NGK 1989 Spark Plug

NGK Laser Iridium Spark Plug Overview

The NGK Laser Iridium Spark Plug 1989 is engineered for reliable ignition performance in select Kia, Mitsubishi, and Smart vehicles. Designed to meet 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
• Pre-gap size of 0.032 inches for optimal spark
• Flat seat type with 12mm thread diameter and 26.5mm reach
• Non-removable nut electrical terminal type
• Manufacturer heat range rating of 7
• Hex size of 5/8 inch for installation

About the NGK Laser Iridium Spark Plug Line

The Laser Iridium Spark Plug line by NGK is designed to provide precise ignition with a focus on durability and performance. Featuring an iridium tip on the center electrode, these plugs offer a fine electrode that requires less voltage to generate a spark, contributing to improved fuel efficiency and reduced emissions. The combination of a copper core center electrode and nickel ground electrode ensures effective heat dissipation and long service life, making it suitable for vehicles requiring consistent ignition quality.

Detailed Product Description

This NGK spark plug, part number 1989, incorporates a 5000 ohm resistance to reduce electrical noise and protect vehicle electronics. The single ground electrode with a standard design and nickel core provides stable spark grounding. The flat seat design ensures proper sealing in the combustion chamber, while the 26.5mm reach and 12mm thread diameter match OEM specifications for compatible vehicles. The pre-gap of 0.032 inches is factory set to optimize ignition timing and combustion efficiency. The non-removable nut terminal type simplifies installation and maintains secure electrical connection.

Compatible Vehicles and Applications

• Compatible with Kia Soul models requiring part number 1989
• Suitable for Mitsubishi Outlander vehicles with matching spark plug specifications
• Designed for Smart Fortwo models needing NGK Laser Iridium spark plugs
• Ideal for addressing ignition misfires, rough idling, and poor fuel economy in these vehicles
• Helps maintain engine performance and reduce emissions in compatible models

Installation Notes and Tips

• Verify vehicle compatibility with part number 1989 before installation
• Use a 5/8 inch socket wrench for proper tightening
• Ensure the spark plug gap remains at 0.032 inches; do not adjust unless specified by the vehicle manufacturer
• Apply anti-seize compound on threads if recommended by the vehicle service manual
• Torque to manufacturer specifications to avoid damage to the spark plug or cylinder head

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards, ensuring consistent performance and durability. The Laser Iridium Spark Plug 1989 undergoes rigorous testing for heat range, electrode wear, and electrical resistance. While specific warranty details may vary, NGK products typically come with a limited warranty against manufacturing defects. Consult vehicle service documentation or NGK for warranty information related to this part.