NGK 4972 Spark Plug

Reliable Ignition with NGK Standard Spark Plug 4972

The NGK Standard Spark Plug 4972 offers dependable ignition performance for a variety of vehicles. Designed with quality materials and precise specifications, this spark plug supports efficient engine operation and consistent combustion.

• Resistance: 5000 ohms for effective noise suppression
• Ground Electrode Tip Design: Standard for reliable spark delivery
• Center Electrode Core Material: Copper for optimal conductivity
• Ground Electrode Core Material: Nickel for durability
• Electrical Terminal Type: Non-removable nut for secure connection
• Pre-Gap Size: 0.028 inches for proper spark gap
• Hex Size: 3/4 inch for standard installation tools
• Manufacturer Heat Range: 6 suitable for moderate engine temperatures
• Seat Type: Flat for consistent sealing
• Thread Diameter: 14 mm with 0.375 inch reach
• Resistor Type: Yes, to reduce electromagnetic interference

About the NGK Standard Spark Plug Line

The NGK Standard Spark Plug line is engineered to meet OEM specifications, providing reliable ignition performance for everyday driving conditions. The Standard Spark Plug 4972 is part of this line, offering a balance of durability and efficiency with its copper core center electrode and nickel ground electrode. This product line is designed to maintain engine stability and reduce misfires in compatible vehicles.

Technical Details and Performance

The NGK 4972 spark plug features a copper core center electrode that enhances electrical conductivity, ensuring a strong and consistent spark. The nickel ground electrode and tip provide resistance to wear and corrosion, extending the service life of the plug. With a resistance rating of 5000 ohms, this spark plug effectively suppresses electrical noise that can interfere with vehicle electronics. The pre-gap size of 0.028 inches is factory set to optimize ignition timing and combustion efficiency. Its flat seat type and 14 mm thread diameter with a 0.375 inch reach make it compatible with many vehicle engines requiring these specifications.

Compatible Vehicles and Common Applications

• Replacement for vehicles requiring a 14 mm thread diameter spark plug
• Suitable for engines needing a heat range 6 spark plug
• Ideal for vehicles with ignition systems that require a resistor spark plug
• Addresses issues such as engine misfires, rough idling, and poor fuel economy
• Helps reduce electromagnetic interference affecting vehicle electronics

Installation Notes and Tips

When installing the NGK Standard Spark Plug 4972, ensure the spark plug gap is checked and adjusted if necessary to 0.028 inches. Use a 3/4 inch socket for proper tightening to avoid damage to the spark plug or engine threads. The non-removable nut terminal type requires compatible ignition wire connectors. Always follow the vehicle manufacturer’s torque specifications to ensure proper sealing and performance.

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards, ensuring consistent performance and durability. The Standard Spark Plug 4972 undergoes rigorous testing to comply with OEM requirements. While specific warranty details are not provided here, NGK products typically come with manufacturer-backed quality assurance to support reliable operation in compatible vehicles.