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NGK Spark Plugs TR55IX

Iridium IX Spark Plug 14mm x .708" Reach

NGK Spark Plugs TR55IX

739-TR55IX

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NGK Spark Plugs TR55IX Iridium IX Spark Plug 14mm x .708" Reach $6.99
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?

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    2006 BUICK TERRAZA

    • Liter: 3.5
    • SubModel: CX
    • CUI: 213
    • EngineType: V6 ( 3.5 L / 213 )

    1996-1999 GMC K2500 SUBURBAN

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

    2005-2009 BUICK ALLURE

    • EngineType: ALL
    • SubModel: CX

    1993-1995 CHEVROLET LUMINA APV

    • CC: 3800
    • Liter: 3.8
    • SubModel: LS
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1989-1991 FORD TEMPO

    • EngineType: ALL
    • SubModel: GL

    2005 FORD CROWN VICTORIA

    • EngineType: ALL
    • SubModel: LX SPORT

    1999-2000 FORD E-350 SUPER DUTY

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

    1999-2002 FORD F-150

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

    1994-1997 CHEVROLET CAMARO

    • Liter: 5.7
    • SubModel: Z28
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1999-2003 PONTIAC BONNEVILLE

    • CC: 3800
    • Liter: 3.8
    • Aspiration: N
    • SubModel: SE
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1991 MERCURY TOPAZ

    • Liter: 2.3
    • Aspiration: N
    • SubModel: GS
    • Engine Vin: X
    • CUI: 140
    • EngineType: L4 ( 2.3 L / 140 )

    1996-1997 GMC C1500 SUBURBAN

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

    1996-2003 PONTIAC GRAND PRIX

    • EngineType: ALL
    • SubModel: ALL

    2006 MAZDA MPV

    • CC: 2968
    • Liter: 3.0
    • SubModel: LX-SV
    • CUI: 181
    • EngineType: V6 ( 3.0 L / 181 )

    1990-1992 OLDSMOBILE CUTLASS CRUISER

    • EngineType: ALL
    • SubModel: SL

    2005-2009 BUICK LACROSSE

    • EngineType: ALL
    • SubModel: CX

    1990-1993 BUICK REGAL

    • CC: 3800
    • Liter: 3.8
    • SubModel: LIMITED
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    2002-2004 CHEVROLET SILVERADO 1500

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

    2006 PONTIAC G6

    • EngineType: ALL
    • SubModel: SE

    1996-1997 CHEVROLET K3500 PICKUP

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

    1996-1997 CHEVROLET K1500 SUBURBAN

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

    2004-2005 FORD EXCURSION

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

    1992-1994 FORD TEMPO

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

    2008-2009 CHEVROLET C4500 KODIAK

    • CC: 8128
    • Liter: 8.1
    • SubModel: C4C044
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    2006 GMC SIERRA 2500 HD

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

    1998-2000 GMC S15 JIMMY

    • EngineType: ALL
    • SubModel: SLE

    1995 CHEVROLET G30 VAN

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

    1982-1985 CADILLAC FLEETWOOD

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

    2007 CHEVROLET SILVERADO 2500 HD CLASSIC

    • Liter: 8.1
    • SubModel: CLASSIC LS
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    1998 MERCURY MYSTIQUE

    • EngineType: ALL
    • SubModel: LS

    2006-2009 FORD FUSION

    • CC: 2968
    • Liter: 3.0
    • SubModel: SEL
    • CUI: 181
    • EngineType: V6 ( 3.0 L / 181 )

    2005 PONTIAC GRAND AM

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

    1996-2000 GMC K3500 PICKUP

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

    1995 LINCOLN CONTINENTAL

    • EngineType: ALL
    • SubModel: SPINNAKER EDITION

    2000 FORD WINDSTAR

    • EngineType: ALL
    • SubModel: LIMITED

    1990 BUICK ELECTRA

    • EngineType: ALL
    • SubModel: ALL

    2008-2009 CHEVROLET C4500 KODIAK

    • CC: 8128
    • Liter: 8.1
    • SubModel: C4E044
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    1988-1990 BUICK LESABRE

