# ACDelco 41121

> All equivalents for the ACDelco 41121 spark plug: compatible references, technical specifications and where to buy.

## Technical information

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

## 23 equivalents

- [NGK IFR7X7G](https://www.thesparktwin.com/en/ngk/ifr7x7g/)
- [NGK IFR7X-7G](https://www.thesparktwin.com/en/ngk/ifr7x-7g/)
- [Bosch FR6KII332S](https://www.thesparktwin.com/en/bosch/fr6kii332s/)
- [Champion OE264](https://www.thesparktwin.com/en/champion/oe264/)
- [Denso IK20](https://www.thesparktwin.com/en/denso/ik20/)
- [Denso SC16HR11](https://www.thesparktwin.com/en/denso/sc16hr11/)
- [Marelli W20TT](https://www.thesparktwin.com/en/marelli/w20tt/)
- [Marelli IK20TT](https://www.thesparktwin.com/en/marelli/ik20tt/)
- [Marelli SIB6109-11](https://www.thesparktwin.com/en/marelli/sib6109-11/)
- [NGK 91039](https://www.thesparktwin.com/en/ngk/91039/)
- [Bosch 0242240707](https://www.thesparktwin.com/en/bosch/0242240707/)
- [ACDelco 41-121](https://www.thesparktwin.com/en/acdelco/41-121/)
- [Cadillac 1214066](https://www.thesparktwin.com/en/cadillac/1214066/)
- [Chevrolet 1214066](https://www.thesparktwin.com/en/chevrolet/1214066/)
- [Daewoo 1214066](https://www.thesparktwin.com/en/daewoo/1214066/)
- [Iveco 8026369](https://www.thesparktwin.com/en/iveco/8026369/)
- [Holden 55576026](https://www.thesparktwin.com/en/holden/55576026/)
- [Chevrolet 55576026](https://www.thesparktwin.com/en/chevrolet/55576026/)
- [Opel 55576026](https://www.thesparktwin.com/en/opel/55576026/)
- [Vauxhall 55576026](https://www.thesparktwin.com/en/vauxhall/55576026/)
- [Cadillac 55576026](https://www.thesparktwin.com/en/cadillac/55576026/)
- [Daewoo 55576026](https://www.thesparktwin.com/en/daewoo/55576026/)
- [Opel 95528733](https://www.thesparktwin.com/en/opel/95528733/)

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*Source : [ACDelco 41121](https://www.thesparktwin.com/en/acdelco/41121/) — TheSparkTwin*