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2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997 Ford F-150 Spark Plug
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1997 - 2010 Ford F-150 Spark Plug (NGK) NEW

$ 14 .32
120-DayReturns
LifetimeWarranty
100%Money-Back

Product Notes Read before buying

⚠️ Most jobs typically require 8 of this item.
Gap 0.060"
Iridium IX Spark Plug
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.
Brand: NGK
Condition: New
See Other Ford F-150 Spark Plugs
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Specifications & Info


Attribute Value
Center Electrode Core Material Copper
Center Electrode Design Fine Wire
Center Electrode Insulator Tip Projection 0.16, 4.0
Center Electrode Projection Mid Projection
Center Electrode Tip Material Iridium
Electrical Terminal Type Non-removable Nut
Grade Type Performance
Ground Configuration J-gap
Ground Electrode Core Material Nickel
Ground Electrode Quantity 1
Ground Electrode Tip Design Taper Cut
Ground Electrode Tip Material Nickel
Hex Size 5/8" (16mm)
Insulator Height 2.07, 52.5
Insulator Material Ceramic
Manufacturer Heat Range 5
Material Grade Iridium
Part Number Tr55ix
Pre Gap Size .060, 1.5
Reach 0.689, 17.5
Resistance 5000.0
Resistor Type Yes
Seat Type Tapered
Service Number Tr55ix
Short Style Spark Plug No
Skirt No
Skirt Length 0.0
Stock Number 7164
Thread Diameter 0.551, 14.0
Washer Included No

Vehicle Fitment Guide

This part fits the following vehicles:

