# Torch A4RTF

> All equivalents for the Torch A4RTF spark plug: compatible references, technical specifications and where to buy.

## Technical information

- **Spark plug wrench:** 13/16″ (20,8 mm)
- **Thread:** 18 mm
- **Heat range:** Very hot
- **Resistor:** Yes
- **Seat:** Flat (gasket)
- **Torque:** fonte 35–45 N·m · alu 35–40 N·m — ou 180°–240° (½–⅔ tour)

## 8 equivalents

- [Champion CCH940](https://www.thesparktwin.com/en/champion/cch940/)
- [Champion RDZ19H](https://www.thesparktwin.com/en/champion/rdz19h/)
- [Champion RDZ19HT04](https://www.thesparktwin.com/en/champion/rdz19ht04/)
- [Champion RDZ19H/T04](https://www.thesparktwin.com/en/champion/rdz19h-t04/)
- [Torch A3RTF](https://www.thesparktwin.com/en/torch/a3rtf/)
- [Champion 940](https://www.thesparktwin.com/en/champion/940/)
- [Champion 9401](https://www.thesparktwin.com/en/champion/9401/)
- [Autolite 5438](https://www.thesparktwin.com/en/autolite/5438/)

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*Source : [Torch A4RTF](https://www.thesparktwin.com/en/torch/a4rtf/) — TheSparkTwin*