NGK 5794 Spark Plug

NGK Laser Iridium Spark Plug for Honda Civic

NGK Laser Iridium Spark Plug 5794 is built for drivers who need a precise OE-style ignition component for select Honda Civic applications. It combines an iridium center electrode with a nickel ground electrode and a copper core center electrode for stable spark delivery and consistent combustion performance.

Compatible with 2006-2011 Honda Civic models, this NGK spark plug is specified with a 0.032 inch pre-gap and a flat seat design. The Laser Iridium line focuses on OE-level fit and durability, making part number 5794 a direct replacement choice for routine ignition service on the Civic.

Key Features

• Laser Iridium spark plug from NGK
• Part number 5794 / IFR7F-8DS
• Iridium center electrode tip with copper core
• Nickel ground electrode with standard configuration
• 0.032 inch pre-gap
• 14.00 mm thread diameter, 0.75 inch reach, 5/8 hex
• 5000 ohm resistance
• Flat seat design with non-removable nut terminal

Product Details

NGK is a long-established OE supplier with broad coverage across domestic and import vehicles, and the Laser Iridium line reflects that OE-focused approach. For Honda Civic ignition service, part number 5794 is engineered around the listed factory-style dimensions, including heat range 7, standard ground electrode design, and the specified 0.032 inch gap. This helps maintain the correct spark plug fitment for 2006-2011 Honda Civic maintenance and repair work.

This part cross-references Monroe Shocks & Struts (e.g., 5794) for the same application.

Common Issues This Part Addresses

• Rough idle caused by worn spark plug electrodes
• Hard starting from weakened ignition output
• Misfire conditions related to plug wear or incorrect gap
• Reduced fuel economy from inconsistent combustion
• Loss of throttle response during routine Civic service intervals

Installation Notes and Tips

Verify the engine application before installation and confirm the plug gap matches the vehicle specification. For 2006-2011 Honda Civic service, the OEM-recommended gap is 0.032 inch. Use the correct 5/8-inch spark plug socket and tighten to the vehicle manufacturer’s torque specification to protect the threads and sealing surface.

Quality Assurance

NGK manufactures spark plugs for a wide range of automotive applications and supplies original equipment components for many vehicles in operation. Part number 5794 is built to OE-style standards for fit, durability, and consistent ignition performance in the specified Honda Civic applications.