NGK 2115 Spark Plug - Exhaust Side

NGK Iridium IX Spark Plug Overview

The NGK Iridium IX Spark Plug 2115 is engineered for reliable ignition performance in a variety of vehicles including Chevrolet, Honda, Toyota, and more. 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
• Taper cut ground electrode tip design for improved spark exposure
• Copper core center electrode for optimal conductivity
• Nickel ground electrode core material with standard ground configuration
• Non-removable nut electrical terminal type 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 13/16 inch for easy installation
• Manufacturer heat range of 5 suitable for various engine conditions

Iridium IX Spark Plug Product Line Details

The NGK Iridium IX Spark Plug line is designed to provide enhanced ignition performance and longer service life compared to conventional spark plugs. Featuring an iridium center electrode tip, this product line offers improved wear resistance and consistent spark delivery. The 2115 part number is part of this line, combining advanced materials like copper and nickel to optimize electrical conductivity and durability.

Technical Description and Compatibility

This NGK spark plug 2115 features a single ground electrode with a taper cut design, which increases the spark exposure area for better combustion efficiency. The copper core center electrode ensures excellent thermal conductivity, while the iridium tip provides a fine electrode that requires less voltage to generate a spark. The flat seat and 14mm thread diameter make it compatible with a wide range of vehicles. This spark plug is compatible with multiple makes and models including Chevrolet Camaro, Honda Accord, Toyota Camry, Dodge Caravan, and Nissan Sentra among others.

Common Applications and Problem Solving

• Improves engine misfire issues in Chevrolet, Honda, and Toyota vehicles
• Enhances fuel efficiency by ensuring consistent spark delivery
• Reduces rough idling and hesitation during acceleration
• Supports stable ignition in vehicles with moderate to high mileage
• Helps maintain optimal engine performance in Dodge and Nissan models

Installation Notes and Tips

• Verify the correct spark plug gap of 0.044 inches before installation
• Use a torque wrench to tighten the spark plug to manufacturer specifications
• Ensure the spark plug threads are clean and free of debris
• Apply anti-seize compound sparingly on threads if recommended by the vehicle manufacturer
• Check for proper seating with the flat seat design to avoid compression leaks

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Iridium IX Spark Plug 2115 undergoes rigorous testing for heat range, electrode wear, and electrical resistance (5000 ohms) to maintain consistent ignition. While specific warranty details may vary, NGK products typically come with a limited warranty against manufacturing defects.