The NGK Spark Plugs JR9B Spark Plug is designed to provide dependable ignition performance and long-lasting service in compatible engines. Manufactured by NGK Spark Plugs, this spark plug features a copper core that helps transfer heat away from the firing end, supporting consistent operation across demanding engine conditions. Verify application requirements before installation to ensure the JR9B model and Part Number 3188 are correct for your engine.
Its trivalent metal plating provides strong resistance to corrosion and helps prevent seizing during removal, while the pure alumina silicate ceramic insulator delivers high strength and efficient heat transfer. Triple seals help prevent combustion-gas leakage, and corrugated insulator ribs reduce the risk of electrical flashover for reliable spark delivery. The NGK Spark Plugs JR9B is suitable for compatible automotive, powersports, industrial, and small-engine applications calling for this specification.
Install the spark plug according to the engine manufacturer's recommended gap, torque, and service procedures. This product is identified by NGK Spark Plugs Manufacturer Part Number 3188 and Vendor Part Number 3188. Confirm thread, reach, heat range, and engine fitment before purchase.
Features:
- Model: JR9B spark plug for compatible engine applications
- Brand: NGK Spark Plugs
- Manufacturer Part Number: 3188
- Vendor Part Number: 3188
- Trivalent metal plating: Helps resist corrosion and seizing
- Ceramic insulator: Pure alumina silicate construction supports strength and heat transfer
- Triple seals: Help prevent leakage
- Corrugated ribs: Help reduce electrical flashover
- Copper core: Supports efficient heat removal