NGK 6747 Spark Plug

Reliable Ignition with NGK Iridium IX Spark Plug 6747

The NGK Iridium IX Spark Plug 6747 offers precise ignition performance designed for a range of vehicles requiring durable and efficient spark plugs. Engineered with advanced materials, this spark plug supports consistent combustion and improved engine response.

• Iridium center electrode tip for enhanced durability and ignition
• Taper cut ground electrode tip design for optimized spark exposure
• Copper core center electrode for efficient conductivity
• Standard ground configuration with nickel ground electrode core
• Non-removable nut electrical terminal type for secure connection
• Pre-gap size of .032 inches for precise spark gap
• Flat seat type with 14mm thread diameter and .75 inch reach
• Hex size of 13/16 inch for standard installation tools
• Manufacturer heat range rating of 8 for balanced thermal performance

About the NGK Iridium IX Spark Plug Line

The Iridium IX Spark Plug line by NGK is designed to provide improved ignition efficiency and longer service life compared to conventional spark plugs. Featuring an iridium center electrode tip, these plugs deliver a stable spark and better wear resistance. The 6747 part number is part of this line, offering a combination of copper core conductivity and a taper cut ground electrode to support reliable engine operation.

Technical Details and Performance

This spark plug features a copper core center electrode that enhances electrical and thermal conductivity, contributing to consistent ignition. The iridium tip on the center electrode improves durability and spark precision, while the taper cut ground electrode design increases spark exposure for better combustion. The nickel ground electrode core provides corrosion resistance, and the flat seat type ensures proper sealing in compatible cylinder heads. With a pre-gap size of .032 inches and a heat range of 8, this spark plug balances heat dissipation and performance for a variety of engine conditions.

Applications and Problem Solving

• Improves ignition stability in vehicles requiring NGK 6747 spark plugs
• Reduces misfires and rough idling caused by worn or faulty plugs
• Supports efficient fuel combustion for better engine responsiveness
• Helps maintain consistent engine performance under varied driving conditions
• Addresses spark plug wear issues in compatible makes and models

Installation Notes and Tips

Ensure the spark plug gap is set to the specified .032 inches before installation if adjustment is necessary. Use a 13/16 inch socket for proper tightening and avoid over-torquing to prevent damage to the flat seat. The non-removable nut electrical terminal type requires compatible ignition wire connectors. Verify compatibility with your vehicle’s make and model to ensure proper fitment and performance.

Quality Assurance and Warranty

NGK manufactures the Iridium IX Spark Plug 6747 to meet strict quality standards, ensuring reliable ignition performance and durability. While specific warranty details are not provided here, NGK products typically come with manufacturer-backed quality assurance. Always consult NGK or your vehicle’s service manual for warranty and installation guidelines.