorcraft BYRF31-4](https://www.thesparktwin.com/en/motorcraft/byrf31-4/) — TheSparkTwin*