NGK 92373 Spark Plug

Reliable Ignition for Suzuki SX4 and SX4 Crossover

The NGK Laser Iridium High Ignitability Spark Plug 92373 is engineered to deliver consistent ignition performance for Suzuki SX4 and SX4 Crossover models. Designed with advanced materials and precise specifications, this spark plug supports efficient combustion and engine responsiveness.

• Iridium center electrode tip for enhanced durability and ignition
• Square platinum ground electrode tip for high ignitability
• Copper core center electrode for optimal conductivity
• Standard ground configuration with nickel ground electrode core
• Pre-gap size of 0.044 inches for precise spark delivery
• Non-removable nut electrical terminal type for secure connection
• Flat seat type with 14mm thread diameter and 26.5mm reach
• Hex size of 5/8 inch for standard installation tools
• Manufacturer heat range rating of 5 for balanced thermal performance

About the NGK Laser Iridium High Ignitability Spark Plug Line

The Laser Iridium High Ignitability Spark Plug line from NGK focuses on delivering improved ignition efficiency through the use of iridium and platinum electrode materials. This combination enhances spark stability and longevity, making it suitable for modern engines requiring precise ignition timing and durability. The 92373 part number is a specific fitment within this line, tailored for Suzuki SX4 and SX4 Crossover vehicles.

Technical Details and Performance

This spark plug features a copper core center electrode with an iridium tip, which provides excellent electrical conductivity and wear resistance. The ground electrode uses a square platinum tip designed for high ignitability, ensuring reliable spark generation under various operating conditions. The nickel core ground electrode and standard ground configuration maintain consistent performance and durability. With a pre-gap size of 0.044 inches and a flat seat design, the plug ensures proper spark gap and secure seating in the combustion chamber.

Common Applications and Problem Solving

• Restores engine misfire issues in Suzuki SX4 and SX4 Crossover
• Improves cold start performance and throttle response
• Reduces fouling and electrode wear for longer service intervals
• Enhances fuel efficiency by ensuring complete combustion
• Maintains stable ignition under varying engine loads and temperatures

Installation Notes and Tips

When installing the NGK 92373 spark plug, ensure the engine is cool to prevent damage to the threads. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended specifications to avoid over-tightening or under-tightening. The 5/8 inch hex size allows for compatibility with common spark plug sockets. Verify the pre-gap size of 0.044 inches before installation, although the plug comes pre-gapped for Suzuki SX4 and SX4 Crossover models.

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Laser Iridium High Ignitability Spark Plug 92373 undergoes rigorous testing for heat range, electrode wear, and ignition efficiency. While specific warranty details are not provided, NGK products typically come with manufacturer-backed quality assurance to support automotive maintenance needs.