Ford 1 model (tapclick to expand)(tapclick to hide)
F-150 1997-2010 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Austera Standard Cab Pickup 1998 - 1999 V6 4.2L RWD Automatic & Manual
Base Extended Cab Pickup 2000 V8 5.4L CNG RWD/4WD Automatic & Manual
Base Extended Cab Pickup 1999 - 2000 V6 4.2L RWD/4WD Automatic & Manual
Base Extended Cab Pickup 1999 - 2000 V8 4.6L RWD/4WD Automatic & Manual
Base Extended Cab Pickup 1999 - 2000 V8 5.4L RWD/4WD Automatic & Manual
Base Extended Cab Pickup 1999 - 2000 V8 5.4L BI-FUEL RWD/4WD Automatic & Manual
Base Extended Cab Pickup 1998 V8 5.4L BI-FUEL RWD/4WD Automatic & Manual
Base Extended Cab Pickup 1998 V8 5.4L CNG RWD/4WD Automatic & Manual
Base Extended Cab Pickup 1997 - 1998 V6 4.2L RWD/4WD Automatic & Manual
Base Extended Cab Pickup 1997 - 1998 V8 4.6L RWD/4WD Automatic & Manual
Base Extended Cab Pickup 1997 - 1998 V8 5.4L RWD/4WD Automatic & Manual
Base Standard Cab Pickup 1998 - 2000 V8 5.4L BI-FUEL RWD/4WD Automatic & Manual
Base Standard Cab Pickup 1998, 2000 V8 5.4L CNG RWD/4WD Automatic & Manual
Base Standard Cab Pickup 1997 - 2000 V6 4.2L RWD/4WD Automatic & Manual
Base Standard Cab Pickup 1997 - 2000 V8 4.6L RWD/4WD Automatic & Manual
Base Standard Cab Pickup 1997 - 2000 V8 5.4L RWD/4WD Automatic & Manual
FX2 Crew Cab Pickup 2008, 2010 V8 4.6L RWD Automatic
FX2 Crew Cab Pickup 2007 - 2008 V8 5.4L RWD Automatic
FX2 Crew Cab Pickup 2007 - 2008, 2010 V8 5.4L FLEX RWD Automatic
FX2 Extended Cab Pickup 2008, 2010 V8 4.6L RWD Automatic
FX2 Extended Cab Pickup 2007 - 2008 V8 5.4L RWD Automatic
FX2 Extended Cab Pickup 2007 - 2008, 2010 V8 5.4L FLEX RWD Automatic
FX2 Standard Cab Pickup 2008 V8 4.6L RWD Automatic
FX2 Standard Cab Pickup 2008 V8 5.4L RWD Automatic
FX2 Standard Cab Pickup 2008 V8 5.4L FLEX RWD Automatic
FX4 Crew Cab Pickup 2006 - 2010 V8 5.4L FLEX 4WD Automatic
FX4 Crew Cab Pickup 2004 - 2008 V8 5.4L 4WD Automatic
FX4 Extended Cab Pickup 2006 - 2010 V8 5.4L FLEX 4WD Automatic
FX4 Extended Cab Pickup 2005 V8 5.4L 4WD Automatic
FX4 Extended Cab Pickup 2004 - 2008 V8 5.4L 4WD Automatic
FX4 Standard Cab Pickup 2006 - 2008 V8 5.4L FLEX 4WD Automatic
FX4 Standard Cab Pickup 2004 - 2008 V8 5.4L 4WD Automatic
Flotillera Standard Cab Pickup 2004 - 2009 V6 4.2L RWD Automatic & Manual
Harley-Davidson Edition Crew Cab Pickup 2010 V8 5.4L FLEX AWD Automatic
Harley-Davidson Edition Crew Cab Pickup 2008 V8 5.4L FLEX 4WD Automatic
Harley-Davidson Edition Crew Cab Pickup 2008, 2010 V8 5.4L FLEX RWD Automatic
Harley-Davidson Edition Crew Cab Pickup 2007 - 2008 V8 5.4L 4WD Automatic
Harley-Davidson Edition Crew Cab Pickup 2002 - 2003 V8 5.4L Supercharged RWD Automatic
Harley-Davidson Edition Crew Cab Pickup 2001, 2007 - 2008 V8 5.4L RWD Automatic
Harley-Davidson Edition Extended Cab Pickup 2006 V8 5.4L 4WD Automatic
Harley-Davidson Edition Extended Cab Pickup 2006 V8 5.4L FLEX RWD/4WD Automatic
Harley-Davidson Edition Extended Cab Pickup 2000, 2006 V8 5.4L RWD Automatic
King Ranch Crew Cab Pickup 2006 - 2010 V8 5.4L FLEX RWD/4WD Automatic
King Ranch Crew Cab Pickup 2001 - 2003 V8 4.6L RWD/4WD Automatic
King Ranch Crew Cab Pickup 2001 - 2003, 2005 - 2008 V8 5.4L RWD/4WD Automatic
King Ranch Crew Cab Pickup 2001 - 2003 V8 5.4L BI-FUEL RWD/4WD Automatic
King Ranch Crew Cab Pickup 2001 - 2003 V8 5.4L CNG RWD/4WD Automatic
King Ranch Extended Cab Pickup 2002 - 2003 V8 4.6L RWD/4WD Automatic
King Ranch Extended Cab Pickup 2002 - 2003 V8 5.4L RWD/4WD Automatic
King Ranch Extended Cab Pickup 2002 - 2003 V8 5.4L BI-FUEL RWD/4WD Automatic
King Ranch Extended Cab Pickup 2002 - 2003 V8 5.4L CNG RWD/4WD Automatic
Lariat Crew Cab Pickup 2006 - 2010 V8 5.4L FLEX RWD/4WD Automatic
Lariat Crew Cab Pickup 2001 - 2003 V8 4.6L RWD/4WD Automatic
Lariat Crew Cab Pickup 2001 - 2008 V8 5.4L RWD/4WD Automatic
Lariat Crew Cab Pickup 2001 - 2003 V8 5.4L BI-FUEL RWD/4WD Automatic
Lariat Crew Cab Pickup 2001 - 2003 V8 5.4L CNG RWD/4WD Automatic
Lariat Extended Cab Pickup 2006 - 2010 V8 5.4L FLEX RWD/4WD Automatic
