NGK 90137 Spark Plug

NGK Laser Iridium Spark Plug Overview

The NGK Laser Iridium High Ignitability Spark Plug 90137 is engineered for reliable ignition performance in Honda Fit vehicles. Designed with advanced materials and precise specifications, this spark plug supports efficient combustion and consistent engine operation.

• Part Number: 90137 (Dilzkar7c11s)
• Compatible with Honda Fit models
• Iridium center electrode tip for enhanced durability
• Dual fine ground electrode design for high ignitability
• Copper core materials in center and ground electrodes for optimal conductivity
• Pre-gap size of 0.044 inches for precise spark delivery
• Standard ground configuration with a single ground electrode
• Flat seat type and 14mm hex size for straightforward installation
• Reach length of 26.5mm and thread diameter of 12mm
• Non-removable nut electrical terminal type
• Manufacturer heat range rating of 7
• Insulator height of 50.00mm

About the Laser Iridium High Ignitability Spark Plug Line

The NGK Laser Iridium High Ignitability Spark Plug line focuses on delivering improved ignition performance through a combination of iridium-tipped center electrodes and dual fine ground electrodes. This design enhances spark efficiency and durability, making it suitable for vehicles like the Honda Fit that require consistent ignition under various driving conditions.

Technical Details and Performance Features

This spark plug features a copper core in both the center and ground electrodes, which promotes excellent electrical conductivity and heat dissipation. The iridium center electrode tip is designed to withstand high temperatures and resist wear, contributing to longer service life. The dual fine electrode ground tip improves ignitability by providing a more focused spark, which can enhance combustion efficiency. With a pre-gap size of 0.044 inches and a heat range of 7, this spark plug is optimized for the Honda Fit's engine requirements.

Applications and Problem Solving

• Compatible with Honda Fit models requiring part number 90137
• Helps resolve misfires and rough idling issues
• Improves cold start performance and throttle response
• Reduces fouling and electrode wear for extended maintenance intervals
• Supports stable combustion under varied driving conditions

Installation Notes and Tips

When installing the NGK Laser Iridium High Ignitability Spark Plug 90137, ensure the spark plug gap is set to the specified 0.044 inches if adjustment is necessary. Use a 14mm socket for proper torque application and verify the flat seat type matches the engine’s cylinder head design. Avoid over-tightening to prevent thread damage. The non-removable nut electrical terminal requires compatible ignition wiring connectors.

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards, ensuring reliable performance and durability. This part is produced with high-grade materials including iridium and copper to maintain consistent ignition characteristics. While specific warranty details are not provided here, NGK typically offers coverage against manufacturing defects. Refer to NGK’s official documentation for warranty terms related to part number 90137.