NGK 6957 Spark Plug

NGK Iridium IX Spark Plug Overview

The NGK Iridium IX Spark Plug 6957 is engineered for reliable ignition performance and durability. Designed with advanced materials and precise specifications, this spark plug supports efficient combustion and consistent engine operation in various vehicle applications.

• Iridium center electrode tip for enhanced durability and ignition
• Taper cut ground electrode tip design for improved spark exposure
• Copper core center electrode for optimal conductivity
• Nickel ground electrode core material with standard ground configuration
• Non-removable nut electrical terminal type for secure connection
• Pre-gap size of 0.032 inches for precise spark gap
• Flat seat type with 14mm thread diameter and 0.75 inch reach
• Hex size 13/16 inch for standard installation tools
• Manufacturer heat range 10 for balanced thermal performance

Iridium IX Spark Plug Product Line Details

The NGK Iridium IX Spark Plug line is designed to provide improved ignitability and longer service life compared to conventional spark plugs. The iridium tip on the center electrode offers a fine wire design that reduces voltage requirements and enhances spark efficiency. This product line is suitable for drivers seeking consistent ignition performance and durability in secondary ignition systems.

Technical Description and Specifications

The NGK 6957 spark plug features a copper core center electrode with an iridium tip, combining excellent electrical conductivity with wear resistance. The taper cut ground electrode tip design increases spark exposure, promoting better combustion. The ground electrode is made of nickel and configured in a standard single-electrode layout. With a pre-gap size of 0.032 inches and a flat seat type, this spark plug ensures proper fit and reliable spark delivery. The thread diameter of 14mm and reach of 0.75 inches make it compatible with many vehicle engines requiring these dimensions. The non-removable nut electrical terminal type provides a secure connection, while the hex size of 13/16 inch allows for straightforward installation using common tools.

Compatible Vehicles and Common Applications

• Replacement spark plug for vehicles requiring NGK part number 6957
• Suitable for engines needing a heat range 10 spark plug
• Used in secondary ignition systems for improved combustion stability
• Addresses issues such as misfires, rough idling, and poor fuel economy
• Helps maintain engine performance in various makes and models with matching specifications

Installation Notes and Tips

Ensure the spark plug gap is set to the specified 0.032 inches before installation if adjustment is necessary. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended torque specification to avoid damage to the threads or seat. The 13/16 inch hex size fits standard spark plug sockets, facilitating installation and removal. Verify compatibility with your vehicle’s engine specifications, including thread diameter and reach, to ensure proper fitment.

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards for ignition components. The Iridium IX Spark Plug 6957 undergoes rigorous testing to ensure durability and consistent performance. While specific warranty details are not provided here, NGK typically offers coverage against manufacturing defects. Refer to NGK’s official documentation or your vehicle’s service manual for warranty and replacement guidelines.