NGK 95993 Spark Plug

Reliable Ignition Performance for Lexus, Toyota, and Scion Vehicles

The NGK Laser Iridium High Ignitability Spark Plug 95993 is engineered to deliver consistent ignition and efficient combustion for select Lexus, Toyota, and Scion models. Designed with advanced materials and precise specifications, this spark plug supports optimal engine performance and fuel efficiency.

• Iridium center electrode tip for enhanced durability and ignition
• Dual fine ground electrode design for high ignitability
• Copper core center electrode for improved conductivity
• Standard ground configuration with nickel ground electrode core
• Non-removable nut electrical terminal type for secure connection
• Pre-gap size of 0.044 inches for precise spark gap
• Flat seat type with 26.5 mm reach and 12 mm thread diameter
• Hex size 14 mm for installation with common tools
• Manufacturer heat range 6 suitable for specified vehicle applications

About the NGK Laser Iridium High Ignitability Spark Plug Line

The Laser Iridium High Ignitability Spark Plug line from NGK focuses on delivering improved ignition performance through the use of iridium-tipped center electrodes and a dual fine ground electrode design. This combination enhances spark efficiency and durability, making it suitable for modern engines requiring precise ignition timing and reliable combustion. The 95993 part number is a specific fitment within this line, tailored for select Lexus, Toyota, and Scion models.

Technical Details and Application

This spark plug features a copper core center electrode with an iridium tip, which provides excellent electrical conductivity and wear resistance. The dual fine electrode ground tip design improves ignitability by reducing voltage requirements for spark generation. The nickel ground electrode core and standard ground configuration ensure compatibility with OEM ignition systems. The non-removable nut terminal type offers a secure electrical connection, while the flat seat and 26.5 mm reach match factory specifications for proper sealing and fitment.

Compatible Vehicles and Common Use Cases

• Compatible with Lexus, Toyota, and Scion models including C-HR, Corolla, Corolla iM, CT200h, iM, iQ, Prius, Prius Plug-In, and Prius V
• Addresses issues such as misfires, rough idling, and poor fuel economy
• Helps restore smooth engine start and consistent acceleration
• Suitable for maintenance or replacement in secondary ignition systems

Installation Notes and Tips

• Ensure the spark plug gap is set to the specified pre-gap size of 0.044 inches before installation
• Use a 14 mm socket wrench for proper tightening torque
• Verify thread diameter (12 mm) and reach (26.5 mm) match vehicle specifications to avoid damage
• Do not attempt to remove the non-removable nut terminal
• Follow manufacturer torque specifications to prevent over-tightening

Quality Assurance and Warranty

NGK spark plugs, including the Laser Iridium High Ignitability Spark Plug 95993, are manufactured to meet strict quality standards for durability and performance. While specific warranty details are not provided here, NGK products typically come with manufacturer-backed quality assurance to ensure reliable operation within recommended service intervals.