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The Green Spark Plug Company£11.07Visit shop Ngk Ilzkr6p11s 93465 Spark Plug Iridium New Ngk-Ilzkr6p11s
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The NGK ILZKR6P11S Laser Iridium spark plug is designed for vehicle owners and mechanics seeking an original-equipment quality replacement to restore engine efficiency and ignition reliability. Featuring advanced laser-welded iridium technology, this plug offers exceptional durability and consistent firing, though users should ensure their engine’s ignition system is fully compatible to avoid premature wear.
| Model Part Number | ILZKR6P11S |
|---|---|
| Brand | NGK |
Refer to your vehicle's maintenance schedule; while these are long-life plugs, local driving conditions may affect the recommended replacement interval.
While pre-gapped at the factory, it is always recommended to verify the gap against your engine's specific requirements before installation.
NGK recommends against using anti-seize, as these plugs feature a specialized coating to prevent seizing; adding anti-seize can lead to over-torquing.
Iridium is much harder and has a higher melting point, allowing for a thinner center electrode which improves ignition efficiency and lasts significantly longer.
Always cross-reference the MPN (ILZKR6P11S) with your vehicle's service manual or the NGK online fitment tool to ensure compatibility.
Check the plug gap to ensure it meets manufacturer specifications and confirm the ignition coil is fully seated on the plug.
Verify that you have used the correct part number (ILZKR6P11S) and that no debris fell into the cylinder head during installation.
To install, always ensure the engine is completely cool. Use a high-quality spark plug socket with a rubber insert to prevent damage to the ceramic insulator. When installing, start the plug by hand to prevent cross-threading the cylinder head. It is recommended to use a torque wrench to tighten the plug to the manufacturer's specific torque value rather than relying on feel. Avoid using excessive anti-seize compound on the threads, as modern NGK plugs often feature a trivalent plating that resists corrosion and seizing. Always verify your vehicle's owner manual for the correct replacement interval and gap requirements.
