NGK 7854 Spark Plug

Overview of NGK Laser Iridium Spark Plug 7854

The NGK Laser Iridium Spark Plug 7854 is engineered for reliable ignition performance in select Hyundai and Kia 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 0.044 inches for optimal spark
• Flat seat type with 14mm thread diameter and 0.75 inch reach
• Manufacturer heat range rating of 5
• Hex size of 5/8 inch for installation

Detailed Product Features and Specifications

This NGK spark plug features an iridium tip on the center electrode, which provides a fine electrode for precise spark generation and long service life. The copper core center electrode enhances electrical conductivity, contributing to efficient ignition. The ground electrode is constructed with a nickel core and a standard tip design, ensuring stable spark gap maintenance. The spark plug has a pre-set gap of 0.044 inches, which supports optimal combustion in compatible engines.

The spark plug’s flat seat design and 14mm thread diameter with a 0.75 inch reach make it suitable for specific Hyundai and Kia models. The non-removable nut electrical terminal type simplifies installation and connection reliability. With a heat range of 5, this spark plug balances heat dissipation and performance for the intended applications.

About the NGK Laser Iridium Spark Plug Line

The Laser Iridium Spark Plug line from NGK is designed to provide precise ignition performance through the use of iridium-tipped electrodes. This technology offers improved wear resistance and consistent spark delivery compared to conventional plugs. The 7854 part number is part of this line, combining iridium technology with copper core electrodes to optimize conductivity and durability for secondary ignition systems.

Compatible Vehicles and Common Applications

This spark plug is compatible with a range of Hyundai and Kia models, including:

• Hyundai Amanti, Azera, Elantra, Entourage, Santa Fe, Sonata, Tiburon, Tucson, Veracruz
• Kia Sedona, Sorento, Sportage

It is designed to address ignition-related issues such as:

• Engine misfires and rough idling
• Poor fuel efficiency due to incomplete combustion
• Difficulty starting the engine
• Reduced engine power and acceleration
• Increased emissions from inefficient ignition

Installation Notes and Tips

• Verify compatibility with your vehicle’s make and model before installation
• Use a torque wrench to tighten the spark plug to manufacturer specifications
• Check and adjust the spark plug gap if necessary, though the pre-gap is set at 0.044 inches
• Inspect the ignition system components for wear or damage during replacement
• Replace spark plugs in sets to maintain consistent engine performance

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Laser Iridium Spark Plug 7854 undergoes rigorous testing for material integrity and electrical performance. While specific warranty details may vary, NGK typically offers coverage against manufacturing defects. Consult vehicle or part documentation for exact warranty terms.