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The Green Spark Plug Company£11.47Visit shop Ngk Silzkr7a-S 7718 Spark Plug Laser Iridium Silzkr7as New Ngk-Silzkr7a-S Small
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This NGK Laser Iridium Spark Plug (part number 7718) is designed for vehicle owners seeking improved ignition performance and engine efficiency. Its key benefit is the advanced Iridium construction for enhanced durability and a consistent spark. A potential consideration is the need for precise installation to ensure optimal function. This guide will walk you through its features, use, and maintenance.
| Model Part Number | 7718 |
|---|---|
| Brand | NGK |
Iridium spark plugs, like the NGK 7718, feature a highly durable Iridium alloy on the center electrode. This allows for a smaller electrode tip, which requires less voltage to ignite the fuel-air mixture, leading to improved ignitability, performance, and a longer lifespan.
You should consult your vehicle's owner's manual or a reliable automotive parts catalog. The NGK 7718 is known to cross-reference with specific OEM part numbers for MAYBACH, MERCEDES-BENZ, and SMART vehicles (e.g., 0041592503, 0041592563).
It is crucial to tighten the spark plug to the torque specification recommended by your vehicle's manufacturer. Over-tightening can damage the cylinder head or the spark plug itself. A torque wrench is essential for proper installation.
While the NGK 7718 often comes pre-gapped for many applications, it is always best practice to check and adjust the gap to your vehicle's specific requirements using a proper gapping tool.
Interference suppression refers to the resistor built into the spark plug (in this case, 1 kOhm). This resistor helps to reduce electromagnetic interference (EMI) generated by the ignition system, which can interfere with sensitive electronics in your vehicle.
NGK Laser Iridium spark plugs are designed for extended service life. Replacement intervals vary by vehicle and driving conditions, but they typically last significantly longer than standard copper or platinum plugs. Always refer to your vehicle's maintenance schedule for recommended replacement intervals.
Double-check that the spark plug is fully seated and tightened to the correct torque. Ensure the ignition coil or wire is securely connected. Verify the spark plug gap is set to the vehicle manufacturer's specification.
Confirm correct installation and proper gapping. Check the vehicle's ignition system for other potential issues. Ensure the correct spark plug part number was used for the vehicle.
Do not install a damaged spark plug. Contact the seller or manufacturer for a replacement.
Compatibility:
Before installation, verify that the NGK 7718 spark plug is listed as a compatible replacement for your vehicle's make, model, and year. Check your vehicle's owner's manual or consult an automotive parts database. This plug is a direct cross-reference for OEM part numbers 0041592503 and 0041592563 used by MAYBACH, MERCEDES-BENZ, and SMART.
Installation:
Care:
These are high-performance spark plugs designed for minimal maintenance. No special care is typically required beyond ensuring they are correctly installed. They are designed to last for many thousands of miles. Avoid cleaning or re-gapping unless specifically recommended by the vehicle manufacturer for this type of plug.
