Part #: 7418

NGK 7418 Spark Plug

Laser Iridium Spark Plug
24 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Laser Iridium Spark Plug
Fitment: Suzuki and Chevrolet, SX4, Aerio, Grand Vitara, Tracker, Vitara, and XL-7
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NGK Laser Iridium Spark Plug 7418 Overview

The NGK Laser Iridium Spark Plug 7418 is engineered for reliable ignition performance in select Chevrolet and Suzuki 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
  • Pre-set gap size of 0.044 inches for optimal spark
  • Non-removable nut electrical terminal type
  • 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 Description

The NGK Laser Iridium Spark Plug 7418 features a fine iridium tip on the center electrode, which provides a stable and efficient spark while maintaining long service life. The copper core center electrode enhances electrical conductivity, contributing to improved ignition and fuel efficiency. The ground electrode is constructed with a nickel core and a standard tip design, ensuring consistent spark gap and durability under normal operating conditions. With a pre-gap size of 0.044 inches and a flat seat type, this spark plug is designed to meet the precise ignition requirements of compatible engines.

This spark plug is part of NGK's Laser Iridium Spark Plug line, known for combining iridium's high melting point with precise manufacturing to deliver reliable ignition performance and extended service intervals. The Laser Iridium series is engineered to provide stable combustion and reduce misfires, making it suitable for vehicles requiring consistent ignition quality.

Compatible Vehicles and Applications

This NGK Laser Iridium Spark Plug 7418 is compatible with various Chevrolet and Suzuki models, including the Chevrolet Tracker and Suzuki Grand Vitara, SX4, Vitara, and XL-7. It is designed specifically for these vehicles' ignition systems, ensuring proper fit and function.

  • Improves ignition stability in Chevrolet Tracker and Suzuki Grand Vitara
  • Reduces misfires and rough idling in Suzuki SX4 and Vitara
  • Supports efficient combustion in Suzuki XL-7 engines
  • Helps maintain engine performance and fuel economy

Installation Notes and Tips

  • Verify the spark plug gap before installation; the pre-gap is set at 0.044 inches
  • Use a 5/8 inch socket wrench for proper tightening
  • Ensure the flat seat type matches the engine’s cylinder head design
  • Do not overtighten to avoid thread damage; follow manufacturer torque specifications
  • Replace spark plugs at recommended service intervals for optimal performance

Quality Assurance and Warranty

NGK spark plugs are manufactured to strict quality standards to ensure reliable ignition performance. The Laser Iridium Spark Plug 7418 undergoes rigorous testing for durability and electrical resistance, rated at 5000 ohms to reduce radio frequency interference. While specific warranty details may vary, NGK products typically come with manufacturer-backed quality assurance to support long-term use in compatible Chevrolet and Suzuki vehicles.

BrandNGK
Part Number7418
PositionLaser Iridium Spark Plug
Center Electrode Core MaterialCopper
Center Electrode Tip MaterialIridium
Electrical Terminal TypeNon-Removable Nut
Ground ConfigurationStandard
Ground Electrode Core MaterialNickel
Ground Electrode Quantity1
Ground Electrode Tip DesignStandard
Hex Size5/8
Insulator Height50.50
Manufacturer Heat Range5
Part NumberIFR5J11
Pre-Gap Size.044
Reach.75
Resistance5000
Seat TypeFlat
Stock Number7418
Thread Diameter14.00

This part fits 24 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2009SuzukiSX42.0LL4N/AGap 0.044" OE Manufacturer; 60,000 mi Service Interval; Laser Iridium Spark Plug
2008SuzukiSX42.0LL4N/AGap 0.044" OE Manufacturer; 60,000 mi Service Interval; Laser Iridium Spark Plug
2007SuzukiSX42.0LL4N/AGap 0.044" OE Manufacturer; 60,000 mi Service Interval; Laser Iridium Spark Plug
2005SuzukiGrand Vitara2.5LV6N/AGap 0.044" OE Manufacturer; 60,000 mi Service Interval; Laser Iridium Spark Plug
2004ChevroletTracker2.5LV6N/AGap 0.044"; OE Equivalent Design*; 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2004SuzukiGrand Vitara2.5LV6N/AGap 0.044" OE Manufacturer; 60,000 mi Service Interval; Laser Iridium Spark Plug
2004SuzukiVitara2.5LV6N/AGap 0.044" OE Manufacturer; 60,000 mi Service Interval; Laser Iridium Spark Plug
2003ChevroletTracker2.5LV6N/AGap 0.044"; OE Equivalent Design*; 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2003ChevroletTracker2.0LL4N/AGap 0.044"; OE Equivalent Design*; 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2003SuzukiGrand Vitara2.5LV6N/AGap 0.044" OE Manufacturer; 60,000 mi Service Interval; Laser Iridium Spark Plug
2003SuzukiVitara2.0LL4N/AGap 0.044" OE Manufacturer; 60,000 mi Service Interval; Laser Iridium Spark Plug
2003SuzukiXL-72.7LV6N/AGap 0.044" OE Manufacturer; 60,000 mi Service Interval; Laser Iridium Spark Plug
2002ChevroletTracker2.5LV6N/AGap 0.044"; OE Equivalent Design*; 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2002ChevroletTracker2.0LL4N/AGap 0.044"; OE Equivalent Design*; 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2002SuzukiGrand Vitara2.5LV6N/ASpark Plug Gap is 0.044 inches per OE specifications.; Laser Iridium Spark Plug
2002SuzukiVitara2.0LL4N/ASpark Plug Gap is 0.044 inches per OE specifications.; Laser Iridium Spark Plug
2002SuzukiXL-72.7LV6N/ASpark Plug Gap is 0.044 inches per OE specifications.; Laser Iridium Spark Plug
2001ChevroletTracker2.5LV6N/AGap 0.044"; OE Equivalent Design*; 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2001ChevroletTracker2.0LL4N/AGap 0.044"; OE Equivalent Design*; 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug
2001SuzukiGrand Vitara2.7LV6N/ASpark Plug Gap is 0.044 inches per OE specifications.; Laser Iridium Spark Plug
2001SuzukiGrand Vitara2.5LV6N/ASpark Plug Gap is 0.044 inches per OE specifications.; Laser Iridium Spark Plug
2001SuzukiVitara2.0LL4N/ASpark Plug Gap is 0.044 inches per OE specifications.; Laser Iridium Spark Plug
2000SuzukiGrand Vitara2.5LV6N/ASpark Plug Gap is 0.044 inches per OE specifications.; Laser Iridium Spark Plug
2000SuzukiVitara2.0LL4N/ASpark Plug Gap is 0.044 inches per OE specifications.; Laser Iridium Spark Plug

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

09482-005494503451247017418FGR9DQIIK16TTPK16TT

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.