# Autolite 3911

> All equivalents for the Autolite 3911 spark plug: compatible references, technical specifications and where to buy.

## Technical information

- **Thread:** 14 mm
- **Reach:** 18.5–21.5 mm
- **Heat range:** Very hot
- **Gap:** 1.5mm
- **Resistor:** yes
- **Seat:** Flat (gasket)
- **Torque:** fonte 25–35 N·m · alu 25–30 N·m — ou 180°–240° (½–⅔ tour)

## 19 equivalents

- [NGK B9ES](https://www.thesparktwin.com/en/ngk/b9es/)
- [Bosch WR9DCY](https://www.thesparktwin.com/en/bosch/wr9dcy/)
- [Champion C61](https://www.thesparktwin.com/en/champion/c61/)
- [Champion RN16YC5](https://www.thesparktwin.com/en/champion/rn16yc5/)
- [Champion RN16YC5/014](https://www.thesparktwin.com/en/champion/rn16yc5-014/)
- [Champion RN16YC5/T04](https://www.thesparktwin.com/en/champion/rn16yc5-t04/)
- [Autolite AR3911](https://www.thesparktwin.com/en/autolite/ar3911/)
- [ACDelco R44XLS6](https://www.thesparktwin.com/en/acdelco/r44xls6/)
- [Newstar F4RLC11](https://www.thesparktwin.com/en/newstar/f4rlc11/)
- [Mighty M4GR526](https://www.thesparktwin.com/en/mighty/m4gr526/)
- [Newstar F4RLC-11](https://www.thesparktwin.com/en/newstar/f4rlc-11/)
- [Hirih H14F4RLC11](https://www.thesparktwin.com/en/hirih/h14f4rlc11/)
- [Hirih H14F5RTC15](https://www.thesparktwin.com/en/hirih/h14f5rtc15/)
- [Bosch 7514](https://www.thesparktwin.com/en/bosch/7514/)
- [Champion 105](https://www.thesparktwin.com/en/champion/105/)
- [Prestolite 4GR526](https://www.thesparktwin.com/en/prestolite/4gr526/)
- [Prestolite 4GR52A](https://www.thesparktwin.com/en/prestolite/4gr52a/)
- [General Motors 5613932](https://www.thesparktwin.com/en/general-motors/5613932/)
- [Beck Arnley 176-9051](https://www.thesparktwin.com/en/beck-arnley/176-9051/)

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*Source : [Autolite 3911](https://www.thesparktwin.com/en/autolite/3911/) — TheSparkTwin*