NGK 3623 Spark Plug

Reliable Ignition with NGK Standard Spark Plug 3623

The NGK Standard Spark Plug 3623 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 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: Removable nut for easy installation and maintenance
• Pre-Gap Size: Factory set at .032 inches for precise spark gap
• Hex Size: 5/8 inch for compatibility with common spark plug sockets
• Insulator Height: 53.00 mm ensuring proper fit and heat dissipation
• Seat Type: Tapered seat for secure sealing
• Thread Diameter: 14.00 mm with a reach of .708 inches
• Manufacturer Heat Range: 6, suitable for moderate operating temperatures

About the NGK Standard Spark Plug Line

The NGK Standard Spark Plug line is designed to meet the requirements of everyday driving and standard engine configurations. This product line focuses on delivering reliable ignition with proven materials such as copper and nickel, ensuring durability and consistent performance. The Standard Spark Plug 3623 fits within this line by offering a balanced heat range and standard electrode design, making it suitable for a wide range of vehicle applications.

Technical Details and Application

The NGK 3623 spark plug features a copper core center electrode that enhances thermal conductivity and durability, paired with a nickel tip and ground electrode core for corrosion resistance. The single ground electrode with a standard tip design supports stable spark generation. The removable nut electrical terminal simplifies installation and replacement. With a pre-gap of .032 inches and a tapered seat, this spark plug ensures proper combustion chamber sealing and ignition efficiency. The heat range 6 rating makes it compatible with many mid-range temperature engines, commonly found in vehicles such as Honda Accord, Toyota Camry, and Nissan Altima.

Common Issues Addressed by NGK 3623 Spark Plug

• Engine misfires due to worn or faulty spark plugs
• Reduced fuel efficiency from incomplete combustion
• Difficulty starting the engine in cold or damp conditions
• Rough idling or hesitation during acceleration
• Excessive exhaust emissions caused by poor ignition

Installation Notes and Tips

Before installation, verify the spark plug gap is set to .032 inches as specified. Use a 5/8 inch spark plug socket for proper torque application. Ensure the tapered seat is clean and free of debris to achieve a secure seal. The removable nut terminal allows for easy connection to ignition wires. Avoid over-tightening to prevent thread damage. It is recommended to replace spark plugs at intervals specified by the vehicle manufacturer for optimal engine performance.

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards, ensuring reliable ignition and durability. The Standard Spark Plug 3623 undergoes rigorous testing for resistance, heat range, and material integrity. While specific warranty details may vary, NGK products typically come with a limited warranty against manufacturing defects. Consult vehicle and product documentation for exact warranty terms.