NGK ITR4A15 Laser Iridium Spark Plug with 14mm Thread and Tapered Seat

The NGK ITR4A15 laser iridium spark plug is engineered for reliable ignition performance in a variety of gasoline engines. Featuring a 14 mm thread and a 17.5 mm reach, this spark plug provides precise fitment for compatible vehicles. The tapered seat design ensures a secure and airtight seal within the combustion chamber, promoting optimal engine efficiency. Constructed with iridium electrodes, it offers enhanced durability and longer service life compared to standard plugs, reducing the frequency of replacements and maintenance.

This spark plug includes a resistor to suppress electromagnetic interference, ensuring stable operation of electronic engine components. It is suitable for use in engines that do not have air restrictions and is not designated for trucks requiring freight-only shipping. The NGK ITR4A15 is a stock replacement part, identified by stock number 5599, and is designed to meet or exceed OEM specifications for quality and performance. Its compact size and high-quality materials make it an ideal choice for drivers seeking dependable ignition performance and improved fuel efficiency in their vehicles. Proper installation and maintenance of this spark plug can contribute to smoother engine operation and enhanced overall vehicle reliability.

Features:

• Laser Iridium Electrode: Provides long-lasting durability and reliable ignition performance.

• 14mm Thread with 17.5mm Reach: Standard size for a wide range of gasoline engines.

• Tapered Seat Design: Ensures a secure fit and optimal sealing within the combustion chamber.

• Resistor: Suppresses electromagnetic interference for stable electronic operation.

• Stock Number 5599: Original equipment manufacturer specification for compatibility and quality.