NGK 7746 Spark Plug

NGK Laser Iridium Spark Plug 7746

NGK Laser Iridium Spark Plug 7746 is an OE-style ignition component built for precise spark delivery, stable resistance, and consistent combustion performance. It uses an iridium center electrode tip, a nickel ground electrode, and a flat seat design to match the original equipment specifications called out for select Honda and Acura applications.

The Laser Iridium product line focuses on OE-level durability and consistent operation across daily-driven vehicles. For shoppers looking for a direct replacement spark plug for a Honda Civic, Acura RSX, Acura CSX, or Honda S2000, part number 7746 provides the specified 0.044 in pre-gap and the heat range and terminal configuration listed by NGK.

Key Features

• Laser Iridium spark plug with iridium center electrode tip for stable ignition performance
• Nickel ground electrode with standard configuration and trapezoid tip design
• Pre-gapped to 0.044 in for listed OE applications
• 5,000 ohm resistance for ignition system compatibility
• 14 mm thread diameter, 0.75 in reach, and flat seat design
• Non-removable nut terminal and 5/8 in hex size
• NGK part number 7746, manufacturer part number IFR7G-11KS

Detailed Description

NGK 7746 is a Laser Iridium spark plug engineered around OE specifications for select Honda Civic, Acura RSX, Acura CSX, and Honda S2000 models. The iridium center electrode supports precise spark concentration, while the copper core and nickel ground electrode help maintain consistent thermal and electrical characteristics. This spark plug is specified with a 0.044 in gap, 14 mm thread diameter, 0.75 in reach, and flat seat construction for the listed applications. If you are replacing worn plugs on a Honda Civic or Acura RSX, NGK 7746 matches the fitment and service requirements shown in the catalog data.

This part cross-references DENSO Auto Parts 5348 for the same application.

What It Helps Address

• Hard starting caused by worn or fouled spark plugs
• Rough idle from inconsistent spark delivery
• Misfire conditions related to plug wear or incorrect gap
• Reduced throttle response from degraded ignition performance
• Service replacement needs on OE-specified Honda and Acura engines

Installation Notes and Tips

• Verify the engine application before installation using the vehicle fitment data.
• Confirm the plug gap is 0.044 in before installation, especially on Honda S2000 applications where the gap is adjusted to 0.044 in.
• Use the correct 5/8 in spark plug socket and follow the vehicle manufacturer’s torque specification.
• Inspect ignition coils, boots, and wires during spark plug service to avoid repeat misfire concerns.
• Compatible With 2006-2011 Honda Civic, N/A; 2007-2010 Acura CSX, N/A; 2000-2009 Honda S2000, N/A; 2002-2006 Acura RSX, N/A.

Quality Assurance

NGK is a major OE spark plug supplier with long-standing North American manufacturing and distribution support. Part number 7746 is built to original equipment standards for durability and operational consistency in the listed applications.