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The Green Spark Plug Company£8.92Visit shop Ngk Ilkar7b11 4912 Spark Plug Iridium New Ngk-Ilkar7b11
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The NGK Laser Iridium Spark Plug (ILKAR7B11, MPN: 4912) is designed for automotive enthusiasts and drivers looking to maintain or enhance their engine's ignition efficiency and reliability. This premium spark plug offers superior ignitability and long-lasting durability through its iridium-tipped electrode, making it an excellent choice for modern high-performance engines; however, it requires strict adherence to vehicle-specific compatibility charts to ensure proper fitment and performance.
| Model Part Number | NGK-ILKAR7B11 |
|---|---|
| Brand | NGK |
While Iridium plugs are known for long service life, you should refer to your vehicle's owner manual for the recommended maintenance interval, typically ranging from 60,000 to 100,000 miles.
Laser Iridium plugs come pre-gapped from the factory. It is generally recommended not to adjust the gap, as the iridium tip is fragile and easily damaged.
It is an OEM-grade premium spark plug designed for durability and efficiency, often used as an upgrade over standard copper-core plugs.
No, you must tighten the spark plug to the vehicle manufacturer's specified torque setting using a torque wrench.
Always cross-reference your vehicle's engine code with the part number ILKAR7B11 before purchasing. If bought from an authorized stockist, check their return policy for incorrect fitment.
Verify that the spark plug wire or ignition coil is fully seated on the terminal and check that the plug is tightened to the correct torque specification.
Confirm that the plug gap was not altered during installation and ensure the spark plug is the exact model required for the vehicle's engine management system.
This is often caused by over-tightening or using a socket that is not properly aligned. Use a spark plug socket with an internal rubber grommet to protect the ceramic.
Before installation, use a digital service manual or a compatibility lookup tool to verify the ILKAR7B11 is the correct part for your specific vehicle make, model, and engine type. When installing, always use a torque wrench to meet the manufacturer's specified torque settings; over-tightening can crack the ceramic insulator or damage the cylinder head threads. Inspect the threads for debris and ensure the new plug is started by hand to avoid cross-threading. If you notice carbon buildup on the shell or excessive electrode erosion upon removal, this may indicate underlying engine issues such as oil consumption or improper air-fuel ratios.
