# Splitfire SF40D

> All equivalents for the Splitfire SF40D spark plug: compatible references, technical specifications and where to buy.

## Technical information

- **Thread:** 14 mm
- **Reach:** 19.0 mm
- **Heat range:** Medium
- **Gap:** 1.0mm
- **Resistor:** yes
- **Seat:** Flat (gasket)
- **Torque:** fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)

## 37 equivalents

- [Champion RN4C](https://www.thesparktwin.com/en/champion/rn4c/)
- [Champion RN4C/051](https://www.thesparktwin.com/en/champion/rn4c-051/)
- [Champion OE162/T10](https://www.thesparktwin.com/en/champion/oe162-t10/)
- [Denso W20ESR-U](https://www.thesparktwin.com/en/denso/w20esr-u/)
- [Autolite A404](https://www.thesparktwin.com/en/autolite/a404/)
- [Autolite A405](https://www.thesparktwin.com/en/autolite/a405/)
- [Motorcraft AGS4CF4](https://www.thesparktwin.com/en/motorcraft/ags4cf4/)
- [Bosna FE75R](https://www.thesparktwin.com/en/bosna/fe75r/)
- [Bosna FE75CR](https://www.thesparktwin.com/en/bosna/fe75cr/)
- [Mopar P-6-3S](https://www.thesparktwin.com/en/mopar/p-6-3s/)
- [Mopar P-6-4S](https://www.thesparktwin.com/en/mopar/p-6-4s/)
- [Mopar P-6-6S](https://www.thesparktwin.com/en/mopar/p-6-6s/)
- [Mopar P-N-21](https://www.thesparktwin.com/en/mopar/p-n-21/)
- [Hirih H14F7RC](https://www.thesparktwin.com/en/hirih/h14f7rc/)
- [Mopar P-6-4SR](https://www.thesparktwin.com/en/mopar/p-6-4sr/)
- [MTD TC34645](https://www.thesparktwin.com/en/mtd/tc34645/)
- [MTD GW1763891](https://www.thesparktwin.com/en/mtd/gw1763891/)
- [Tacti V9110-3051](https://www.thesparktwin.com/en/tacti/v9110-3051/)
- [Tacti V9110-3057](https://www.thesparktwin.com/en/tacti/v9110-3057/)
- [Champion 104](https://www.thesparktwin.com/en/champion/104/)
- [Denso 3023](https://www.thesparktwin.com/en/denso/3023/)
- [Denso 3024](https://www.thesparktwin.com/en/denso/3024/)
- [Denso 067700-2341](https://www.thesparktwin.com/en/denso/067700-2341/)
- [Autolite 404](https://www.thesparktwin.com/en/autolite/404/)
- [Mighty 404](https://www.thesparktwin.com/en/mighty/404/)
- [Tecumseh 34645](https://www.thesparktwin.com/en/tecumseh/34645/)
- [MTD 34654](https://www.thesparktwin.com/en/mtd/34654/)
- [MTD 1763891](https://www.thesparktwin.com/en/mtd/1763891/)
- [Mercruiser 3337405](https://www.thesparktwin.com/en/mercruiser/3337405/)
- [Mercruiser 3354527](https://www.thesparktwin.com/en/mercruiser/3354527/)
- [Mercruiser 3360056](https://www.thesparktwin.com/en/mercruiser/3360056/)
- [Kawasaki 92070-1041](https://www.thesparktwin.com/en/kawasaki/92070-1041/)
- [Suzuki 09482-00071](https://www.thesparktwin.com/en/suzuki/09482-00071/)
- [Daihatsu 90048-51015](https://www.thesparktwin.com/en/daihatsu/90048-51015/)
- [Daihatsu 90048-51038](https://www.thesparktwin.com/en/daihatsu/90048-51038/)
- [Daihatsu 99934-16685](https://www.thesparktwin.com/en/daihatsu/99934-16685/)
- [Daihatsu 99906-850P9008](https://www.thesparktwin.com/en/daihatsu/99906-850p9008/)

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*Source : [Splitfire SF40D](https://www.thesparktwin.com/en/splitfire/sf40d/) — TheSparkTwin*