NGK SPARK PLUGS part description

LFR6AIX-11 S-PLUGS

Product Description

NGK Iridium IX Spark Plug

Features & Benefits

  • SINGLE IRIDIUM TIP: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
  • IRIDIUM ALLOY CENTER ELECTRODE: Iridium's density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
  • TAPERED CUT GROUND ELECTRODE: Reduced quenching design produces outstanding ignitability, improved acceleration, fuel efficiency and durability
  • 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: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs

Product Attributes

Part Number LFR6AIX-11
Stock Number 6619
Resistance 5000.0 82
Ground Electrode Tip Design Taper Cut
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 26.5 MM
Thread Diameter 14.00 MM
Short Style Spark Plug No
Service Number LFR6AIX-11
Washer Included Yes
Grade Type Performance
Hex Size 5/8" (16mm)
Insulator Height 1.99 IN
Reach 1.043 IN
Thread Diameter 0.551 IN
Insulator Material Ceramic
Resistor Type Yes
6648 0.0 IN
Ground Electrode Tip Material Nickel
9459 No
9506 0.14 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 00087295166192
VMRS Code 033003005
UNSPSC 26101732

Part Interchanges

Fits Vehicles

  • Volvo V60 (2015-2016)
  • Volvo XC90 (2012-2014)
  • Volvo XC70 (2012-2015)
  • Volvo XC60 (2012-2016)
  • Volvo S80 (2012-2015)
  • Volvo S60 (2012-2016)
  • Volvo C30 (2007-2010)
  • Volvo V50 (2005-2010)
  • Volvo S40 (2004-2010)
  • Toyota Venza (2009-2016)
  • Lotus Evora (2014)
  • Acura ILX (2013-2015)
  • Suzuki Kizashi (2010-2013)
  • Lexus GX460 (2010-2023)
  • Subaru Tribeca (2010-2014)
  • Subaru Legacy (2010-2019)
  • Honda Insight (2010-2014)
  • Lexus RX450h (2010-2015)
  • BMW 328i xDrive (2009)
  • BMW 528i xDrive (2009-2010)
  • Suzuki Grand Vitara (2009-2013)
  • BMW 128i (2008-2009)
  • Toyota Sequoia (2008-2022)
  • Toyota Land Cruiser (2008-2011, 2013-2021)
  • Lexus LX570 (2008-2011, 2013-2021)
  • Toyota Highlander (2008-2016)
  • BMW 528xi (2008)
  • BMW 528i (2008-2010)
  • BMW X5 (2007-2009)
  • Toyota Sienna (2007-2016)
  • BMW X3 (2007-2009)
  • BMW 328xi (2007-2008)
  • BMW 328i (2007-2009)
  • BMW 323i (2006-2009)
  • Lexus RX350 (2007-2015)
  • Lexus ES350 (2007-2018)
  • Toyota Camry (2007-2017)
  • Toyota FJ Cruiser (2007-2013)
  • Toyota RAV4 (2006-2012)
  • Saab 9-3 (2006-2009)
  • BMW Z4 (2006-2009)
  • BMW 330xi (2006)
  • BMW 325xi (2006)
  • Honda Civic (2006-2015)
  • BMW 525xi (2006-2007)
  • BMW 530xi (2006-2007)
  • BMW 525i (2006-2007)
  • BMW 530i (2006-2007)
  • BMW 325i (2006)
  • BMW 330i (2006)
  • Toyota Tacoma (2005-2015)
  • Toyota Tundra (2005-2021)
  • Toyota Avalon (2005-2018)
  • Toyota 4Runner (2003-2013)
  • Subaru Outback (2001-2004, 2010-2019)

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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