Lariat Extended Cab Pickup 2000 - 2003 V8 5.4L CNG RWD/4WD Automatic
Lariat Extended Cab Pickup 1999 - 2003 V8 4.6L RWD/4WD Automatic
Lariat Extended Cab Pickup 1999 - 2008 V8 5.4L RWD/4WD Automatic
Lariat Extended Cab Pickup 1999 - 2003 V8 5.4L BI-FUEL RWD/4WD Automatic
Lariat Extended Cab Pickup 1998 V8 5.4L BI-FUEL RWD/4WD Automatic & Manual
Lariat Extended Cab Pickup 1998 V8 5.4L CNG RWD/4WD Automatic & Manual
Lariat Extended Cab Pickup 1997 - 1998 V8 4.6L RWD/4WD Automatic & Manual
Lariat Extended Cab Pickup 1997 - 1998, 2005 V8 5.4L RWD/4WD Automatic
Lariat Extended Cab Pickup 1997 - 1998 V8 5.4L RWD/4WD Manual
Lariat Standard Cab Pickup 1998 - 2001 V8 5.4L BI-FUEL RWD/4WD Automatic
Lariat Standard Cab Pickup 1998 V8 5.4L BI-FUEL RWD/4WD Manual
Lariat Standard Cab Pickup 1998, 2000 - 2001 V8 5.4L CNG RWD/4WD Automatic
Lariat Standard Cab Pickup 1998 V8 5.4L CNG RWD/4WD Manual
Lariat Standard Cab Pickup 1997 - 2001 V8 4.6L RWD/4WD Automatic
Lariat Standard Cab Pickup 1997 - 1998 V8 4.6L RWD/4WD Manual
Lariat Standard Cab Pickup 1997 - 2001 V8 5.4L RWD/4WD Automatic
Lariat Standard Cab Pickup 1997 - 1998 V8 5.4L RWD/4WD Manual
Lightning Standard Cab Pickup 1999 - 2003 V8 5.4L Supercharged RWD Automatic
Limited Crew Cab Pickup 2008 V8 5.4L AWD/RWD Automatic
Limited Crew Cab Pickup 2008 V8 5.4L FLEX AWD/RWD Automatic
Platinum Crew Cab Pickup 2009 - 2010 V8 5.4L FLEX RWD/4WD Automatic
STX Crew Cab Pickup 2005 V6 4.2L RWD/4WD Automatic & Manual
STX Crew Cab Pickup 2005 V8 4.6L RWD/4WD Automatic & Manual
STX Extended Cab Pickup 2005 - 2008 V6 4.2L RWD/4WD Automatic & Manual
STX Extended Cab Pickup 2005 V6 4.2L RWD/4WD Automatic & Manual
STX Extended Cab Pickup 2005 - 2008 V8 4.6L RWD/4WD Manual
STX Extended Cab Pickup 2005 V8 4.6L RWD/4WD Automatic & Manual
STX Extended Cab Pickup 2004 - 2010 V8 4.6L RWD/4WD Automatic
STX Standard Cab Pickup 2005 - 2008 V6 4.2L RWD/4WD Automatic & Manual
STX Standard Cab Pickup 2005 - 2008 V8 4.6L RWD/4WD Manual
STX Standard Cab Pickup 2004 - 2010 V8 4.6L RWD/4WD Automatic
SVT Raptor Extended Cab Pickup 2010 V8 5.4L FLEX 4WD Automatic
SVT Raptor Extended Cab Pickup 2010 V8 6.2L 4WD Automatic
THE 60TH ANNIVERSARY EDITION Crew Cab Pickup 2008 V8 4.6L RWD/4WD Automatic & Manual
THE 60TH ANNIVERSARY EDITION Crew Cab Pickup 2008 V8 5.4L RWD/4WD Automatic & Manual
THE 60TH ANNIVERSARY EDITION Crew Cab Pickup 2008 V8 5.4L FLEX RWD/4WD Automatic & Manual
THE 60TH ANNIVERSARY EDITION Extended Cab Pickup 2008 V8 4.6L RWD/4WD Automatic & Manual
THE 60TH ANNIVERSARY EDITION Extended Cab Pickup 2008 V8 5.4L RWD/4WD Automatic & Manual
THE 60TH ANNIVERSARY EDITION Extended Cab Pickup 2008 V8 5.4L FLEX RWD/4WD Automatic & Manual
THE 60TH ANNIVERSARY EDITION Standard Cab Pickup 2008 V8 4.6L RWD/4WD Automatic & Manual
THE 60TH ANNIVERSARY EDITION Standard Cab Pickup 2008 V8 5.4L RWD/4WD Automatic & Manual
THE 60TH ANNIVERSARY EDITION Standard Cab Pickup 2008 V8 5.4L FLEX RWD/4WD Automatic & Manual
XL Crew Cab Pickup 2008 V6 4.2L RWD/4WD Automatic & Manual
XL Crew Cab Pickup 2008 - 2010 V8 4.6L RWD/4WD Automatic
XL Crew Cab Pickup 2008 V8 4.6L RWD/4WD Manual
XL Crew Cab Pickup 2008 V8 5.4L RWD/4WD Automatic & Manual
XL Crew Cab Pickup 2008 - 2010 V8 5.4L FLEX RWD/4WD Automatic
XL Crew Cab Pickup 2008 V8 5.4L FLEX RWD/4WD Manual
XL Extended Cab Pickup 2006 - 2010 V8 5.4L FLEX RWD/4WD Automatic
XL Extended Cab Pickup 2006 - 2008 V8 5.4L FLEX RWD/4WD Manual
XL Extended Cab Pickup 2000 - 2003 V8 5.4L CNG RWD/4WD Automatic & Manual
XL Extended Cab Pickup 1999 - 2003, 2005 - 2008 V6 4.2L RWD/4WD Automatic & Manual
XL Extended Cab Pickup 1999 - 2010 V8 4.6L RWD/4WD Automatic
XL Extended Cab Pickup 1999 - 2003, 2005 - 2008 V8 4.6L RWD/4WD Manual
XL Extended Cab Pickup 1999 - 2008 V8 5.4L RWD/4WD Automatic
XL Extended Cab Pickup 1999 - 2003, 2005 - 2008 V8 5.4L RWD/4WD Manual
XL Extended Cab Pickup 1999 - 2003 V8 5.4L BI-FUEL RWD/4WD Automatic & Manual
