NGK 4867 Spark Plug

Overview of NGK Laser Iridium Spark Plug 4867

The NGK Laser Iridium Spark Plug 4867 is engineered for reliable ignition performance in select Mitsubishi and Toyota vehicles. Designed with advanced materials and precise specifications, this spark plug supports efficient combustion and engine responsiveness.

• Iridium center electrode tip for enhanced durability
• Trapezoid ground electrode tip design for stable spark
• Copper core center electrode for optimal conductivity
• Standard ground configuration with nickel ground electrode core
• Non-removable nut electrical terminal type
• Pre-gap size of 0.032 inches for precise ignition
• 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

Detailed Product Description

The NGK Laser Iridium Spark Plug 4867 features a copper core center electrode with an iridium tip, which provides a balance of excellent electrical conductivity and long-lasting wear resistance. The trapezoid ground electrode tip design helps maintain a consistent spark, contributing to smoother engine operation. With a nickel ground electrode core and a standard ground configuration, this spark plug is built to meet the ignition demands of Mitsubishi Eclipse and Galant models, as well as Toyota Sequoia and Tundra vehicles. The non-removable nut electrical terminal ensures secure connection, while the flat seat type and 14mm thread diameter provide proper fitment and sealing within the combustion chamber.

The NGK Laser Iridium Spark Plug line is known for combining iridium's high melting point with precise electrode design to improve ignition efficiency and extend service life. This part number Ifr6b-k (stock number 4867) is tailored to meet the specific heat range and physical dimensions required by the compatible Mitsubishi and Toyota models, ensuring optimal engine performance and fuel efficiency.

Compatible Vehicles and Applications

• Designed for Mitsubishi Eclipse and Galant models
• Compatible with Toyota Sequoia and Tundra vehicles
• Ideal for secondary ignition system replacement
• Suitable for addressing ignition misfires and rough idling
• Helps restore engine starting reliability and fuel economy

Installation Notes and Tips

• Verify correct spark plug gap of 0.032 inches before installation
• Use a 5/8 inch socket wrench for proper tightening
• Ensure flat seat type matches engine specifications to prevent leaks
• 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 testing to meet OEM standards for durability and performance. The Laser Iridium Spark Plug 4867 is manufactured with high-quality materials including iridium and copper to ensure consistent ignition and longevity. While specific warranty details may vary, NGK products typically come with a limited warranty covering defects in materials and workmanship.