    • EngineType: ALL
    • SubModel: BASE

    1999 BUICK LESABRE

    • EngineType: ALL
    • SubModel: CUSTOM

    2002-2003 ASTON MARTIN DB7

    • EngineType: ALL
    • SubModel: ALL

    1995 CHEVROLET MONTE CARLO

    • EngineType: ALL
    • SubModel: LS

    2006 CHEVROLET SILVERADO 2500 HD

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

    1991-1993 FORD EXPLORER

    • EngineType: ALL
    • SubModel: 4X4

    1998-2000 FORD CONTOUR

    • EngineType: ALL
    • SubModel: SVT

    1988-1990 OLDSMOBILE 98

    • EngineType: ALL
    • SubModel: REGENCY

    1996-1997 GMC K3500 PICKUP

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

    1995-1996 CHEVROLET BERETTA

    • EngineType: ALL
    • SubModel: Z26

    2008-2009 PONTIAC TORRENT

    • EngineType: ALL
    • SubModel: BASE

    1997-2002 FORD E-350 ECONOLINE CLUB WAGON

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

    2008 MERCURY GRAND MARQUIS

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

    2007 GMC SIERRA 1500 CLASSIC

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

    2005 MERCURY GRAND MARQUIS

    • EngineType: ALL
    • SubModel: ULTIMATE EDITION

    2006 CHEVROLET MALIBU

    • EngineType: ALL
    • SubModel: MAXX LTZ

    1989-1991 MERCURY TOPAZ

    • EngineType: ALL
    • SubModel: SPORT AWD

    1996-1999 OLDSMOBILE LSS

    • EngineType: ALL
    • SubModel: ALL

    1996-1999 GMC C2500 PICKUP

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

    2001-2002 GMC C3500HD

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

    2002-2005 CHEVROLET SILVERADO 3500

    • Liter: 8.1
    • SubModel: LS
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    2000 PONTIAC SUNFIRE

    • EngineType: ALL
    • SubModel: GT MILENIO

    1996-1997 CHEVROLET C3500 PICKUP

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

    2003 FORD EXPLORER

    • EngineType: ALL
    • SubModel: SPORT XLT

    1996-1997 CHEVROLET K1500 SUBURBAN

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

    2011-2013 FORD TRANSIT CONNECT

    • EngineType: ALL
    • SubModel: XLT

    1996-1998 FORD WINDSTAR

    • Liter: 3.8
    • SubModel: GL
    • CUI: 232
    • EngineType: V6 ( 3.8 L / 232 )

    2005 FORD ESCAPE

    • EngineType: ALL
    • SubModel: XLT NO BOUNDARIES

    1999-2000 FORD WINDSTAR

    • Liter: 3.8
    • SubModel: SE
    • CUI: 232
    • EngineType: V6 ( 3.8 L / 232 )

    1996-1997 CHEVROLET TAHOE

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

    2006-2007 MAZDA 5

    • CC: 2260
    • Liter: 2.3
    • SubModel: TOURING
    • EngineType: L4 ( 2.3 L / 2260 CC )

    1989-1990 MERCURY TOPAZ

    • EngineType: ALL
    • SubModel: LS

    2004 FORD F-150

    • EngineType: ALL
    • SubModel: STX

    1999-2000 CHEVROLET K3500 PICKUP

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

    2004 FORD EXPLORER

    • EngineType: ALL
    • SubModel: NBX

    1996-1997 GMC C2500 SUBURBAN

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

    1999-2004 FORD F53

    • EngineType: ALL
    • SubModel: ALL

    1996-1997 GMC K2500 SUBURBAN

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

    2001 CHEVROLET VENTURE

    • EngineType: ALL
    • SubModel: VALUE

    1996-1997 CHEVROLET C3500 PICKUP

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

    1996 FORD CROWN VICTORIA

    • EngineType: ALL
    • SubModel: LX

    2002-2003 FORD E-150 ECONOLINE

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

    1997-1998 FORD CONTOUR

    • EngineType: ALL
    • SubModel: SPORT

    2001-2005 CHEVROLET SILVERADO 2500 HD

    • Liter: 8.1
    • SubModel: LS
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    2001-2002 CHEVROLET EXPRESS 1500

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

    1996-1997 CHEVROLET TAHOE

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

    2006-2010 FORD E-350 SUPER DUTY

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

    1999-2005 CHEVROLET EXPRESS 2500

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

    2001 FORD EXPLORER

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

    1997 CHEVROLET K2500 PICKUP

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

    2006 CHEVROLET MALIBU

    • EngineType: ALL
    • SubModel: LTZ

    2002 CHEVROLET S10 PICKUP

    • EngineType: ALL
    • SubModel: BASE

    1996-2000 GMC K3500 PICKUP

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

    1989-1990 OLDSMOBILE CUTLASS CIERA

    • EngineType: ALL
    • SubModel: INTERNATIONAL

    2002-2005 GMC SIERRA 2500 HD

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

    1997-1998 FORD E-350 ECONOLINE CLUB WAGON

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

    2004 FORD CROWN VICTORIA

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

    1994-1997 BUICK SKYLARK

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

    1994-1996 CHEVROLET CORSICA

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

    1994-1996 OLDSMOBILE CUTLASS CIERA

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

    1978-1979 FORD FIESTA

    • EngineType: ALL
    • SubModel: ALL

    1996 CHEVROLET K2500 PICKUP

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

    2008-2009 GMC C5500 TOPKICK

    • CC: 8128
    • Liter: 8.1
    • SubModel: C5E042
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )
    TR55IX - NGK Iridium IX Spark Plugs is rated 4.0 out of 5 by 1.
    Rated 4 out of 5 by from Plugs The last set only lasted 6 yrs and 18000 mi. Most wore out
    Date published: 2017-04-14
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