NGK 6774 Spark Plug

NGK Laser Iridium Spark Plug Overview

The NGK Laser Iridium Spark Plug 6774 is engineered for reliable ignition performance in Honda Accord and Fit models. Designed with advanced materials and precise specifications, this spark plug supports efficient combustion and engine responsiveness.

• Iridium center electrode tip for enhanced durability
• Trapezoid ground electrode tip design for stable spark
• Copper core center electrode for improved conductivity
• Standard ground configuration with nickel ground electrode core
• Non-removable nut electrical terminal type
• Pre-gap size of 0.052 inches for optimal spark gap
• Flat seat type with 0.75-inch reach and 14mm thread diameter
• Hex size of 5/8 inch for installation
• Manufacturer heat range rating of 6

About the NGK Laser Iridium Spark Plug Line

The Laser Iridium Spark Plug line from NGK is designed to provide consistent ignition performance with a focus on longevity and efficient fuel combustion. The iridium tip on the center electrode offers a fine electrode that requires less voltage to generate a spark, contributing to improved ignition and fuel efficiency. This line is suitable for vehicles requiring precise ignition components, such as the Honda Accord and Fit models compatible with part number 6774.

Technical Details and Specifications

This NGK spark plug features a copper core center electrode that enhances electrical and thermal conductivity, paired with an iridium tip for wear resistance. The trapezoid ground electrode tip design ensures a stable spark and reduces electrode wear. The ground electrode core is made of nickel, providing durability under high temperatures. The spark plug has a pre-gap size of 0.052 inches, a flat seat type, and a reach of 0.75 inches, matching OEM specifications for proper fit and function. The non-removable nut electrical terminal type simplifies installation and ensures secure connection.

Compatible Vehicles and Applications

• Compatible with Honda Accord models requiring part number 6774
• Compatible with Honda Fit models requiring part number 6774
• Designed for secondary ignition system replacement
• Suitable for addressing ignition misfires and poor fuel economy
• Used in maintenance to restore engine starting and smooth idling

Installation Notes and Tips

When installing the NGK Laser Iridium Spark Plug 6774, ensure the spark plug gap is set to the specified pre-gap size of 0.052 inches if adjustment is necessary. Use a 5/8 inch socket for proper torque application. Confirm the flat seat type matches the engine’s cylinder head design to avoid sealing issues. Avoid over-tightening to prevent thread damage. It is recommended to replace spark plugs in sets to maintain consistent engine performance.

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards, ensuring reliable ignition performance and durability. The Laser Iridium Spark Plug 6774 undergoes rigorous testing for heat range and electrode wear. While specific warranty details are not provided here, NGK typically offers coverage against manufacturing defects. Refer to NGK’s official documentation for warranty terms.