1-800-345-4545
FREE SHIPPING!
Orders Over $95
Same Day Shipping Before 11 PM ET
0
My Cart
$0.00
Free Shipping on Orders Over $95
Shop By Vehicle
Shop By
Category
All Categories

Rebates
Gift Certificates
My Account
E-Mail Signup
Catalog Request
Help

NGK Spark Plugs TR55IX

Iridium IX Spark Plug 14mm x .708" Reach

NGK Spark Plugs TR55IX

739-TR55IX

jegs shipping
Ships
NGK Spark Plugs TR55IX Iridium IX Spark Plug 14mm x .708" Reach $7.99
Iridium IX Spark Plug
  • 14mm x .708" Reach
  • 5/8" Hex
  • Projected
  • Tapered seat
  • .059" Gap
  • Sold Individually

  • Specifications:

    Manufacturer's Part Number:
    TR55IX

    The Plug for Serious Enthusiasts
    Iridium has a very high melting point that's perfect for high-performance, high-tech engines. It is stronger than any other metal used in spark plugs.

  • Ultra-fine electrode (thin enough for spark consistency & accuracy, thick enough for max durability & longevity)
  • Reduces spark voltage requirement
  • Fuel efficiency & extreme ignitability
  • Improved throttle response
  • Outstanding acceleration
  • Superior antifouling, anticorrosion, and antiseizing properties
  • Quality NGK Spark Plugs
  • Sold individually

  • Does NGK Spark Plugs TR55IX fit your vehicle?

    Narrow Results
    Filter By
    Year
    Filter By
    Make
    Filter By
    Model
    Filter By
    SubModel
    Filter By
    EngineType
    Filter By
    CC
    Filter By
    Liter

    1998-2000 GMC S15 JIMMY

    • EngineType: ALL
    • SubModel: SLT

    2006-2010 FORD E-450 SUPER DUTY

    • Liter: 5.4
    • SubModel: BASE
    • CUI: 330
    • EngineType: V8 ( 5.4 L / 330 )

    2005 CHEVROLET UPLANDER

    • EngineType: ALL
    • SubModel: ALL

    1994-1996 CHEVROLET CORSICA

    • Liter: 3.1
    • SubModel: BASE
    • CUI: 189
    • EngineType: V6 ( 3.1 L / 189 )

    1999-2004 FORD F-350 SUPER DUTY

    • Liter: 6.8
    • SubModel: XLT
    • CUI: 415
    • EngineType: V10 ( 6.8 L / 415 )

    1996-1999 CHEVROLET K2500 SUBURBAN

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1990-1994 FORD AEROSTAR

    • EngineType: ALL
    • SubModel: EDDIE BAUER E4WD

    1997-1999 FORD F-250

    • Liter: 4.6
    • SubModel: BASE
    • CUI: 281
    • EngineType: V8 ( 4.6 L / 281 )

    2003-2004 MERCURY MARAUDER

    • EngineType: ALL
    • SubModel: ALL

    1999-2000 CHEVROLET C3500 PICKUP

    • Liter: 7.4
    • SubModel: LS
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1992-1996 CHEVROLET CORVETTE

    • EngineType: ALL
    • SubModel: ALL

    1995 CHEVROLET G30 VAN

    • Liter: 5.7
    • SubModel: HI-CUBE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1999-2000 CHEVROLET K3500 PICKUP

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1999-2000 BUICK REGAL

    • EngineType: ALL
    • SubModel: LS

    1999 BUICK LESABRE

    • EngineType: ALL
    • SubModel: LIMITED

    2001-2006 GMC YUKON XL 2500

    • CC: 8128
    • Liter: 8.1
    • SubModel: SLT
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    1994-1996 BUICK CENTURY

    • Liter: 3.1
    • SubModel: SPECIAL
    • CUI: 189
    • EngineType: V6 ( 3.1 L / 189 )

    2008-2009 GMC C5500 TOPKICK

    • CC: 8128
    • Liter: 8.1
    • SubModel: C5E044
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    1993-1996 FORD RANGER

    • Liter: 4.0
    • SubModel: SPLASH
    • CUI: 245
    • EngineType: V6 ( 4.0 L / 245 )

    1991-2005 FORD EXPLORER

    • EngineType: ALL
    • SubModel: EDDIE BAUER

    1998 FORD E-350 ECONOLINE

    • Liter: 5.4
    • SubModel: XL
    • CUI: 330
    • EngineType: V8 ( 5.4 L / 330 )

    1997 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: Z28 SS 30TH ANNIVERSARY EDITION

    1996 GMC K3500 PICKUP

    • Liter: 7.4
    • SubModel: SIERRA XC
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    2001-2002 GMC SAVANA 2500

    • Liter: 5.0
    • SubModel: SLT
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    2006-2008 FORD ESCAPE

