NGK 7986 Spark Plug

Reliable Ignition with NGK Standard Spark Plug 7986

The NGK Standard Spark Plug 7986 is engineered to deliver consistent ignition performance for a variety of vehicles. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and engine reliability.

• Resistance: 5000 ohms for optimal electrical performance
• Ground Electrode Tip and Configuration: Standard design with a single ground electrode
• Core Materials: Copper center electrode with nickel tip and nickel ground electrode core
• Electrical Terminal: Non-removable nut type for secure connection
• Pre-Gap Size: .044 inches for proper spark gap
• Hex Size: 13/16 inch for standard installation tools
• Insulator Height: 55.00 mm ensuring proper insulation
• Manufacturer Heat Range: 8, suitable for moderate heat conditions
• Seat Type: Flat for consistent sealing
• Thread Diameter and Reach: 14.00 mm diameter with .75 inch reach

About the NGK Standard Spark Plug Line

The NGK Standard Spark Plug line is designed to meet OEM specifications for a wide range of vehicles, providing dependable ignition performance with quality materials. This line focuses on delivering reliable starts and steady engine operation, making it a practical choice for routine maintenance and replacement.

Technical Details and Performance

The NGK 7986 spark plug features a copper core center electrode that enhances thermal conductivity and durability. The nickel tip on the center electrode and the nickel ground electrode core provide resistance to wear and corrosion. With a resistance rating of 5000 ohms, this spark plug helps reduce electrical noise and interference. The flat seat type ensures a secure fit in the cylinder head, while the .044 inch pre-gap size is optimized for efficient spark generation. The non-removable nut terminal type offers a stable electrical connection, and the 13/16 inch hex size allows for easy installation with common tools.

Compatible Vehicles and Common Applications

• Replacement for vehicles requiring BR8ES-11 spark plugs
• Suitable for engines needing a heat range 8 spark plug
• Ideal for vehicles with a 14 mm thread diameter and .75 inch reach
• Compatible with various makes and models that specify NGK Standard Spark Plug 7986
• Addresses ignition issues such as misfires, poor fuel economy, and rough idling

Installation Notes and Tips

Before installation, verify the spark plug gap is set to .044 inches to ensure optimal performance. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended specifications to avoid damage to the cylinder head or spark plug. The 13/16 inch hex size fits standard spark plug sockets, facilitating straightforward removal and installation. Inspect the spark plug threads and seat for cleanliness to ensure a proper seal.

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards, ensuring consistent performance and durability. The Standard Spark Plug line undergoes rigorous testing for heat resistance and electrical reliability. While specific warranty details for part number 7986 are not provided here, NGK typically offers coverage against manufacturing defects. Consult NGK or your vehicle’s service manual for warranty and replacement guidelines.