NGK 4663 Spark Plug

Buyer fitment guide only intended as reference. Please use catalogue search by vehicle to ensure proper fitment.

• NGK 4663
• Aprilia 8224684
• Peugeot 746174
• Piaggio 638852
• NGK CR7EB
• Aprilia 638852

• ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction nickel alloy center electrode provides consistent performance
• COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
• NGK's OE CERAMIC TECHNOLOGY: High grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance
• RECOMMENDED USAGE: Best for vehicles with OE nickel alloy plugs, not recommended on vehicles with factory precious metal plugs
• SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
• TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
• NGK Standard spark plugs are a proven technology and OE cornerstone that have provided decades of reliable performance. Engineered specifically for OE applications, NGK Standard spark plugs provide traditional nickel alloy performance and design. For even greater performance consider upgrading to a NGK Iridium IX Spark Plug.

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