NGK 6619 Spark Plug

NGK Iridium IX Spark Plug Overview

The NGK Iridium IX Spark Plug 6619 is engineered for reliable ignition performance in a variety of vehicles including Acura, BMW, Honda, Lexus, Subaru, Toyota, and Volvo models. Designed with advanced materials and precise specifications, this spark plug supports efficient combustion and consistent engine operation.

• 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
• Standard ground configuration with nickel ground electrode core
• 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 26.5mm reach
• Hex size of 5/8 inch for easy installation
• Manufacturer heat range 6 suitable for various engine conditions

Detailed Product Description

The NGK Iridium IX Spark Plug 6619 features a copper core center electrode with an iridium tip, which provides a stable and efficient spark for combustion. The taper cut ground electrode tip design increases spark exposure, contributing to improved ignition and fuel efficiency. The ground electrode is made from nickel, offering durability under high temperatures. This spark plug has a pre-gap size of 0.044 inches, ensuring optimal spark gap for consistent ignition. Its flat seat type and 14mm thread diameter with a 26.5mm reach make it compatible with a wide range of vehicles. The non-removable nut electrical terminal type ensures a secure and reliable connection during operation.

Iridium IX Spark Plug Product Line

The Iridium IX Spark Plug line by NGK is designed to deliver enhanced ignition performance and durability compared to conventional spark plugs. Featuring an iridium center electrode tip, this product line offers improved wear resistance and a more focused spark, which can contribute to better throttle response and fuel efficiency. The 6619 part number is part of this line, providing a balance of advanced materials and precise engineering for secondary ignition systems.

Compatible Vehicles and Applications

This NGK Iridium IX Spark Plug 6619 is compatible with a variety of makes and models, including Acura ILX, BMW 328i, Honda Civic, Lexus RX350, Subaru Outback, Toyota Camry, and Volvo XC90 among others. It is suitable for use in ignition systems requiring a 14mm thread diameter, 26.5mm reach, and a heat range of 6.

• Resolves misfires and rough idling issues
• Improves cold start performance
• Enhances fuel combustion efficiency
• Reduces spark plug fouling and wear
• Maintains consistent engine power output

Installation Notes and Tips

When installing the NGK Iridium IX Spark Plug 6619, ensure the spark plug gap is set to the specified 0.044 inches if adjustment is necessary. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended torque specification to avoid damage to the threads or seat. The 5/8 inch hex size allows for standard spark plug socket compatibility. Inspect the ignition coil boots and wiring for wear during installation to maintain optimal ignition system performance.

Quality Assurance and Warranty

NGK spark plugs, including the Iridium IX Spark Plug 6619, are manufactured to meet strict quality standards for durability and performance. The use of iridium and copper materials ensures long service life and reliable ignition. While specific warranty details may vary, NGK products typically come with manufacturer-backed quality assurance to support their performance in compatible vehicles.