# ACDelco 18

> All equivalents for the ACDelco 18 spark plug: compatible references, technical specifications and where to buy.

## Technical information

- **Reach:** 15.2–19.0 mm
- **Heat range:** Hot
- **Gap:** 1.3mm
- **Resistor:** no
- **Seat:** Flat (gasket)

## 12 equivalents

- [Champion W89D](https://www.thesparktwin.com/en/champion/w89d/)
- [Champion A44-44D](https://www.thesparktwin.com/en/champion/a44-44d/)
- [Champion W89D014](https://www.thesparktwin.com/en/champion/w89d014/)
- [Champion W89D/014](https://www.thesparktwin.com/en/champion/w89d-014/)
- [Motorcraft TT15](https://www.thesparktwin.com/en/motorcraft/tt15/)
- [Champion 589](https://www.thesparktwin.com/en/champion/589/)
- [Champion 7436](https://www.thesparktwin.com/en/champion/7436/)
- [Autolite 3077](https://www.thesparktwin.com/en/autolite/3077/)
- [Motorcraft 101](https://www.thesparktwin.com/en/motorcraft/101/)
- [General Motors 5613050](https://www.thesparktwin.com/en/general-motors/5613050/)
- [GGP 9089525](https://www.thesparktwin.com/en/ggp/9089525/)
- [Stitt 17E/17EX](https://www.thesparktwin.com/en/stitt/17e-17ex/)

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*Source : [ACDelco 18](https://www.thesparktwin.com/en/acdelco/18/) — TheSparkTwin*