NGK SPARK PLUGS part description

Laser Iridium Plug

Product Description

NGK Laser Iridium High Ignitability Spark Plug

Features & Benefits

  • NGK Laser Iridium High Ignitability spark plugs are designed with the most advanced OE tip configurations to maximize service life and combustion efficiency resulting in a quicker throttle response, smoother idle and better cold starts.
  • ACTUAL OE or EQUIVALENT HIGH IGNITABILITY DESIGN: SPE tip and iridium alloy center electrode produce the most advanced OE spark plug technology
  • IRIDIUM ALLOY CENTER ELECTRODE: Iridium's density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
  • SPE DESIGN: Square platinum electrode shape of the ground electrode provides the best ignitability and service life for high heat engines
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • RECOMMENDED USAGE: Best for vehicles with OE SPE iridium alloy plugs

Product Attributes

Stock Number 97566
Part Number SILZKFR8F7S
Resistance 1000.0 82
Ground Electrode Tip Design Square Platinum Electrode (SPE) - High Ignitability
Ground Configuration J-Gap
Ground Electrode Core Material Copper
Electrical Terminal Type Stud
Center Electrode Core Material Copper
Center Electrode Tip Material Iridium
Pre-Gap Size .028 IN
Ground Electrode Quantity 1
Hex Size 0.5511811024 IN
Insulator Height 51.00 MM
Manufacturer Heat Range 8
Seat Type Flat
Reach 1.043 IN
Thread Diameter 12.00 MM
Short Style Spark Plug No
Service Number SILZKFR8F7S
Washer Included Yes
Grade Type Performance
Hex Size 14mm
Insulator Height 2.01 IN
Thread Diameter 0.472 IN
Insulator Material Ceramic
Resistor Type Yes
6648 0.020 IN
Ground Electrode Tip Material Platinum
9459 Yes
9506 0.20 IN
9608 Fine Wire
9745 Flat
9746 Yes
9805 Long Projection

Additional Information

Harmonized Tariff Code (HTS) 8511100000
Warranty Time UOM MO
Warranty Time 2
Country of Origin (Primary) JP
UPC 00087295975664
VMRS Code 033003005
UNSPSC 26101732

Part Interchanges

Fits Vehicles

  • Mercedes-Benz G63 4x4 Squared AMG (2022-2024)
  • Mercedes-Benz AMG GT 55 (2024)
  • Mercedes-Benz S63 AMG E Performance (2024-2025)
  • Mercedes-Benz AMG GT 63 S E Performance (2024)
  • Mercedes-Benz AMG GT Black Series (2021)
  • Mercedes-Benz SL63 AMG (2022-2024)
  • Mercedes-Benz SL55 AMG (2022-2024)
  • Mercedes-Benz Maybach S580 (2021-2024)
  • Mercedes-Benz S580 (2021-2024)
  • Mercedes-Benz GLE580 (2020-2023)
  • Mercedes-Benz Maybach GLS600 (2021-2024)
  • Mercedes-Benz GLB35 AMG (2021-2023)
  • Mercedes-Benz GLA35 AMG (2021-2023)
  • Mercedes-Benz GLA250 (2021-2023)
  • Mercedes-Benz GLE63 AMG S (2021-2024)
  • Mercedes-Benz GLS63 AMG (2021-2024)
  • Mercedes-Benz E350 (2020-2023)
  • Mercedes-Benz GLB250 (2020-2023)
  • Mercedes-Benz GLS580 (2020-2024)
  • Mercedes-Benz CLA35 AMG (2020-2023)
  • Mercedes-Benz A35 AMG (2020-2022)
  • Mercedes-Benz AMG GT R Pro (2020)
  • Mercedes-Benz CLA250 (2020-2023)
  • Mercedes-Benz GLE350 (2020-2023)
  • Mercedes-Benz GLC300 (2020-2023)
  • Mercedes-Benz C300 (2019-2023)
  • Mercedes-Benz AMG GT 63 S (2019-2021, 2023)
  • Mercedes-Benz AMG GT 63 (2019-2021, 2023-2024)
  • Mercedes-Benz A250 (2019-2022)
  • Mercedes-Benz G63 AMG (2019-2024)
  • Mercedes-Benz A220 (2019-2022)
  • Mercedes-Benz G550 4x4 (2017-2018)
  • Mercedes-Benz GLC63 AMG S (2018-2021)
  • Mercedes-Benz GLC63 AMG (2018-2021)
  • Mercedes-Benz S63 AMG (2018-2021)
  • Mercedes-Benz Maybach S560 (2018-2020)
  • Mercedes-Benz S560 (2018-2021)
  • Mercedes-Benz E63 AMG S (2018-2023)
  • Mercedes-Benz AMG GT C (2018-2021)
  • Mercedes-Benz AMG GT R (2018-2020)
  • Mercedes-Benz AMG GT (2017-2021)
  • Mercedes-Benz G550 (2016-2024)
  • Mercedes-Benz C63 AMG S (2015-2021, 2023)
  • Mercedes-Benz C63 AMG (2016-2021)
  • Mercedes-Benz AMG GT S (2016-2019)

Headquartered in Wixom, Michigan, NGK® is a global leader in the design and manufacture of spark plugs for virtually every automotive and commercial vehicle application. It has grown immensely since its inception in 1936 with the expansion of its ignition product line and the introduction of its technical sensor and vehicle electronics line. NGK partners with OEMs and uses only the latest cutting tools to ensure each NGK product meets OE specifications for exact fit, form, and function. With world-class quality and engineering, NGK’s expertise goes beyond manufacturing the most reliable spark plugs for the automotive industry but also providing the best customer service possible.

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