# Autolite A437

> All equivalents for the Autolite A437 spark plug: compatible references, technical specifications and where to buy.

## Technical information

- **Thread:** 14 mm
- **Heat range:** Hot
- **Resistor:** no
- **Seat:** Flat (gasket)
- **Torque:** fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)

## 11 equivalents

- [Champion H14Y](https://www.thesparktwin.com/en/champion/h14y/)
- [Champion H18Y](https://www.thesparktwin.com/en/champion/h18y/)
- [Champion RH18Y](https://www.thesparktwin.com/en/champion/rh18y/)
- [Motorcraft AL82F4](https://www.thesparktwin.com/en/motorcraft/al82f4/)
- [ACDelco R45LS](https://www.thesparktwin.com/en/acdelco/r45ls/)
- [Napa X527](https://www.thesparktwin.com/en/napa/x527/)
- [Mopar P-4-8P](https://www.thesparktwin.com/en/mopar/p-4-8p/)
- [Champion 91](https://www.thesparktwin.com/en/champion/91/)
- [Champion 857](https://www.thesparktwin.com/en/champion/857/)
- [ACDelco 43LS](https://www.thesparktwin.com/en/acdelco/43ls/)
- [ACDelco 45LS](https://www.thesparktwin.com/en/acdelco/45ls/)

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*Source : [Autolite A437](https://www.thesparktwin.com/en/autolite/a437/) — TheSparkTwin*