---
Title: Spark Plug NGK GR4
Description: Part number: GR4

Simplified part number: GR4
Language: en-US
Last updated: 2026-01-07
Canonical URL to this Markdown version of this page: [https://euparts.eu/en/spark-plug-ngk-gr4.md](https://euparts.eu/en/spark-plug-ngk-gr4.md)
Canonical URL to HTML version of this page (for humans): [https://euparts.eu/en/spark-plug-ngk-gr4](https://euparts.eu/en/spark-plug-ngk-gr4)
---

# Spark Plug NGK GR4

Breadcrumb: [Spark Plug NGK GR4](https://euparts.eu/en/spark-plug-ngk-gr4.md)



## Product Info

- **Brand**: NGK
- **MPN (Manufacturer Part Numbers)**: GR4
- **EAN**: 087295026359
- **Price**: 3.15 EUR

## Parameters:

- Spanner Size: 20,8 mm
- Thread Size: M14 x 1,25
- Thread Length: 19 mm
- Spark Plug: Nickel Middle Electrode
- Spark Plug: 1 - Earthed Electrode
- Spark Plug: Interference Suppression 5 kOhm
- Spark Plug: with gasket seat
- Spark Position: 4 mm
- Spark Plug: Fixed SAE connector

## Images:

1. [Image 1: Spark Plug NGK GR4](https://digital-assets.tecalliance.services/images/1600/b94e4ae05e0f98762d83a0c47b6126b878539b48.jpg)
2. [Image 2: Spark Plug NGK GR4](https://digital-assets.tecalliance.services/images/1600/6dbe43ca1bc25fa1849aa3168c76b51f75059c8f.gif)