Resistor Spark Plug — 19.1 mm reach, 12 mm thread, 16 mm hex, heat range 7

NGK SPARK PLUGS Resistor Spark Plug — 19.1 mm reach, 12 mm thread, 16 mm hex, heat range 7 – 04-18 Sportster

NGK SPARK PLUGS
2103-0356
6651
Resistor spark plug with wide heat range to reduce fouling and preignition; high-alumina ceramic, copper core, nickel-alloy tip.
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Designed for serious performance, this resistor spark plug delivers reliable ignition across a wide range of conditions. ⚡

Versatile heat ranges help prevent fouling from running too cool and reduce preignition when running hot.

  • High-alumina ceramic improves heat dissipation and electrical insulation.
  • Deep-seated copper core broadens the operating range.
  • Durable nickel-alloy tip extends service life. 🔧
: 2103-0356
In Stock

Data sheet

Type
Resistor Type
Units
Each
Brand
NGK SPARK PLUGS
Thread Size
12 mm
Electrical Resistance
5k Ohms
Electrode Tip Material
Nickel Alloy
Ground Electrode Configuration
Single
Heat Range
7
Hex Size
16 mm (5/8")
Thread Reach
19,1 mm (3/4")
Harley Family
Sportster

This product fits the following vehicles. Use the filters below to narrow down the list if needed.

Manufacturer Model Family Year Notes
Harley Davidson Sportster Custom Sportster 2004
Harley Davidson Sportster Custom Sportster 2005
Harley Davidson Low Sportster 2005
Harley Davidson Low Sportster 2006
Harley Davidson Low Sportster 2007
Harley Davidson Low Sportster 2008
Harley Davidson Low Sportster 2009
Harley Davidson Low Sportster 2010
Harley Davidson Super Low Sportster 2011
Harley Davidson Super Low Sportster 2012
Harley Davidson Super Low Sportster 2013
Harley Davidson Super Low Sportster 2014
Harley Davidson Super Low Sportster 2015
Harley Davidson Super Low Sportster 2016
Harley Davidson Super Low Sportster 2017
Harley Davidson Sportster SuperLow Sportster 2018
Harley Davidson Super Low Sportster 2014
Harley Davidson Super Low Sportster 2015
Harley Davidson Super Low Sportster 2016
Harley Davidson Super Low Sportster 2017
Harley Davidson Sportster SuperLow Sportster 2018
Harley Davidson Iron Sportster 2009
Harley Davidson Iron Sportster 2010
Harley Davidson Iron Sportster 2011
Harley Davidson Iron Sportster 2012
Harley Davidson Iron Sportster 2013
Harley Davidson Iron Sportster 2014
Harley Davidson Iron Sportster 2015
Harley Davidson Iron Sportster 2016
Harley Davidson Iron Sportster 2017
Harley Davidson Sportster Iron Sportster 2018
Harley Davidson Iron Sportster 2014
Harley Davidson Iron Sportster 2015
Harley Davidson Iron Sportster 2016
Harley Davidson Iron Sportster 2017
Harley Davidson Sportster Iron Sportster 2018