XL Extended Cab Pickup 1998 V8 5.4L BI-FUEL RWD/4WD Automatic & Manual
XL Extended Cab Pickup 1998 V8 5.4L CNG RWD/4WD Automatic & Manual
XL Extended Cab Pickup 1997 - 1998, 2005 V6 4.2L RWD/4WD Automatic & Manual
XL Extended Cab Pickup 1997 - 1998, 2005 V8 4.6L RWD/4WD Automatic & Manual
XL Extended Cab Pickup 1997 - 1998, 2005 V8 5.4L RWD/4WD Automatic & Manual
XL Standard Cab Pickup 2006 - 2010 V8 5.4L FLEX RWD/4WD Automatic
XL Standard Cab Pickup 2006 - 2008 V8 5.4L FLEX RWD/4WD Manual
XL Standard Cab Pickup 1998 - 2003 V8 5.4L BI-FUEL RWD/4WD Automatic & Manual
XL Standard Cab Pickup 1998, 2000 - 2003 V8 5.4L CNG RWD/4WD Automatic & Manual
XL Standard Cab Pickup 1997 L6 4.9L RWD Manual
XL Standard Cab Pickup 1997 - 2010 V6 4.2L RWD Automatic & Manual
XL Standard Cab Pickup 1997 - 2003, 2005 - 2008 V6 4.2L 4WD Automatic & Manual
XL Standard Cab Pickup 1997 - 2010 V8 4.6L RWD/4WD Automatic
XL Standard Cab Pickup 1997 - 2003, 2005 - 2008 V8 4.6L RWD/4WD Manual
XL Standard Cab Pickup 1997 - 2008 V8 5.4L RWD/4WD Automatic
XL Standard Cab Pickup 1997 - 2003, 2005 - 2008 V8 5.4L RWD/4WD Manual
XLT Crew Cab Pickup 2006 - 2010 V8 5.4L FLEX RWD/4WD Automatic
XLT Crew Cab Pickup 2006 - 2008 V8 5.4L FLEX RWD/4WD Manual
XLT Crew Cab Pickup 2001 - 2003, 2005 - 2008 V6 4.2L RWD/4WD Automatic & Manual
XLT Crew Cab Pickup 2001 - 2010 V8 4.6L RWD/4WD Automatic
XLT Crew Cab Pickup 2001 - 2003, 2005 - 2008 V8 4.6L RWD/4WD Manual
XLT Crew Cab Pickup 2001 - 2008 V8 5.4L RWD/4WD Automatic
XLT Crew Cab Pickup 2001 - 2003, 2005 - 2008 V8 5.4L RWD/4WD Manual
XLT Crew Cab Pickup 2001 - 2003 V8 5.4L BI-FUEL RWD/4WD Automatic & Manual
XLT Crew Cab Pickup 2001 - 2003 V8 5.4L CNG RWD/4WD Automatic & Manual
XLT Extended Cab Pickup 2006 - 2010 V8 5.4L FLEX RWD/4WD Automatic
XLT Extended Cab Pickup 2006 - 2008 V8 5.4L FLEX RWD/4WD Manual
XLT Extended Cab Pickup 2000 - 2003 V8 5.4L CNG RWD/4WD Automatic & Manual
XLT Extended Cab Pickup 1999 - 2003, 2005 - 2008 V6 4.2L RWD/4WD Automatic & Manual
XLT Extended Cab Pickup 1999 - 2010 V8 4.6L RWD/4WD Automatic
XLT Extended Cab Pickup 1999 - 2003, 2005 - 2008 V8 4.6L RWD/4WD Manual
XLT Extended Cab Pickup 1999 - 2008 V8 5.4L RWD/4WD Automatic
XLT Extended Cab Pickup 1999 - 2003, 2005 - 2008 V8 5.4L RWD/4WD Manual
XLT Extended Cab Pickup 1999 - 2003 V8 5.4L BI-FUEL RWD/4WD Automatic & Manual
XLT Extended Cab Pickup 1998 V8 5.4L BI-FUEL RWD/4WD Automatic & Manual
XLT Extended Cab Pickup 1998 V8 5.4L CNG RWD/4WD Automatic & Manual
XLT Extended Cab Pickup 1997 - 1998, 2005 V6 4.2L RWD/4WD Automatic & Manual
XLT Extended Cab Pickup 1997 - 1998, 2005 V8 4.6L RWD/4WD Automatic & Manual
XLT Extended Cab Pickup 1997 - 1998, 2005 V8 5.4L RWD/4WD Automatic & Manual
XLT Standard Cab Pickup 2006 - 2010 V8 5.4L FLEX RWD/4WD Automatic
XLT Standard Cab Pickup 2006 - 2008 V8 5.4L FLEX RWD/4WD Manual
XLT Standard Cab Pickup 1998 - 2003 V8 5.4L BI-FUEL RWD/4WD Automatic & Manual
XLT Standard Cab Pickup 1998, 2000 - 2003 V8 5.4L CNG RWD/4WD Automatic & Manual
XLT Standard Cab Pickup 1997 L6 4.9L RWD Automatic & Manual
XLT Standard Cab Pickup 1997 - 2009 V6 4.2L RWD Automatic
XLT Standard Cab Pickup 1997 - 2003, 2005 - 2008 V6 4.2L RWD/4WD Automatic & Manual
XLT Standard Cab Pickup 1997 - 2010 V8 4.6L RWD/4WD Automatic
XLT Standard Cab Pickup 1997 - 2003, 2005 - 2008 V8 4.6L RWD/4WD Manual
XLT Standard Cab Pickup 1997 - 2008 V8 5.4L RWD/4WD Automatic
XLT Standard Cab Pickup 1997 - 2003, 2005 - 2008 V8 5.4L RWD/4WD Manual
XTR Crew Cab Pickup 2008 V8 4.6L RWD/4WD Automatic
XTR Crew Cab Pickup 2008 V8 5.4L RWD/4WD Automatic
XTR Crew Cab Pickup 2008 V8 5.4L FLEX RWD/4WD Automatic
XTR Extended Cab Pickup 2008 V8 4.6L RWD/4WD Automatic
XTR Extended Cab Pickup 2008 V8 5.4L RWD/4WD Automatic
XTR Extended Cab Pickup 2008 V8 5.4L FLEX RWD/4WD Automatic
Verify before ordering — please confirm your vehicle's year, make, model and sub-model specifications before placing your order. If anything is unclear, our customer service team is available to help.

