NGK 7385 Spark Plug

NGK Iridium IX CR7EIX Spark Plug

NGK Iridium IX Spark Plug 7385 is built for precise ignition performance in a wide range of import and domestic applications. This CR7EIX plug uses an iridium center electrode, a nickel ground electrode, and a 0.032 pre-gap to support consistent spark delivery and reliable combustion.

As part of the NGK Iridium IX Spark Plug line, this plug is engineered for drivers who want a fine-wire iridium design with OE-focused construction. NGK’s long history as an OE supplier and ignition specialist is reflected in the CR7EIX part number 7385, which is commonly searched for ignition service on vehicles such as Honda Civic and other compatible applications.

• Iridium center electrode tip material for stable spark performance
• Copper center electrode core for efficient heat transfer
• Nickel ground electrode core with taper-cut tip design
• Standard ground configuration with one ground electrode
• 5,000 ohm resistance for ignition system compatibility
• Flat seat design, 10.00 mm thread diameter, 0.75 reach
• 5/8 hex size and removable nut terminal
• Manufacturer heat range 7 with a 0.032 pre-gap

Detailed Product Overview

The NGK CR7EIX spark plug is designed around an iridium fine-wire center electrode, which supports dependable ignition response and consistent combustion characteristics. Its taper-cut ground electrode tip and standard ground configuration help maintain a focused spark path, while the copper core aids thermal control during operation. For buyers comparing NGK 7385 against other ignition parts, this plug is a direct OE-style service option for maintenance and tune-up work.

This part cross-references DENSO Auto Parts 5361 for the same application. It is also commonly searched under NGK part number CR7EIX and stock number 7385, including fitment research for Honda Civic ignition service and related import vehicle maintenance.

What It Helps Address

• Rough idle caused by worn spark plug electrodes
• Hard starting from weak or inconsistent spark output
• Misfire conditions related to ignition wear
• Reduced throttle response from degraded combustion efficiency
• Maintenance replacement for service intervals on compatible vehicles

Installation Notes and Tips

Verify the thread diameter, reach, seat type, and heat range before installation. The pre-gap is set at 0.032, but final gap should always be checked against the vehicle service specification. Use the correct 5/8 hex socket and confirm the removable nut terminal matches the ignition lead or coil-on-plug connection used on the vehicle.

Fits 2006-2011 Honda Civic, front right is not listed in the fitment data for this part, so confirm application by engine and service catalog before ordering. For Honda Civic ignition maintenance and other compatible applications, match the CR7EIX specification to the vehicle’s required plug design.

Quality Assurance

NGK is a major OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America, with extensive automotive experience and broad application coverage. The CR7EIX 7385 is produced to support original-equipment standards for durability and operational performance.