Specifications:

  • NGK Laser Iridium Spark Plugs
  • Comes as a SET of 8
  • Stock #: 4589
  • Part #: IFR6T11
  • Laser welded Iridium center electrode tip
  • Platinum disc welded to backside of ground electrode provides long life
  • Trivalent Metal Plating for superior anti-corrosion and anti-seizing
  • Original Equipment Manufacturer approved design

Our electrical and electronic parts are subject to strict quality control testing.  Once the item has been installed or plugged in, it is no longer eligible for a refund.  The item may be eligible for replacement, only if it is found to have a manufacturing defect. Before purchasing, please ensure proper diagnosis of the failed original part is performed

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser. Please keep your invoice for proof of this warranty.

  1. step : Remove the plugs and wires (1:34)
    • Do one plug at a time to prevent incorrect reassembly.
    • Unplug the wire
    • Use your spark plug socket, ratchet and extension to remove the spark plug.
    • Use an extendable magnet to help retrieve the plug.
  2. step : Replace the plug and wire (3:05)
    • Plug in a new wire
    • Check the label on the hood for the plug diode gap.
    • Use a spark plug socket to put your spark plug in.
    • Plug in the second end of the spark plug wire to your spark plug.
    • Repeat with the other plugs and wires one at a time.

Tools needed for replacement:

    Ratchets & Related

  • Ratchet
  • Socket Extensions

  • Sockets - SAE

  • 5/8 Inch Spark Plug Socket

5.0 / 5.0
1 Review
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They work fine.
Just installed in my 2006 Sequoia, no issues, seem to work the same as the originals.
August 4, 2017
Purchased
11 months ago
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Vehicle Fit

  • 1998-2000 Lexus GS400 Spark Plug 8 Piece Set V8 4.0L NGK 4589
  • 2001-2007 Lexus GS430 Spark Plug 8 Piece Set V8 4.3L NGK 4589
  • 2003-2009 Lexus GX470 Spark Plug 8 Piece Set V8 4.7L NGK 4589
  • 1990-2000 Lexus LS400 Spark Plug 8 Piece Set V8 4.0L NGK 4589
  • 2001-2006 Lexus LS430 Spark Plug 8 Piece Set V8 4.3L NGK 4589
  • 1998-2007 Lexus LX470 Spark Plug 8 Piece Set V8 4.7L NGK 4589
  • 1992-2000 Lexus SC400 Spark Plug 8 Piece Set V8 4.0L NGK 4589
  • 2002-2010 Lexus SC430 Spark Plug 8 Piece Set V8 4.3L NGK 4589
  • 2002-2009 Toyota 4Runner Spark Plug 8 Piece Set V8 4.7L NGK 4589
  • 1998-2006 Toyota Land Cruiser Spark Plug 8 Piece Set V8 4.7L NGK 4589
  • 2001-2008 Toyota Sequoia Spark Plug 8 Piece Set V8 4.7L NGK 4589
  • 2009 Toyota Sequoia Spark Plug 8 Piece Set V8 4.7L (Built Before 4/99 Production Date) NGK 4589
  • 2008-2009 Toyota Tundra Spark Plug 8 Piece Set V8 4.7L NGK 4589

This part replaces:

  • NGK 4589
Part #: NGETK00005

NGK
Brand #: 4589

How-to Video:

(05:28 min)