NGK SPARK PLUGS part description

LFR5AIX-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

Stock Number 4469
Part Number LFR5AIX-11
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 5
Seat Type Flat
Reach 26.5 MM
Thread Diameter 14.00 MM
Short Style Spark Plug No
Service Number LFR5AIX-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 00087295144695
VMRS Code 033003005
UNSPSC 26101732

Part Interchanges

Fits Vehicles

  • Jeep Wagoneer (2022-2023)
  • Jeep Grand Cherokee L (2021-2024)
  • Ram 1500 Classic (2019-2024)
  • Jeep Compass (2017-2022)
  • Toyota Venza (2009-2016)
  • Nissan Pathfinder Armada (2004)
  • Fiat 500X (2016-2018)
  • Ram ProMaster City (2015-2022)
  • Jeep Renegade (2015-2021)
  • Chrysler 200 (2015-2017)
  • Ram 5500 (2014-2024)
  • Ram 4500 (2014-2024)
  • Mitsubishi Mirage (2014-2015)
  • Jeep Cherokee (2014-2023)
  • Kia Forte Koup (2010-2013)
  • Toyota Tundra (2013-2014)
  • Toyota 4Runner (2013-2024)
  • Toyota FJ Cruiser (2013-2014)
  • Dodge Dart (2013-2016)
  • Kia Forte5 (2012-2013)
  • Suzuki SX4 Crossover (2012)
  • Nissan NV3500 (2012-2021)
  • Nissan NV2500 (2012-2021)
  • Nissan NV1500 (2012-2021)
  • Ram 3500 (2011-2024)
  • Ram 2500 (2011-2024)
  • Ram 1500 (2011-2024)
  • Ram Dakota (2011)
  • Hyundai Equus (2011)
  • Kia Sportage (2011-2013)
  • Scion tC (2011-2016)
  • Toyota Sienna (2011-2013)
  • Kia Sorento (2011-2013)
  • Hyundai Tucson (2010-2013)
  • Suzuki SX4 (2010-2013)
  • Kia Forte (2010-2013)
  • Toyota Camry (2010-2017)
  • Suzuki Equator (2009-2012)
  • Dodge Ram 3500 (2009)
  • Dodge Ram 2500 (2009-2010)
  • Toyota Highlander (2009-2019)
  • Kia Borrego (2009-2011)
  • Dodge Charger (2009-2023)
  • Dodge Challenger (2009-2023)
  • Chrysler 300 (2009-2023)
  • Toyota RAV4 (2009-2018)
  • Hyundai Genesis (2009-2012)
  • Hyundai Sonata (2009-2010)
  • Dodge Dakota (2008-2010)
  • Jeep Commander (2008-2010)
  • Jeep Grand Cherokee (2008-2024)
  • Dodge Ram 1500 (2008-2010)
  • Dodge Durango (2008-2009, 2011-2024)
  • Chrysler Aspen (2008-2009)
  • Kia Magentis (2007-2010)
  • Kia Rondo (2007-2012)
  • Hyundai Santa Fe (2007-2012)
  • Nissan X-Trail (2005-2006)
  • Kia Optima (2006-2010)
  • INFINITI M35 (2006-2008)
  • Nissan Armada (2005-2015)
  • Nissan Frontier (2005-2019)
  • Nissan Xterra (2005-2015)
  • INFINITI QX56 (2004-2010)
  • Nissan TITAN (2004-2015)
  • Nissan Quest (2004-2009)
  • INFINITI FX45 (2003-2008)
  • INFINITI FX35 (2003-2008)
  • Nissan Sentra (2000-2006)
  • INFINITI QX4 (2001-2003)
  • INFINITI Q45 (2002-2006)
  • Nissan Pathfinder (2001-2012)
  • Nissan Murano (2003-2007)
  • Nissan Maxima (2002-2008)
  • INFINITI M45 (2003-2004, 2006-2010)
  • INFINITI I35 (2002-2004)
  • INFINITI G35 (2003-2007)
  • Nissan Altima (2002-2006)
  • Nissan 350Z (2003-2006)

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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