The NGK Spark Plugs R6918B-7 Spark Plug is designed to deliver dependable ignition performance for compatible high-performance engines. Manufactured by NGK Spark Plugs, this spark plug features a trivalent metal plating that helps provide superior resistance to corrosion and seizing, supporting reliable installation and removal during service. The R6918B-7 model is identified by manufacturer and vendor part number 6259.
A pure alumina silicate ceramic insulator provides high strength and improved heat transfer, helping the plug manage operating temperatures effectively. The copper core aids in heat removal, while the corrugated ribs help reduce the risk of flashover for consistent electrical performance. Triple seals are engineered to help prevent leakage and maintain dependable internal protection under demanding operating conditions.
Use this NGK Spark Plugs R6918B-7 spark plug as a replacement for applications that specify model R6918B-7 or part number 6259. Confirm engine, vehicle, and ignition-system compatibility before installation, and install according to the manufacturer's recommended service procedures and torque specifications. Its durable construction makes it suitable for performance-oriented and heavy-duty applications where reliable spark delivery, thermal control, and corrosion resistance are important.
Features:
- Model: R6918B-7
- Brand: NGK Spark Plugs
- Manufacturer Part Number: 6259
- Vendor Part Number: 6259
- Trivalent metal plating: Provides superior anti-corrosion and anti-seizing properties
- Pure alumina silicate ceramic insulator: Provides superior strength and improved heat transfer
- Triple seals: Help prevent leakage
- Corrugated ribs: Help prevent flashover
- Copper core: Aids in heat removal
- Fitment: Designed for engines and ignition systems that specify NGK R6918B-7 or part number 6259