NGK 7746 Spark Plug

NGK Laser Iridium Spark Plug Overview

The NGK Laser Iridium Spark Plug 7746 is engineered for reliable ignition performance in select Acura and Honda vehicles. Designed with advanced materials and precise specifications, this spark plug supports efficient combustion and consistent engine operation.

• Iridium center electrode tip for enhanced durability and ignition
• Trapezoid ground electrode tip design for stable spark delivery
• Copper core center electrode to improve conductivity
• Standard ground configuration with a single nickel ground electrode
• Non-removable nut electrical terminal type for secure connection
• Pre-gap size of 0.044 inches optimized for ignition efficiency
• Flat seat type with 14mm thread diameter and 0.75 inch reach
• Hex size of 5/8 inch for installation with common tools
• Manufacturer heat range rating of 7 for balanced thermal performance

About the NGK Laser Iridium Spark Plug Line

The Laser Iridium Spark Plug line from NGK features iridium-tipped center electrodes that provide a fine electrode tip for precise spark generation. This design contributes to improved ignition stability and longer service life compared to conventional spark plugs. The 7746 part number is part of this line, offering a combination of iridium and copper core materials to optimize electrical conductivity and durability for Acura and Honda models.

Technical Details and Compatibility

This NGK spark plug 7746 is compatible with various Acura and Honda vehicles, including the Civic, CSX, RSX, and S2000 models. The trapezoid ground electrode tip and nickel core material ensure consistent spark performance under typical driving conditions. The flat seat and 14mm thread diameter provide a secure fit in the engine cylinder head, while the 0.75 inch reach ensures proper positioning within the combustion chamber.

Common Applications and Problem Solving

• Restores stable ignition in Acura Civic and Honda RSX engines
• Reduces misfires caused by worn or damaged spark plugs
• Improves fuel efficiency by ensuring complete combustion
• Helps maintain smooth engine idle and acceleration response
• Addresses rough starts and engine hesitation in compatible vehicles

Installation Notes and Tips

When installing the NGK Laser Iridium Spark Plug 7746, ensure the spark plug gap is set to the specified 0.044 inches if adjustment is necessary. Use a 5/8 inch socket for proper torque application and avoid over-tightening to prevent thread damage. The non-removable nut terminal type requires compatible ignition wires or connectors. Always refer to the vehicle’s service manual for torque specifications and installation procedures.

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Laser Iridium Spark Plug 7746 undergoes rigorous testing for heat range, electrode wear, and electrical resistance (5000 ohms) to maintain consistent ignition characteristics. Warranty coverage details should be confirmed with the vehicle manufacturer or authorized NGK distributor.