    • EngineType: ALL
    • SubModel: ALL

    2003 FORD EXPLORER

    • EngineType: ALL
    • SubModel: SPORT XLS

    1990 BUICK ELECTRA

    • EngineType: ALL
    • SubModel: ALL

    1992-1993 CADILLAC COMMERCIAL CHASSIS

    • EngineType: ALL
    • SubModel: BASE

    2009 FORD RANGER

    • Liter: 2.3
    • SubModel: SPORT
    • CUI: 140
    • EngineType: L4 ( 2.3 L / 140 )

    1994-1998 BUICK SKYLARK

    • Liter: 3.1
    • SubModel: CUSTOM
    • CUI: 189
    • EngineType: V6 ( 3.1 L / 189 )

    1999-2005 CHEVROLET SILVERADO 1500

    • Liter: 4.3
    • SubModel: LT
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1988-1989 BUICK RIVIERA

    • EngineType: ALL
    • SubModel: T-TYPE

    2008 CHEVROLET C5500 KODIAK

    • CC: 8128
    • Liter: 8.1
    • SubModel: C5E042
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    1999 OLDSMOBILE 88

    • EngineType: ALL
    • SubModel: 50TH ANNIVERSARY EDITION

    2008-2011 FORD RANGER

    • EngineType: ALL
    • SubModel: BASE

    2002-2005 GMC SIERRA 3500

    • CC: 8128
    • Liter: 8.1
    • SubModel: BASE
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    1991-1993 BUICK CENTURY

    • Liter: 3.3
    • SubModel: SPECIAL
    • CUI: 204
    • EngineType: V6 ( 3.3 L / 204 )

    1996-2002 CHEVROLET EXPRESS 2500

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1982-1985 CADILLAC DEVILLE

    • Liter: 4.1
    • SubModel: CABRIOLET
    • CUI: 250
    • EngineType: V8 ( 4.1 L / 250 )

    2003 FORD E-450 SUPER DUTY

    • Liter: 5.4
    • SubModel: CUSTOM
    • CUI: 330
    • EngineType: V8 ( 5.4 L / 330 )

    1996 BUICK ROADMASTER

    • EngineType: ALL
    • SubModel: LIMITED COLLECTORS EDITION

    1999-2004 FORD F-350 SUPER DUTY

    • Liter: 6.8
    • SubModel: XL
    • CUI: 415
    • EngineType: V10 ( 6.8 L / 415 )

    1992-1993 PONTIAC GRAND AM

    • Liter: 3.3
    • SubModel: SE
    • CUI: 204
    • EngineType: V6 ( 3.3 L / 204 )

    1991-1998 BUICK LESABRE

    • EngineType: ALL
    • SubModel: ALL

    1998-2004 OLDSMOBILE SILHOUETTE

    • EngineType: ALL
    • SubModel: PREMIERE

    2004 CHEVROLET MALIBU

    • EngineType: ALL
    • SubModel: MAXX

    1990-1997 FORD AEROSTAR

    • EngineType: ALL
    • SubModel: XLT 4WD

    2003 CHEVROLET S10 PICKUP

    • Liter: 4.3
    • SubModel: ZR5
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1982-1985 CADILLAC ELDORADO

    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: V8 ( 4.1 L / 250 )

    1998-1999 GMC YUKON

    • EngineType: ALL
    • SubModel: SLT

    1994 CHEVROLET BERETTA

    • Liter: 3.1
    • SubModel: Z26
    • CUI: 189
    • EngineType: V6 ( 3.1 L / 189 )

    1986-1991 CADILLAC COMMERCIAL CHASSIS

    • EngineType: ALL
    • SubModel: ALL

    1998-2000 FORD E-150 ECONOLINE

    • Liter: 5.4
    • SubModel: XL
    • CUI: 330
    • EngineType: V8 ( 5.4 L / 330 )

    1996-2000 GMC SAVANA 2500

    • Liter: 5.0
    • SubModel: SLE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1999 OLDSMOBILE CUTLASS

    • EngineType: ALL
    • SubModel: GLS

    2004 FORD EXPEDITION

    • EngineType: ALL
    • SubModel: XLT SPORT

    1999-2002 OLDSMOBILE INTRIGUE

    • EngineType: ALL
    • SubModel: GL

    1994 CHEVROLET CAPRICE

    • EngineType: ALL
    • SubModel: CLASSIC LS

    1996-1998 CHEVROLET K2500 PICKUP

    • Liter: 5.7
    • SubModel: CHEYENNE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2008-2009 CHEVROLET EQUINOX

    • Liter: 3.4
    • SubModel: LTZ
    • CUI: 207
    • EngineType: V6 ( 3.4 L / 207 )

    1989-1993 BUICK CENTURY

    • Liter: 3.3
    • SubModel: LIMITED
    • CUI: 204
    • EngineType: V6 ( 3.3 L / 204 )

