NGK SPARK PLUGS part description

NGK Laser Iridium High Ignitability Spark Plug

Product Description

NGK Laser Iridium High Ignitability Spark Plug

Features & Benefits

  • 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 94712
Short Style Spark Plug No
Part Number SILFER8C7ES
Service Number SILFER8C7ES
Resistance 1000.0 82
Ground Electrode Tip Design Square Platinum Electrode (SPE) - High Ignitability
Ground Configuration J-Gap
Ground Electrode Core Material Copper
Washer(s) Included Yes
Grade Type Performance
Electrical Terminal Type Cup
Center Electrode Core Material Copper
Center Electrode Tip Material Iridium
Pre-Gap Size .028 IN
Ground Electrode Quantity 1
Hex Size 5/8" (16mm)
Insulator Height 1.99 IN
Manufacturer Heat Range 8
Seat Type Flat
Reach 1.043 IN
Thread Diameter 0.551 IN
Insulator Material Ceramic
Resistor Type Yes
Skirt Length 0.0 IN
Ground Electrode Tip Material Platinum
Skirt No
Center Electrode Insulator Tip Projection 0.14 IN
Center Electrode Design Fine Wire
Washer Type Flat
Center Electrode Projection Mid Projection

Additional Information

Harmonized Tariff Code (HTS) 8511100000
Warranty Time UOM MO
Warranty Time 2
Country of Origin (Primary) JP
UPC 00087295947128
VMRS Code 033003005
UNSPSC 26101732

Part Interchanges

Fits Vehicles

  • Volkswagen Atlas (2024-2025)
  • Volkswagen Atlas Cross Sport (2024-2025)
  • Audi Q5 PHEV (2023-2024)
  • Audi A3 Quattro (2022-2024)
  • Audi A3 (2022-2024)
  • Porsche Macan (2022-2024)
  • Volkswagen GTI (2022-2024)
  • Audi Q5 Sportback (2021-2024)
  • Audi Q5 (2021-2024)
  • Audi A5 Sportback (2021-2024)
  • Audi A5 Quattro (2021-2024)
  • Audi A4 Quattro (2021-2024)
  • Audi A4 allroad (2021-2024)
  • Audi A6 Quattro (2021-2024)
  • Audi TT RS Quattro (2012-2013, 2018-2022)
  • Audi RS3 (2017-2020, 2022-2024)
  • Audi RS7 (2014-2018)
  • Audi S6 (2013-2018)
  • Audi S8 (2013-2018)
  • Audi S7 (2013-2018)
  • Audi A8 Quattro (2013-2018)

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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