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Part #: 6216

NGK 6216 Spark Plug

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NGK Iridium IX Spark Plug Overview

The NGK Iridium IX Spark Plug 6216 is engineered for reliable ignition performance and durability. Designed with advanced materials and precise specifications, this spark plug supports efficient combustion and consistent engine operation.

  • Iridium center electrode tip for enhanced durability
  • 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
  • Pre-gap size of 0.036 inches for precise ignition timing
  • Flat seat type with 5/8 inch hex size for secure installation
  • Manufacturer heat range rating of 9 for specific engine requirements
  • Thread diameter of 10.00 mm and reach of 0.75 inches
  • Electrical terminal type: stud

Detailed Product Description

The NGK Iridium IX Spark Plug 6216 features a fine iridium center electrode tip that provides a stable and efficient spark, contributing to improved combustion and fuel efficiency. The copper core center electrode enhances electrical conductivity, ensuring consistent ignition performance. The taper cut ground electrode tip design increases spark exposure, which can help improve throttle response and reduce misfires. With a nickel ground electrode core and a standard ground configuration, this spark plug balances durability and performance.

The spark plug has a pre-gap size of 0.036 inches, optimized for precise ignition timing. Its flat seat type and 5/8 inch hex size allow for proper sealing and ease of installation. The manufacturer heat range of 9 indicates suitability for engines requiring a colder plug to prevent overheating. The 10.00 mm thread diameter and 0.75 inch reach ensure compatibility with specific engine cylinder heads.

The NGK Iridium IX Spark Plug line is known for its use of iridium, a metal with a high melting point and excellent wear resistance. This product line is designed to provide longer service life and stable performance under demanding conditions, making it a suitable choice for vehicles requiring reliable secondary ignition components.

Applications and Problem Solving

  • Helps reduce engine misfires and rough idling
  • Improves throttle response and acceleration consistency
  • Supports efficient fuel combustion for better fuel economy
  • Reduces spark plug fouling in high-performance or high-heat engines
  • Maintains stable ignition in vehicles with specific heat range requirements

Installation Notes and Tips

Ensure the spark plug gap is set to the specified 0.036 inches before installation. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended torque to avoid damage to the threads or improper sealing. The 5/8 inch hex size allows for standard spark plug socket compatibility. Verify compatibility with your vehicle’s make and model, especially regarding thread diameter and reach, to ensure proper fitment.

Quality Assurance

NGK spark plugs are manufactured to meet strict quality standards, ensuring consistent performance and durability. The Iridium IX Spark Plug 6216 undergoes rigorous testing for heat resistance, electrical conductivity, and wear. While specific warranty details are not provided, NGK products typically come with manufacturer-backed quality assurance to support reliable ignition system operation.

BrandNGK
Part Number6216
Resistance5000
Ground Electrode Tip DesignTaper cut
Ground ConfigurationStandard
Ground Electrode Core MaterialNickel
Electrical Terminal TypeStud
Center Electrode Core MaterialCopper
Center Electrode Tip MaterialIridium
Pre-Gap Size.036
Ground Electrode Quantity1
Hex Size5/8
Insulator Height50.00
Manufacturer Heat Range9
Seat TypeFlat
Reach.75
Thread Diameter10.00
Part NumberCr9ehix-9
Stock Number6216

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* 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:

414241434203621690793-2016398059-59916-HE98059-5991F999-06910-X9-022IUH27U27FE-ZU9U27FER-ZU9U31FE-ZU-9

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