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Shipping Information

We offer fast, reliable shipping on all orders:

  • Ships to all countries via US Postal Service Priority Mail.
  • Most orders ship within 1 business day.
  • Delivery time: 1-4 business days after shipment.
  • International shipping available, including APO/FPO addresses.
  • Tracking information provided for all shipments.
  • Additional handling fees may apply for oversized/overweight packages.

Lifetime Warranty

This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.

Warranty does NOT cover:

  • Shipping costs or labor expenses.
  • Installation errors.
  • Parts used for racing.
  • Commercial vehicle parts.

Returns (120 Days)

We want you to be 100% satisfied with your purchase. That's why we offer:

  • 120-Day Returns - Return any part within 120 days from date of receipt.
  • Must obtain RMA (Return Merchandise Authorization) number before returning.
  • Parts must be in original condition, uninstalled, unaltered, and in original packaging.
  • Important: Electrical parts are not returnable if unsealed.
  • Please inspect parts upon arrival and notify us within 5 days of receiving incorrect or damaged parts.
  • Refunds processed after warehouse receives return and credited to original payment method.
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.

Interchange Parts

Brand Part Number
Omnicraft QSP10

Fits Years: 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010

Fits Models: F-150

Expert Guides

A Guide to Spark Plugs for the 1998-2004 Ford F-150

Avoid common engine problems and keep your F-150 running strong by choosing the right spark plugs.

 Read Full Guide →

Related Trouble Codes (OBD-II)

16 matching guides

If your scan tool is showing one of these trouble codes, this part is a common fix. Each guide explains the code, how to diagnose it, and exactly what to replace.

↑ A single part can trigger multiple related trouble codes. Each guide is vehicle- and code-specific.
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