    2006 GMC SIERRA 2500 HD

    • CC: 8128
    • Liter: 8.1
    • SubModel: SLT
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    1993 CHEVROLET CAMARO

    • Liter: 5.7
    • SubModel: INDIANAPOLIS 500 PACE CAR
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2003 FORD EXPLORER

    • EngineType: ALL
    • SubModel: SPORT XLT

    1996 GMC C2500 PICKUP

    • Liter: 7.4
    • SubModel: SIERRA XC
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1992 OLDSMOBILE CUTLASS CIERA

    • EngineType: ALL
    • SubModel: S

    1998 OLDSMOBILE INTRIGUE

    • EngineType: ALL
    • SubModel: ALL

    1990-1991 FORD TEMPO

    • EngineType: ALL
    • SubModel: LX AWD

    1988-1990 BUICK LESABRE

    • EngineType: ALL
    • SubModel: CUSTOM

    2005 BUICK RENDEZVOUS

    • EngineType: ALL
    • SubModel: CXL

    1992-1993 CHEVROLET K2500 PICKUP

    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2008-2009 CADILLAC XLR

    • EngineType: ALL
    • SubModel: PLATINUM

    2005 FORD EXPLORER SPORT TRAC

    • EngineType: ALL
    • SubModel: ADRENALIN

    2004-2005 FORD FREESTAR

    • EngineType: ALL
    • SubModel: SE

    1990-1994 FORD AEROSTAR

    • EngineType: ALL
    • SubModel: XL PLUS 4WD

    1992 MERCURY TOPAZ

    • Liter: 2.3
    • SubModel: XR5
    • CUI: 140
    • EngineType: L4 ( 2.3 L / 140 )

    1987-1996 CADILLAC DEVILLE

    • EngineType: ALL
    • SubModel: ALL

    2005-2007 FORD FREESTYLE

    • EngineType: ALL
    • SubModel: ALL

    1999 CHEVROLET MONTE CARLO

    • EngineType: ALL
    • SubModel: INDIANAPOLIS 500 PACE CAR

    1996-1998 CHEVROLET C3500 PICKUP

    • Liter: 5.7
    • SubModel: CHEYENNE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2003 CHEVROLET S10 PICKUP

    • Liter: 4.3
    • SubModel: BASE
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    2003 FORD F-150

    • Liter: 5.4
    • SubModel: XLT
    • CUI: 330
    • EngineType: V8 ( 5.4 L / 330 )

    1993-1999 FORD MUSTANG

    • EngineType: ALL
    • SubModel: SVT COBRA

    2002 CHEVROLET S10 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1990-1997 FORD AEROSTAR

    • EngineType: ALL
    • SubModel: XLT PLUS E4WD

    2006 GMC SIERRA 1500

    • Liter: 4.3
    • SubModel: SL
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1996 BUICK ROADMASTER

    • EngineType: ALL
    • SubModel: ESTATE WAGON COLLECTORS EDITION

    1999-2000 CHEVROLET C2500 PICKUP

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2002-2003 OLDSMOBILE ALERO

    • Liter: 3.4
    • SubModel: GL
    • CUI: 207
    • EngineType: V6 ( 3.4 L / 207 )

    1999-2000 CHEVROLET K2500 PICKUP

    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    2002-2003 PONTIAC GRAND AM

    • Liter: 3.4
    • SubModel: GT
    • CUI: 207
    • EngineType: V6 ( 3.4 L / 207 )

    1998 CHEVROLET S10 PICKUP

    • EngineType: ALL
    • SubModel: LS

    2005-2008 FORD F-150

    • Liter: 4.6
    • SubModel: STX
    • CUI: 281
    • EngineType: V8 ( 4.6 L / 281 )

    1996-1998 CHEVROLET C2500 PICKUP

    • Liter: 5.7
    • SubModel: CHEYENNE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2003-2004 FORD F-350 SUPER DUTY

    • Liter: 6.8
    • SubModel: KING RANCH
    • CUI: 415
    • EngineType: V10 ( 6.8 L / 415 )

    1998-2003 FORD E-150 ECONOLINE

    • Liter: 4.6
    • SubModel: BASE
    • CUI: 281
    • EngineType: V8 ( 4.6 L / 281 )

    2000-2001 CHEVROLET BLAZER

    • Liter: 4.3
    • SubModel: LT
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1990-1996 FORD RANGER

    • Liter: 4.0
    • SubModel: STX
    • CUI: 245
    • EngineType: V6 ( 4.0 L / 245 )

    1999-2001 CHEVROLET S10 PICKUP

    • Liter: 4.3
    • SubModel: LS
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1993 OLDSMOBILE CUTLASS CIERA

    • Liter: 3.3
    • SubModel: S
    • CUI: 204
    • EngineType: V6 ( 3.3 L / 204 )
    Items You Need