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Part #: 9198

NGK 9198 Spark Plug

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Reliable Ignition with NGK Iridium IX Spark Plug 9198

The NGK Iridium IX Spark Plug 9198 offers precise ignition performance designed for a range of vehicle applications. Engineered with advanced materials and a tapered ground electrode tip, this spark plug supports efficient combustion and consistent engine operation.

  • Iridium center electrode tip for enhanced durability and ignition
  • Taper cut ground electrode tip for improved spark exposure
  • Copper core center electrode for optimal conductivity
  • Standard ground configuration with nickel ground electrode core
  • Flat seat type with 5/8 inch hex size for secure installation
  • Pre-gap size of 0.036 inches for precise spark gap
  • Manufacturer heat range rating of 7 suitable for various engine conditions
  • Electrical terminal type: stud for reliable connection
  • Thread diameter of 10.00 mm and reach of 0.75 inches

About the NGK Iridium IX Spark Plug Line

The Iridium IX Spark Plug line by NGK is designed to provide enhanced ignition performance through the use of iridium, a durable and heat-resistant metal. This product line focuses on delivering improved throttle response and increased spark efficiency compared to conventional spark plugs. The 9198 part number is part of this line, featuring a copper core center electrode combined with an iridium tip to balance conductivity and longevity.

Technical Details and Performance

The NGK Iridium IX Spark Plug 9198 incorporates a copper core center electrode that ensures excellent electrical conductivity, while the iridium tip provides a fine electrode for precise spark generation. The tapered ground electrode tip design increases spark exposure, which can contribute to more complete combustion. The nickel ground electrode core offers durability under high temperatures. With a pre-gap size of 0.036 inches and a heat range of 7, this spark plug is engineered to maintain optimal performance across various driving conditions. The flat seat and 5/8 inch hex size facilitate proper seating and ease of installation.

Common Applications and Problem Solving

  • Improves engine misfire issues by providing consistent spark delivery
  • Enhances throttle response and fuel efficiency in compatible vehicles
  • Reduces fouling and electrode wear for longer service intervals
  • Supports stable combustion in engines requiring a heat range 7 spark plug
  • Addresses rough idling caused by worn or inefficient spark plugs

Installation Notes and Tips

When installing the NGK Iridium IX Spark Plug 9198, ensure the spark plug gap is set to the specified 0.036 inches if adjustment is necessary. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended specifications to avoid damage to the threads or improper seating. The 5/8 inch hex size allows for compatibility with standard spark plug sockets. Verify compatibility with your vehicle’s make and model before installation.

Quality Assurance and Warranty

NGK is a recognized manufacturer of ignition components with stringent quality control standards. The Iridium IX Spark Plug 9198 is manufactured to meet OEM specifications for durability and performance. While specific warranty details are not provided here, NGK products typically come with manufacturer-backed quality assurance to support reliable operation.

BrandNGK
Part Number9198
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 Range7
Seat TypeFlat
Reach.75
Thread Diameter10.00
Part NumberCpr7eaix-9
Stock Number9198

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

9198

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