NGK 1311 Spark Plug

Reliable Ignition for Mitsubishi Lancer and Outlander Models

The NGK Laser Iridium High Ignitability Spark Plug 1311 is engineered to provide consistent ignition performance for select Mitsubishi vehicles. Designed with advanced materials and precise specifications, this spark plug supports efficient combustion and engine responsiveness.

• Dual fine electrode ground tip for enhanced ignitability
• Iridium center electrode tip for durability and stable spark
• Copper core center electrode for optimal conductivity
• Standard ground configuration with nickel ground electrode core
• Non-removable nut electrical terminal for secure connection
• Pre-gap size of 0.044 inches for precise spark gap
• Flat seat type with 14mm thread diameter and 0.75 inch reach
• Hex size of 5/8 inch for installation compatibility
• Manufacturer heat range rating of 5

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 performance through the use of iridium-tipped electrodes and fine dual ground electrodes. This design enhances spark efficiency and combustion stability, which can contribute to smoother engine operation and better fuel efficiency. The 1311 part number is a specific fitment within this line, tailored for certain Mitsubishi models.

Technical Details and Performance

This spark plug features a copper core center electrode that ensures excellent electrical conductivity, paired with an iridium tip that offers resistance to wear and high-temperature durability. The dual fine electrode ground tip design improves ignitability by providing a more focused spark area. The nickel ground electrode core adds strength and longevity. With a pre-gap size of 0.044 inches and a flat seat design, the spark plug maintains consistent spark gaps and secure seating in the combustion chamber. The non-removable nut terminal type ensures a reliable electrical connection during operation.

Compatible Mitsubishi Models and Applications

• Compatible with Mitsubishi Lancer models requiring part number 1311
• Suitable for Mitsubishi Outlander and Outlander Sport vehicles
• Fits Mitsubishi RVR models with matching ignition specifications
• Designed for secondary ignition system replacement
• Ideal for addressing ignition misfires, rough idling, and poor fuel economy

Installation Notes and Tips

When installing the NGK Laser Iridium High Ignitability Spark Plug 1311, 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. Verify the pre-gap size of 0.044 inches before installation, although the plug comes pre-gapped. Inspect the ignition coil and wiring for wear or damage during replacement to maintain optimal ignition system performance.

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 1311 undergoes rigorous testing for heat range, electrode wear, and electrical resistance, rated at 5000 ohms. While specific warranty details may vary, NGK products typically come with manufacturer-backed quality assurance to support long-term use in compatible Mitsubishi vehicles.