NGK 2707 Spark Plug

NGK Iridium IX Spark Plug 2707

NGK Iridium IX Spark Plug 2707 is built for precise ignition performance in a wide range of import and domestic applications. With an iridium center electrode, copper core, and 5000 ohm resistance, this plug is engineered for stable spark delivery and consistent combustion. It is a direct-fit style spark plug for drivers searching for NGK 2707, BR9ECMIX, or an iridium spark plug for Honda Civic and similar applications.

Key Features

• Iridium center electrode tip for focused spark delivery
• Copper core center electrode for efficient heat transfer
• Nickel ground electrode with slant configuration
• Taper cut ground electrode tip design
• Pre-gapped at .032 for installation reference
• 14 mm thread diameter, .75 reach, flat seat
• 13/16 hex size with non-removable nut terminal
• Manufacturer heat range 9

Product Details

NGK’s Iridium IX line is built around fine-wire iridium technology for dependable ignition performance and long service life in demanding engine environments. Part number 2707, also identified as BR9ECMIX, uses a copper core center electrode to help manage heat while the iridium tip supports consistent firing. This spark plug is a practical choice for owners looking for NGK 2707 replacement coverage and OE-style ignition performance in vehicles such as Honda Civic applications where the correct heat range and reach matter.

NGK has a long OE manufacturing background and supplies spark plugs for a broad range of automotive, motorcycle, marine, and small engine applications. That experience is reflected in the construction of this plug, which is designed to meet original equipment standards for durability and operational consistency.

This part cross-references AMS Automotive 4144 and DENSO Auto Parts 5392 for the same application.

Common Issues This Spark Plug Can Address

• Hard starting caused by worn or fouled spark plugs
• Rough idle from inconsistent ignition firing
• Misfire conditions related to weak spark output
• Reduced throttle response from degraded plug performance
• Maintenance replacement for high-mileage ignition service

Installation Notes and Tips

Verify thread diameter, reach, seat type, and heat range before installation. This plug uses a flat seat, 14 mm thread, .75 reach, and 13/16 hex size. Check the gap specification against the vehicle service information before installation, and confirm the terminal style matches the ignition lead or coil-on-plug connection. For Honda Civic and other fitment-specific applications, always compare the OE part number and engine requirements before final installation.

Quality Assurance

NGK is a major OE spark plug supplier with extensive North American manufacturing and distribution support. The brand’s OE legacy and production standards support consistent fitment and dependable ignition performance across a wide range of applications.