| NGK Number | NGK Model |
| 5787 | ILZKR7B-11S |
| 7751 | ILZKR7B11 |
| 7960 | ILZKR7B11GS |
| 92932 | SILZKR7C11S |
Engine Coil Spark Plugs are critical components in automotive ignition systems, designed to deliver reliable spark generation and efficient combustion performance. Installed directly inside the engine’s combustion chamber, spark plugs work together with ignition coils to ignite the air-fuel mixture at the correct timing, helping the engine achieve smooth operation, improved fuel efficiency, and stable acceleration.
This Engine Coil Spark Plugs product is manufactured with precision-engineered electrodes, durable insulation materials, and heat-resistant construction to support modern engine requirements. Its optimized ignition performance helps reduce misfires, improve combustion stability, and maintain consistent engine power under various driving conditions.
Compared with conventional spark plugs, high-quality Engine Coil Spark Plugs provide better thermal conductivity, improved ignition reliability, and longer service life. They are suitable for a wide range of gasoline engines used in passenger vehicles and commercial applications.
Engine Coil Spark Plugs are manufactured using several specialized materials designed to withstand high temperature, pressure, and electrical stress inside the engine. The center electrode commonly uses copper, nickel, platinum, or iridium materials because these metals offer excellent conductivity and heat resistance. Copper-core electrodes are widely used for efficient heat transfer, while platinum and iridium improve durability and ignition stability.
The insulator section is typically made from high-strength ceramic materials such as alumina, which provide electrical insulation and thermal resistance under extreme combustion conditions. The outer shell usually consists of corrosion-resistant steel to maintain structural stability and secure installation inside the cylinder head.
Carefully selected materials help Engine Coil Spark Plugs maintain stable spark performance, resist fouling, and support long-term engine reliability even under demanding operating environments.
Stable Ignition Performance : The product is designed to deliver consistent spark energy, helping improve combustion efficiency and reduce engine hesitation.
High Temperature Resistance : Advanced insulation and electrode materials support stable operation under high combustion temperatures and heavy engine loads.
Improved Fuel Efficiency : Efficient ignition contributes to more complete fuel combustion, helping reduce fuel waste and improve engine responsiveness.
Durable Construction : The spark plug structure is engineered for long service life with strong resistance to wear, corrosion, and thermal cycling.
Reduced Engine Misfires : Reliable spark generation helps minimize ignition interruptions and supports smoother engine operation.
Engine Coil Spark Plugs are suitable for various gasoline engine systems, including:
▶ Passenger vehicles
▶ High-performance engines
▶ Commercial vehicles
▶ Turbocharged engines
▶ Modern electronic ignition systems
Their compatibility with advanced ignition coil systems makes them an important component for maintaining engine efficiency and stable power output.
Engine Coil Spark Plugs play a vital role in modern engine ignition systems by supporting reliable spark generation, efficient combustion, and long-term engine performance. With durable materials, optimized ignition capability, and strong thermal resistance, they provide a dependable solution for maintaining smooth engine operation and improving overall driving efficiency.
| Application | Auto Engine Parts |
| size | OEM Standard |
| Warranty | Two year or 50,000 km |
| Application | Auto Ignition System |
| Quality | 100% Professional Test |
| MOQ | 50 Pcs |
| Packing | Neutral Packaging or Customized box |
| Color | Picture Showing |
| Delivery time | 10-50 Days,usually depends on the quantity |
| Package | Neutral Packaging |
| Specifications: | |||
| Item Description: | Ignition Coil,Auto Ignition Coil | OEM No.: | New |
| Material: | Plastics & Metal&Copper | Condition: | |
| Pins: | Color | Picture Showing | |
| Warranty: | 2-years / 50,0000 kilometers | Car Fit: | For Cars |
| MOQ: | 100 | Size: | OEM Standard |
| Stocks: | Yes | Quanlity: | Excellent |
| Shipping Terms: | DHL,EMS,TNT,UPS,as your requirements | Payment Terms: | Western Union, T/T,L/C |
| Packing Details: | Neutral Packaging or Customized box | Delivery Time: | 20-40 days after order, usually depends on the quantity |