# Buy NGK IFR7X7G spark plug at Autoservice ## NGK IFR7X7G spark plug with iridium center electrode Parts / Ignition System / Spark plugs NGK IFR7X7G spark plug with iridium center electrode for optimal performance and long lifespan. ## Prices and stock - **NGK 91039**: € 26,38 incl. VAT — 8 in stock ## Order URL [NGK IFR7X7G spark plug with iridium center electrode](https://www.auto-service.be/en/parts/ignition-system/spark-plugs/spark-plug-ngk-ifr7x7g) ## Alternate URLs - **nl**: [NGK IFR7X7G spark plug with iridium center electrode](https://www.auto-service.be/nl/onderdelen/ontstekingssysteem/bougies/bougie-ngk-ifr7x7g) - **fr**: [NGK IFR7X7G spark plug with iridium center electrode](https://www.auto-service.be/fr/pieces/systeme-dallumage/bougies/bougie-dallumage-ngk-ifr7x7g) - **en**: [NGK IFR7X7G spark plug with iridium center electrode](https://www.auto-service.be/en/parts/ignition-system/spark-plugs/spark-plug-ngk-ifr7x7g) ## Images - ![Product image](https://www.auto-service.be/assets/media/15372/conversions/bougie-ngk-ifr7x7g-084403-optimized.jpg) ## Specifications - **Reference**: NGK 91039 - **EAN**: 087295910399 - **Brand**: NGK ## Product description ### High-quality iridium center electrode The NGK IFR7X7G spark plug is equipped with an iridium center electrode. Iridium has an extremely high melting point, resulting in a durable and stable spark. This contributes to more efficient combustion and better engine performance. ### Superior anti-corrosion properties Thanks to the trivalent metal plating, this spark plug offers excellent protection against corrosion and seizing. This ensures a longer lifespan and reliability of the spark plug, even under tough conditions. ### Advanced construction for optimal performance The spark plug features a laser-welded iridium center electrode and a platinum disc on the ground electrode. This combination provides a consistent spark and reduces wear, resulting in longer life and improved engine performance. ### Technical specifications - **Thread size:** M14 x 1.25 - **Thread length:** 19.0 mm - **Wrench size:** 16 mm - **Heat rating:** 7 - **Resistance:** 5 kOhm - **Spark gap:** 3.5 mm - **Seat type:** With flange seat - **Connection:** Fixed SAE connection ### Compatibility and applications The NGK IFR7X7G spark plug is suitable for various car models, including certain models from Chevrolet, Opel, and Vauxhall. Always check your vehicle's specifications to ensure compatibility. ### Benefits of the NGK IFR7X7G spark plug - **Better fuel efficiency:** More efficient combustion can reduce fuel consumption. - **Faster start and acceleration:** The stable spark ensures smooth starting and responsive acceleration. - **Long lifespan:** The high-quality materials and construction ensure a longer lifespan for the spark plug. ## Breadcrumbs - [Parts](https://www.auto-service.be/en/parts) - [Ignition System](https://www.auto-service.be/en/parts/ignition-system) - [Spark plugs](https://www.auto-service.be/en/parts/ignition-system/spark-plugs) ## Related products - [NGK BCPR5ES spark plug with nickel center electrode](https://www.auto-service.be/en/parts/ignition-system/spark-plugs/spark-plug-ngk-bcpr5es) - [NGK BCPR6ES-11 spark plug with nickel electrode](https://www.auto-service.be/en/parts/ignition-system/spark-plugs/spark-plug-ngk-bcpr6es11) - [NGK BPR7ES spark plug with nickel center electrode](https://www.auto-service.be/en/parts/ignition-system/spark-plugs/spark-plug-ngk-bpr7es) - 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