NGK 2687 Spark Plug

NGK Laser Iridium Spark Plug Overview

The NGK Laser Iridium Spark Plug 2687 is engineered for reliable ignition performance in select Mitsubishi vehicles. Designed with advanced materials and precise specifications, this spark plug supports efficient combustion and consistent engine operation.

• Iridium center electrode tip for enhanced durability
• Copper core center electrode for improved conductivity
• Standard ground electrode with nickel core material
• Non-removable nut electrical terminal type
• Pre-gap size of 0.032 inches for optimal spark
• 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 6

About the NGK Laser Iridium Spark Plug Line

The Laser Iridium Spark Plug line from NGK combines iridium's high melting point with copper's excellent conductivity to deliver stable ignition and long service life. This product line focuses on precision electrode design and material quality to meet the demands of modern engines, such as those found in Mitsubishi Eclipse, Endeavor, Galant, and Lancer models.

Technical Details and Specifications

This NGK spark plug (part number 2687) features a single ground electrode with a standard tip design made from nickel, providing a balance of durability and performance. The center electrode core is copper, which enhances electrical conductivity, while the iridium tip ensures a consistent spark and resistance to wear. The plug has a resistance rating of 5000 ohms, helping to reduce radio frequency interference. Its flat seat and 14mm thread diameter ensure proper fitment and sealing in compatible Mitsubishi engines.

Compatible Mitsubishi Models and Applications

• Mitsubishi Eclipse ignition system maintenance
• Replacement spark plug for Mitsubishi Endeavor engines
• Ignition component for Mitsubishi Galant vehicles
• Suitable for Mitsubishi Lancer secondary ignition needs

Installation Notes and Tips

• Verify the correct spark plug gap of 0.032 inches before installation
• Use a 5/8 inch socket wrench for proper tightening
• Ensure the flat seat type matches the engine’s cylinder head design
• Apply anti-seize compound sparingly on threads if recommended by vehicle manufacturer
• Torque to manufacturer specifications to avoid damage

Quality Assurance and Warranty

NGK spark plugs undergo rigorous quality control to meet OEM standards. The Laser Iridium Spark Plug 2687 is manufactured with precision materials and tested for durability and performance. While specific warranty details depend on the vehicle manufacturer and installation conditions, NGK products typically come with a limited warranty against manufacturing defects.