NGK 6615 Spark Plug

NGK BR7ES SOLID Spark Plug

The NGK BR7ES SOLID spark plug is a standard ignition component built for dependable secondary ignition performance in a wide range of domestic and import vehicles. With a copper core center electrode, nickel tip materials, and a 0.032 pre-gap, it is suited for drivers looking for a direct replacement spark plug with OE-style construction.

NGK’s Standard Spark Plug line focuses on original-equipment standards, broad vehicle coverage, and consistent manufacturing quality. Part number 6615, also identified as BR7ES SOLID, is a practical choice for routine ignition service on applications that call for a 14 mm, flat-seat spark plug with a 0.75 reach.

Key Features

• NGK Standard Spark Plug line for OE-style replacement service
• Part number 6615 / BR7ES SOLID
• Copper center electrode core for stable conductivity
• Nickel center and ground electrode tip materials
• Standard ground electrode design with one ground electrode
• 5,000 ohm resistance for ignition system noise suppression
• 14.00 mm thread diameter, 0.75 reach, and flat seat design
• 13/16 hex size for common spark plug service tools
• Pre-gapped to .032 for installation convenience

Detailed Description

Built for routine maintenance and replacement, the NGK 6615 spark plug uses a copper core center electrode to support consistent spark delivery, while the nickel tip materials help maintain reliable wear characteristics in everyday driving. The standard ground configuration and 5,000 ohm resistance make this plug a straightforward option for ignition systems that require a conventional resistor spark plug.

This BR7ES SOLID spark plug is designed with a 14 mm thread diameter, 0.75 reach, flat seat, and 13/16 hex size. Those specifications matter when matching the correct spark plug to the engine head, especially for long-tail searches such as NGK BR7ES SOLID spark plug for domestic and import vehicles, or NGK 6615 spark plug replacement for standard ignition service. NGK’s manufacturing background as a major OE supplier supports consistent fit and performance expectations across many automotive, motorcycle, marine, and small engine applications.

This part cross-references AMS Automotive 6615 for the same application.

What It Helps Address

• Hard starting caused by worn or fouled spark plugs
• Rough idle from inconsistent ignition firing
• Misfire conditions related to aged secondary ignition components
• Reduced throttle response from degraded spark delivery
• Routine tune-up replacement needs on vehicles using BR7ES SOLID specifications

Installation Notes and Tips

Verify the engine calls for a 14 mm, flat-seat spark plug with a 0.75 reach before installation. Check the existing plug gap and compare it to the .032 pre-gap specification, and confirm the 13/16 hex size matches your service tools. For vehicle-specific searches, confirm the application against the exact engine requirements for Honda Civic, Toyota Corolla, or Ford F-150 before ordering.

Use proper torque procedures and inspect ignition wires or coils during service to help maintain consistent performance. For fitment-based shopping, this NGK 6615 spark plug is the type of part commonly selected when replacing a standard spark plug in compatible Honda Civic, Toyota Corolla, or Ford F-150 applications that call for BR7ES SOLID specifications.

Quality Assurance

NGK is a long-established OE supplier with extensive North American coverage and global manufacturing and distribution capabilities. The brand’s Standard Spark Plug line is built around original-equipment standards for durability and operational consistency, making part number 6615 a dependable replacement choice when the engine specification matches.