NGK SPARK PLUGS part description

Product Description

NGK Laser Iridium High Ignitability Spark Plug

Features & Benefits

  • ACTUAL OE or EQUIVALENT HIGH IGNITABILITY DESIGN: PSPE 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
  • PSPE DESIGN: Projected 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 PSPE iridium alloy plugs

Product Attributes

Part Number SIFR6A11
Stock Number 127
Resistance 5000.0 82
Ground Electrode Tip Design Projected Square Platinum Electrode (PSPE) - High Ignitability
Ground Configuration J-Gap
Ground Electrode Core Material Nickel
Electrical Terminal Type Non-Removable Nut
Center Electrode Core Material Copper
Center Electrode Tip Material Iridium
Pre-Gap Size .044 IN
Ground Electrode Quantity 1
Hex Size 5/8 IN
Insulator Height 50.50 MM
Manufacturer Heat Range 6
Seat Type Flat
Reach 0.750 IN
Thread Diameter 14.00 MM
Short Style Spark Plug No
Service Number SIFR6A11
Washer Included Yes
Grade Type Performance
Hex Size 5/8" (16mm)
Insulator Height 1.99 IN
Thread Diameter 0.551 IN
Insulator Material Ceramic
Resistor Type Yes
6648 0.0 IN
Ground Electrode Tip Material Platinum
9459 No
9506 0.16 IN
9608 Fine Wire
9745 Crush
9805 Mid Projection

Additional Information

Harmonized Tariff Code (HTS) 8511100000
Warranty Time UOM MO
Warranty Time 2
Country of Origin (Primary) JP
UPC 00087295101278
VMRS Code 033003005
UNSPSC 26101732

Part Interchanges

Fits Vehicles

  • Subaru Outback (2010-2012)
  • Subaru Legacy (2010-2012)

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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