NGK 4122 Spark Plug

Reliable Ignition with NGK Standard Spark Plug 4122

The NGK Standard Spark Plug 4122 is engineered to provide consistent ignition performance for a variety of vehicles. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and engine operation.

• 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 Type: Removable nut for secure connection
• Pre-Gap Size: 0.028 inches for proper spark gap
• Hex Size: 13/16 inch for easy installation
• Insulator Height: 55.00 mm ensuring proper insulation
• Manufacturer Heat Range: 7 suitable for moderate engine temperatures
• Seat Type: Flat for consistent sealing
• Thread Diameter: 14.00 mm with 0.5 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 without specialized features. The Standard Spark Plug 4122 offers a balance of durability and efficiency, making it suitable for everyday driving conditions and routine maintenance.

Technical Details and Application

This spark plug features a copper core center electrode that enhances thermal conductivity, helping to dissipate heat effectively. The nickel tip and ground electrode core provide durability and resistance to wear. The 5000 ohm resistance helps reduce radio frequency interference, ensuring stable ignition system operation. The removable nut terminal type allows for flexible installation options. With a heat range of 7, this plug is compatible with engines requiring moderate heat dissipation.

Common Uses and Problem Solving

• Restores proper ignition in engines experiencing misfires
• Improves fuel efficiency by ensuring consistent spark delivery
• Reduces engine hesitation during acceleration
• Helps maintain smooth idling and stable engine performance
• Prevents fouling in standard combustion environments

Installation Notes and Tips

Before installation, verify the spark plug gap is set to 0.028 inches to match engine requirements. Use a 13/16 inch socket for removal and installation. Ensure the spark plug threads are clean and apply anti-seize compound if recommended by the vehicle manufacturer. Tighten to the specified torque to avoid damage to the spark plug or cylinder head.

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Standard Spark Plug 4122 undergoes rigorous testing to comply with OEM specifications. Please refer to NGK's official warranty policy for coverage details.