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NGK 7418 Spark Plug
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.
| Brand | NGK |
|---|---|
| Part Number | 7418 |
| Position | Laser Iridium Spark Plug |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Iridium |
| Electrical Terminal Type | Non-Removable Nut |
| Ground Configuration | Standard |
| Ground Electrode Core Material | Nickel |
| Ground Electrode Quantity | 1 |
| Ground Electrode Tip Design | Standard |
| Hex Size | 5/8 |
| Insulator Height | 50.50 |
| Manufacturer Heat Range | 5 |
| Part Number | IFR5J11 |
| Pre-Gap Size | .044 |
| Reach | .75 |
| Resistance | 5000 |
| Seat Type | Flat |
| Stock Number | 7418 |
| Thread Diameter | 14.00 |
This part fits 24 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Suzuki | SX4 | 2.0L | L4 | N/A | Gap 0.044" OE Manufacturer; 60,000 mi Service Interval; Laser Iridium Spark Plug |
| 2008 | Suzuki | SX4 | 2.0L | L4 | N/A | Gap 0.044" OE Manufacturer; 60,000 mi Service Interval; Laser Iridium Spark Plug |
| 2007 | Suzuki | SX4 | 2.0L | L4 | N/A | Gap 0.044" OE Manufacturer; 60,000 mi Service Interval; Laser Iridium Spark Plug |
| 2005 | Suzuki | Grand Vitara | 2.5L | V6 | N/A | Gap 0.044" OE Manufacturer; 60,000 mi Service Interval; Laser Iridium Spark Plug |
| 2004 | Chevrolet | Tracker | 2.5L | V6 | N/A | Gap 0.044"; OE Equivalent Design*; 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2004 | Suzuki | Grand Vitara | 2.5L | V6 | N/A | Gap 0.044" OE Manufacturer; 60,000 mi Service Interval; Laser Iridium Spark Plug |
| 2004 | Suzuki | Vitara | 2.5L | V6 | N/A | Gap 0.044" OE Manufacturer; 60,000 mi Service Interval; Laser Iridium Spark Plug |
| 2003 | Chevrolet | Tracker | 2.5L | V6 | N/A | Gap 0.044"; OE Equivalent Design*; 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2003 | Chevrolet | Tracker | 2.0L | L4 | N/A | Gap 0.044"; OE Equivalent Design*; 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2003 | Suzuki | Grand Vitara | 2.5L | V6 | N/A | Gap 0.044" OE Manufacturer; 60,000 mi Service Interval; Laser Iridium Spark Plug |
| 2003 | Suzuki | Vitara | 2.0L | L4 | N/A | Gap 0.044" OE Manufacturer; 60,000 mi Service Interval; Laser Iridium Spark Plug |
| 2003 | Suzuki | XL-7 | 2.7L | V6 | N/A | Gap 0.044" OE Manufacturer; 60,000 mi Service Interval; Laser Iridium Spark Plug |
| 2002 | Chevrolet | Tracker | 2.5L | V6 | N/A | Gap 0.044"; OE Equivalent Design*; 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2002 | Chevrolet | Tracker | 2.0L | L4 | N/A | Gap 0.044"; OE Equivalent Design*; 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2002 | Suzuki | Grand Vitara | 2.5L | V6 | N/A | Spark Plug Gap is 0.044 inches per OE specifications.; Laser Iridium Spark Plug |
| 2002 | Suzuki | Vitara | 2.0L | L4 | N/A | Spark Plug Gap is 0.044 inches per OE specifications.; Laser Iridium Spark Plug |
| 2002 | Suzuki | XL-7 | 2.7L | V6 | N/A | Spark Plug Gap is 0.044 inches per OE specifications.; Laser Iridium Spark Plug |
| 2001 | Chevrolet | Tracker | 2.5L | V6 | N/A | Gap 0.044"; OE Equivalent Design*; 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2001 | Chevrolet | Tracker | 2.0L | L4 | N/A | Gap 0.044"; OE Equivalent Design*; 60,000 mi OE Mfr Recommended Service Interval; Laser Iridium Spark Plug |
| 2001 | Suzuki | Grand Vitara | 2.7L | V6 | N/A | Spark Plug Gap is 0.044 inches per OE specifications.; Laser Iridium Spark Plug |
| 2001 | Suzuki | Grand Vitara | 2.5L | V6 | N/A | Spark Plug Gap is 0.044 inches per OE specifications.; Laser Iridium Spark Plug |
| 2001 | Suzuki | Vitara | 2.0L | L4 | N/A | Spark Plug Gap is 0.044 inches per OE specifications.; Laser Iridium Spark Plug |
| 2000 | Suzuki | Grand Vitara | 2.5L | V6 | N/A | Spark Plug Gap is 0.044 inches per OE specifications.; Laser Iridium Spark Plug |
| 2000 | Suzuki | Vitara | 2.0L | L4 | N/A | Spark 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.