NGK 7168 Spark Plug

NGK 7168 Standard Spark Plug Overview

NGK 7168 is a standard spark plug built for OE-style ignition performance and consistent service in select Porsche applications. It uses a copper center electrode core, nickel center electrode tip, and nickel ground electrode materials to support stable spark delivery and dependable combustion.

Fits 2007-2008 Porsche 911, N/A. Fits 2010-2011 Porsche 911, N/A.

Key Features

• NGK Standard Spark Plug line for OE replacement needs
• Part number 7168, also identified as DCPR8EKC
• 5000 ohm resistance for ignition system compatibility
• Pre-gapped at .036 for direct installation reference
• 12 mm thread diameter with .75 reach and flat seat design
• Copper core center electrode with nickel tip materials
• Special side ground electrode design with two ground electrodes
• 5/8 hex size and non-removable nut terminal
• Manufacturer heat range 8

Product Details

NGK’s Standard Spark Plug line focuses on original equipment standards, durability, and consistent operation across a wide range of vehicles. As an OE supplier with decades of automotive experience, NGK builds this plug to match the needs of select Porsche 911 models while maintaining the ignition characteristics expected from a factory-style replacement. The NGK 7168 spark plug is a practical choice for drivers servicing 2007-2008 Porsche 911 and 2010-2011 Porsche 911 applications that call for this specification.

This part cross-references BMW 12 12 7 671 301 and 12 12 7 728 634 for the same application.

Common Issues This Spark Plug Can Address

• Rough idle caused by worn or fouled spark plugs
• Hard starting from weak or inconsistent spark delivery
• Misfire conditions tied to aged ignition components
• Reduced fuel burn efficiency from degraded plug performance
• Service interval replacement for OE-style maintenance on Porsche 911 models

Installation Notes and Tips

Verify the plug specification against the vehicle’s service information before installation. Check the gap against the engine requirement, confirm the flat seat and 12 mm thread match the cylinder head, and inspect the ignition system for wear that could affect plug life. Use proper torque procedures during installation to help protect the threads and sealing surface.

Quality Assurance

NGK is a long-established OE spark plug manufacturer with North American and global production and distribution support. The 7168 is built to original-equipment standards for durability and operational consistency in the listed Porsche 911 fitments.