NGK 4014 Spark Plug

Reliable Ignition with NGK Laser Platinum Spark Plug 4014

The NGK Laser Platinum Spark Plug 4014 is engineered to provide consistent ignition performance for select Nissan, Infiniti, and Subaru vehicles. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and engine reliability.

• Resistance: 5000 ohms for optimal electrical performance
• Center electrode tip made of platinum for enhanced durability
• Copper core center electrode for improved conductivity
• Standard ground electrode tip and configuration with nickel core material
• Non-removable nut electrical terminal type for secure connection
• Pre-gap size of 0.044 inches for precise spark delivery
• Flat seat type with 14mm thread diameter and 0.75 inch reach
• Hex size of 5/8 inch for standard installation tools
• Manufacturer heat range rating of 6 suitable for specified vehicle applications

About the NGK Laser Platinum Spark Plug Line

The Laser Platinum Spark Plug line from NGK combines platinum-tipped electrodes with copper cores to balance durability and conductivity. This design helps maintain stable ignition over extended service intervals, making it suitable for vehicles requiring reliable secondary ignition components. The 4014 part number is part of this line, offering a consistent spark and resistance to electrode wear.

Technical Details and Compatibility

This spark plug features a single ground electrode with a nickel core and a platinum-tipped center electrode, which enhances wear resistance and ignition stability. The non-removable nut terminal ensures a secure electrical connection, while the flat seat and 14mm thread diameter provide compatibility with a range of engines. The 0.044 inch pre-gap size is factory set to optimize spark efficiency.

Compatible with various Nissan, Infiniti, and Subaru models including the Nissan 200SX, G20, Maxima, Sentra, Infiniti M30, NX, and Subaru Impreza and Legacy, the NGK Laser Platinum Spark Plug 4014 supports reliable ignition performance tailored to these vehicles.

Common Applications and Issues Addressed

• Replacement for worn or fouled spark plugs in Nissan, Infiniti, and Subaru engines
• Improves engine starting and reduces misfires
• Helps maintain fuel efficiency by ensuring proper combustion
• Reduces ignition-related rough idling and hesitation
• Supports consistent engine performance under varied driving conditions

Installation Notes and Tips

• Verify compatibility with your vehicle’s make and model before installation
• Use a 5/8 inch socket for proper torque application
• Check and maintain the pre-gap size of 0.044 inches if adjustment is necessary
• Apply anti-seize compound sparingly on threads if recommended by the vehicle manufacturer
• Ensure the spark plug is tightened to the manufacturer’s specified torque to avoid damage

Quality Assurance and Warranty

NGK spark plugs, including the Laser Platinum Spark Plug 4014, are manufactured to meet strict quality standards for ignition components. While specific warranty details may vary, NGK products typically come with a limited warranty against manufacturing defects. Always consult the product documentation or vehicle service manual for warranty and maintenance guidelines.