NGK 95399 Spark Plug

Overview of NGK Laser Iridium High Ignitability Spark Plug 95399

The NGK Laser Iridium High Ignitability Spark Plug 95399 is engineered for reliable ignition performance and durability. Designed with advanced materials and precise specifications, this spark plug supports efficient combustion in compatible vehicles.

• Iridium center electrode tip for enhanced ignitability
• Square platinum ground electrode tip for consistent spark
• Standard ground configuration with nickel core material
• Stud-type electrical terminal for secure connection
• Pre-gap size of 0.036 inches optimized for ignition
• Flat seat type with 10mm thread diameter and 26.5mm reach
• Manufacturer heat range rating of 9 for specific engine requirements
• Hex size 14mm for installation with common tools

Detailed Product Description

This NGK spark plug, part number 95399, belongs to the Laser Iridium High Ignitability Spark Plug line, known for combining iridium and platinum electrode technology to improve ignition reliability and longevity. The iridium center electrode core is copper-based, providing excellent conductivity, while the square platinum ground electrode tip enhances spark stability and ignitability. The single ground electrode with a nickel core ensures durability under high temperatures. The spark plug features a flat seat and a 26.5mm reach, suitable for engines requiring these specifications. Its pre-gap of 0.036 inches is factory set to optimize spark performance and combustion efficiency.

Applications and Problem Solving

• Improves ignition performance in vehicles requiring iridium spark plugs
• Reduces misfires and rough idling caused by worn or faulty spark plugs
• Supports efficient fuel combustion to help maintain engine power and responsiveness
• Helps prevent electrode wear and corrosion in high-heat environments
• Compatible with engines designed for a heat range 9 spark plug and 10mm thread diameter

Installation Notes and Tips

When installing the NGK 95399 spark plug, ensure the spark plug gap is checked and adjusted if necessary, although it comes pre-gapped at 0.036 inches. Use a 14mm socket wrench for proper tightening to avoid damage to the electrode or threads. Confirm compatibility with your vehicle’s engine specifications, particularly thread diameter, reach, and heat range, to ensure optimal performance.

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards, ensuring consistent performance and durability. The Laser Iridium High Ignitability Spark Plug line undergoes rigorous testing for heat resistance and electrical conductivity. While specific warranty details for part number 95399 are not provided here, NGK typically offers coverage against manufacturing defects. Refer to NGK’s official documentation for warranty terms applicable to this spark plug.