NGK 9723 Spark Plug

Reliable Ignition Performance for Select Chrysler, Dodge, Hyundai, Jeep, Kia, Ram, and Volkswagen Vehicles

The NGK Laser Iridium High Ignitability Spark Plug 9723 is engineered to deliver consistent ignition and efficient combustion for a range of popular vehicle models. Designed with advanced materials and precise specifications, this spark plug supports optimal engine performance and fuel efficiency.

• Iridium center electrode tip for enhanced durability and ignition
• Square platinum ground electrode tip designed for high ignitability
• Copper core center electrode for improved conductivity
• Standard ground configuration with nickel ground electrode core
• Non-removable nut electrical terminal type for secure connection
• Pre-gap size of 0.044 inches for precise spark gap
• Flat seat type with 12 mm thread diameter and 26.5 mm reach
• Hex size of 5/8 inch for easy installation
• Manufacturer heat range rating of 7

About the NGK Laser Iridium High Ignitability Spark Plug Line

The Laser Iridium High Ignitability Spark Plug line from NGK is designed to provide improved ignition performance through the use of iridium and platinum electrode materials. This combination enhances spark efficiency and durability, making it suitable for modern engines requiring precise ignition timing and reliable spark delivery. The 9723 part number is a specific fitment within this line, tailored for compatibility with various Chrysler, Dodge, Hyundai, Jeep, Kia, Ram, and Volkswagen models.

Technical Details and Application

This spark plug features a copper core center electrode with an iridium tip, which offers a balance of excellent electrical conductivity and wear resistance. The square platinum ground electrode tip contributes to high ignitability, supporting stable combustion. The standard ground configuration and nickel core ground electrode provide durability under typical operating conditions. With a pre-gap size of 0.044 inches and a flat seat design, the NGK 9723 spark plug ensures proper fit and function in engines requiring these specifications.

Common Issues Addressed by NGK 9723 Spark Plug

• Misfiring or rough idling in compatible Chrysler 300 or Dodge Charger models
• Reduced fuel efficiency in Hyundai Elantra or Kia Forte vehicles
• Difficulty starting or poor throttle response in Jeep Wrangler or Ram 1500 trucks
• Engine hesitation or power loss in Volkswagen Routan or Santa Fe XL
• Ignition system wear due to standard electrode materials and heat range

Installation Notes and Tips

• Verify compatibility with your vehicle’s make and model before installation
• Use a torque wrench to tighten the spark plug to manufacturer specifications to avoid damage
• Check and adjust the spark plug gap if necessary, though pre-gap is set at 0.044 inches
• Ensure the spark plug seat type matches the engine’s cylinder head (flat seat)
• Inspect ignition wires and connectors for wear during replacement

Quality Assurance and Warranty

NGK spark plugs, including the Laser Iridium High Ignitability Spark Plug 9723, are manufactured to meet strict quality standards for durability and performance. While specific warranty details may vary, NGK products typically come with a limited warranty against manufacturing defects. Always consult the vehicle manufacturer’s guidelines and NGK’s warranty policy for detailed coverage information.