Filters

  • In Stock
  • Universal
  • Make/Model
  • Make/Engine
  • Spark Plug Thread Size
  • Spark Plug Reach (in.)
  • Spark Plug Reach (mm)
  • Manufacturer Heat Range
  • Resistor
  • Center Electrode Type
  • Spark Plug Seat Style
  • Wrench Diameter
  • Filter Options

Selected Filters

Filter Results by Vehicle

Loading...

Availability

  • Filters

  • Universal
  • Make/Model
  • Make/Engine
  • Spark Plug Thread Size
  • Spark Plug Reach (in.)
  • Spark Plug Reach (mm)
  • Manufacturer Heat Range
  • Resistor
  • Center Electrode Type
  • Spark Plug Seat Style
  • Wrench Diameter
  • Filter Options
NGK Spark Plugs

NGK Iridium IX Spark Plugs

4.86 out of 5 stars 252 Customer Reviews

NGK Iridium IX spark plugs feature an ultra-fine center electrode that's designed just thick enough to ensure the maximum durability and life of the spark plugs—and just thin enough to create an accurate and consistent spark. They represent the ultimate evolution of spark plug technology and performance. Iridium is the hardest metal used in spark plugs today—six times harder than platinum. This allowed NGK engineers to reduce the voltage requirement for a spark. Iridium IX plugs are available in more than a hundred configurations for universal and vehicle-specific applications.

Showing In Stock Items. Show All 39 Items.

Results 1 - 22 of 22

NGK Iridium IX Spark Plugs TR6IX

NGK Iridium IX Spark Plugs TR6IX

NGK Iridium IX Spark Plugs TR6IX

Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .708 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-3689

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

NGK Iridium IX Spark Plugs TR55IX

NGK Iridium IX Spark Plugs TR55IX

NGK Iridium IX Spark Plugs TR55IX

Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .708 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-7164

4.97 out of 5 stars ( 29 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

NGK Iridium IX Spark Plugs BKR5EIX-11

NGK Iridium IX Spark Plugs BKR5EIX-11

NGK Iridium IX Spark Plugs BKR5EIX-11

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-5464

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

NGK Iridium IX Spark Plugs BKR6EIX

NGK Iridium IX Spark Plugs BKR6EIX

NGK Iridium IX Spark Plugs BKR6EIX

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-6418

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

NGK Iridium IX Spark Plugs BKR6EIX-11

NGK Iridium IX Spark Plugs BKR6EIX-11

NGK Iridium IX Spark Plugs BKR6EIX-11

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-3764

4.8 out of 5 stars ( 10 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

NGK Iridium IX Spark Plugs BPR6EIX

NGK Iridium IX Spark Plugs BPR6EIX

NGK Iridium IX Spark Plugs BPR6EIX

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-6637

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

NGK Iridium IX Spark Plugs BR8EIX

NGK Iridium IX Spark Plugs BR8EIX

NGK Iridium IX Spark Plugs BR8EIX

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .750 in. Reach, Resistor, Each

Part Number: NGK-5044

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

NGK Iridium IX Spark Plugs CR9EIX

NGK Iridium IX Spark Plugs CR9EIX

NGK Iridium IX Spark Plugs CR9EIX

Spark Plug, Iridium IX, Gasket Seat, 10mm Thread, .750 in. Reach, Resistor, Each

Part Number: NGK-3521

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

NGK Iridium IX Spark Plugs GR4IX

NGK Iridium IX Spark Plugs GR4IX

NGK Iridium IX Spark Plugs GR4IX

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .750 in. Reach, Resistor, Each

Part Number: NGK-97382

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

NGK Iridium IX Spark Plugs BKR5EIX

NGK Iridium IX Spark Plugs BKR5EIX

NGK Iridium IX Spark Plugs BKR5EIX

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-6341

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

NGK Iridium IX Spark Plugs ZFR6FIX-11

NGK Iridium IX Spark Plugs ZFR6FIX-11

NGK Iridium IX Spark Plugs ZFR6FIX-11

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-6441

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

NGK Iridium IX Spark Plugs BPR7EIX

NGK Iridium IX Spark Plugs BPR7EIX

NGK Iridium IX Spark Plugs BPR7EIX

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-4055

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

NGK Iridium IX Spark Plugs BR8EIX SOLID

NGK Iridium IX Spark Plugs BR8EIX SOLID

NGK Iridium IX Spark Plugs BR8EIX SOLID

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .750 in. Reach, Resistor, Each

Part Number: NGK-6747

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

NGK Iridium IX Spark Plugs BR7EIX

NGK Iridium IX Spark Plugs BR7EIX

NGK Iridium IX Spark Plugs BR7EIX

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .750 in. Reach, Resistor, Each

Part Number: NGK-6664

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

NGK Iridium IX Spark Plugs BR9EIX

NGK Iridium IX Spark Plugs BR9EIX

NGK Iridium IX Spark Plugs BR9EIX

Spark Plug, IX Iridium, 14mm Thread, .750 in. Reach, 13/16 in. Hex, Gasket Seat, Resistor, Each

Part Number: NGK-3981

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

NGK Iridium IX Spark Plugs GR5IX

NGK Iridium IX Spark Plugs GR5IX

NGK Iridium IX Spark Plugs GR5IX

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-7214

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

NGK Iridium IX Spark Plugs CR10EIX

NGK Iridium IX Spark Plugs CR10EIX

NGK Iridium IX Spark Plugs CR10EIX

Spark Plug, Gasket Seat, 10mm Thread, .750 in. Reach, Resistor, Each

Part Number: NGK-6482

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

NGK Iridium IX Spark Plugs BR10EIX

NGK Iridium IX Spark Plugs BR10EIX

NGK Iridium IX Spark Plugs BR10EIX

Spark Plug, IX Iridium, 14mm Thread, .750 in. Reach, 13/16 in. Hex, Gasket Seat, Resistor, Each

Part Number: NGK-6801

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

NGK Iridium IX Spark Plugs BR7HIX

NGK Iridium IX Spark Plugs BR7HIX

NGK Iridium IX Spark Plugs BR7HIX

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .500 in. Reach, Resistor, Each

Part Number: NGK-7067

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

NGK Iridium IX Spark Plugs CR7EIX

NGK Iridium IX Spark Plugs CR7EIX

NGK Iridium IX Spark Plugs CR7EIX

Spark Plug, Iridium IX, Gasket Seat, 10mm Thread, .750 in. Reach, Resistor, Each

Part Number: NGK-7385

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

NGK Iridium IX Spark Plugs CR7HIX

NGK Iridium IX Spark Plugs CR7HIX

NGK Iridium IX Spark Plugs CR7HIX

Spark Plug, IX Iridium, 10mm Thread, .500 in. Reach, 5/8 in. Hex, Resistor, Each

Part Number: NGK-7544

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

NGK Iridium IX Spark Plugs BPR6HIX

NGK Iridium IX Spark Plugs BPR6HIX

NGK Iridium IX Spark Plugs BPR6HIX

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .500 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-4085

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

  • 1
  • Page 1 of 1