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The Green Spark Plug Company£10.77Visit shop Ngk Ilkar7j7g 91121 Spark Plug Laser Iridium New Ngk-Ilkar7j7g
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The NGK Laser Iridium Spark Plug (ILKAR7J7G) is engineered for automotive enthusiasts and DIY mechanics who require original equipment (OE) precision to maintain peak engine efficiency, improved ignitability, and consistent performance. Featuring a laser-welded iridium center electrode and a platinum ground electrode, these plugs provide an exceptionally long service life and stable idle; however, users must verify compatibility against their specific engine's technical requirements before installation as improper heat ranges or dimensions can cause engine damage.
| Model Part Number | Ilkar7J7G |
|---|---|
| Brand | NGK |
NGK Laser Iridium plugs are pre-gapped at the factory. However, it is recommended to verify the gap against your vehicle's specifications before installation.
No. NGK spark plugs feature a trivalent metal plating that eliminates the need for anti-seize compound.
The iridium/platinum construction is designed for long service life, typically exceeding 60,000 to 100,000 miles depending on driving conditions.
The iridium tip is extremely durable and has a very small diameter, which requires less voltage to fire and results in more efficient combustion.
Only if the part is listed as compatible for your specific engine. Installing an incorrect spark plug can lead to engine damage.
Verify the spark plug gap is correct according to your vehicle's service manual and ensure the ignition coil is fully seated.
Stop immediately to avoid cross-threading. Ensure the threads are clean and the plug is aligned perfectly before turning.
Check that the correct heat range plug was selected for your specific engine and verify that all ignition wires or coils are connected firmly.
Before installation, always verify the part number ILKAR7J7G against your vehicle owner's manual or an official NGK cross-reference catalog. To install, ensure the engine is cool to prevent cross-threading in aluminum cylinder heads. Use a torque wrench set to the manufacturer's specified value to ensure the crush washer seats correctly. Avoid using anti-seize compounds on NGK spark plug threads, as the trivalent plating is specifically designed to prevent seizing, and adding lubricant can lead to over-tightening. Regularly inspect the tips during scheduled maintenance intervals to ensure no abnormal fouling or deposits are present.
