The NGK Spark Plugs CR7EH-9 spark plug is engineered to provide dependable ignition performance, consistent combustion, and long service life in compatible engines. This spark plug uses NGK’s proven construction to support reliable starting, smooth operation, and efficient heat management. Verify the vehicle or equipment application before installation to ensure the CR7EH-9 model and heat range meet the manufacturer’s requirements.
Fitment: Designed for applications specified for the NGK CR7EH-9 spark plug. Confirm fitment using the vehicle, engine, or equipment manufacturer’s service information before purchase and installation.
Construction: A trivalent metal-plated shell provides enhanced resistance to corrosion and thread seizure, helping simplify removal during future service. The pure alumina silicate ceramic insulator delivers high strength and supports effective heat transfer under operating conditions. Triple sealing helps prevent gas leakage, while corrugated insulator ribs help reduce the risk of flashover. A copper core assists with heat removal for dependable performance across the plug’s operating range.
Manufactured by NGK Spark Plugs, this CR7EH-9 model carries manufacturer and vendor part number 3486. Install the spark plug according to the applicable service specifications, including the required gap, torque, and replacement procedure.
Features:
- Model: CR7EH-9
- Brand: NGK Spark Plugs
- Manufacturer part number: 3486
- Vendor part number: 3486
- Trivalent metal plating: Helps resist corrosion and thread seizure
- Pure alumina silicate ceramic insulator: Provides high strength and effective heat transfer
- Triple seals: Help prevent combustion gas leakage
- Corrugated ribs: Help reduce the risk of electrical flashover
- Copper core: Assists with heat removal
- Fitment: For applications specified for the NGK CR7EH-9 spark plug