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This NGK Spark Plug (94489) ILTR6M9G: Fits Opel/Vauxhall Insignia is an OEM-quality replacement part and is suitable for selected vehicles.
A spark plug performs an essential function, as the main source of power in any petrol engine, driving the combustion process that creates power. A spark plug is responsible for igniting the air-fuel mixture in a petrol engine’s combustion chamber, setting a vehicle in motion.
Almost every petrol engine on the market can use NGK spark plugs.
| Spanner Size | 16 mm |
| Thread Size | M14 x 1,25 |
| Thread Length [mm] | 25,0 |
| Spark Plug | Fixed SAE connector |
| Electrode Gap [mm] | 0,9 |
| Spark Plug | Iridium Middle Electrode |
| Spark Plug | 1 - Earthed Electrode |
| Spark Plug | Interference Suppression 5 kOhm |
| Spark Position [mm] | 3,5 |
| Spark Plug | with taper gasket seat |
Spark Plug Health Check
Use Spark Plugs To Check Your Engine Health
Read More
Heat Ranges Explained
Learn what a spark plugs heat range means, and how it can effect your engine
Read More
Heat Cross Reference
Use our spark plug heat range cross reference table
Cross Reference Heat Range
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