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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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    1996-1997 GMC SAVANA 2500

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

    1988-1989 BUICK RIVIERA

    • EngineType: ALL
    • SubModel: T-TYPE

    1995 LINCOLN CONTINENTAL

    • EngineType: ALL
    • SubModel: SIGNATURE

    1994-1998 PONTIAC BONNEVILLE

    • EngineType: ALL
    • SubModel: ALL

    2009 FORD RANGER

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

    2002-2005 FORD EXCURSION

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

    1999-2004 FORD F-450 SUPER DUTY

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

    2001-2003 OLDSMOBILE AURORA

    • EngineType: ALL
    • SubModel: ALL

    2005 MERCURY SABLE

    • EngineType: ALL
    • SubModel: PLATINUM EDITION

    2001-2003 LINCOLN LS

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

    1995-2002 PONTIAC FIREBIRD

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

    2007 CHEVROLET SILVERADO 2500 HD CLASSIC

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

    2002-2003 BUICK RENDEZVOUS

    • EngineType: ALL
    • SubModel: CXL PLUS

    1999-2000 CADILLAC ELDORADO

    • EngineType: ALL
    • SubModel: ETC

    1985 CADILLAC FLEETWOOD

    • Liter: 4.1
    • SubModel: 75 FORMAL
    • CUI: 250
    • EngineType: V8 ( 4.1 L / 250 )

    1996-1998 CHEVROLET K2500 PICKUP

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

    2010 MAZDA B2300

    • EngineType: ALL
    • SubModel: SX

    1993-1997 PONTIAC FIREBIRD

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

    1997-2002 FORD E-350 ECONOLINE CLUB WAGON

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

    1996-1999 GMC C2500 PICKUP

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

    2005-2006 FORD RANGER

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

    1998 CHEVROLET C1500 PICKUP

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

    1989 OLDSMOBILE CUTLASS CRUISER

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

    1997-1999 FORD F-250

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

    1999-2000 FORD WINDSTAR

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

    1998-2000 GMC S15 JIMMY

    • EngineType: ALL
    • SubModel: SLE

    1994-1997 MERCURY COUGAR

    • Liter: 4.6
    • SubModel: XR-7
    • CUI: 281
    • EngineType: V8 ( 4.6 L / 281 )

    2002 JAGUAR X-TYPE

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

    1997 LINCOLN CONTINENTAL

    • EngineType: ALL
    • SubModel: SPINNAKER EDITION

    1989-1991 MERCURY TOPAZ

    • EngineType: ALL
    • SubModel: LS AWD

    2001 CHEVROLET SILVERADO 3500

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

    2000 FORD WINDSTAR

    • EngineType: ALL
    • SubModel: LIMITED

    2004-2005 BUICK CENTURY

    • EngineType: ALL
    • SubModel: ALL

    1996-1997 GMC K2500 SUBURBAN

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

    2007 CHEVROLET SILVERADO 3500 CLASSIC

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

    1988-1989 BUICK ELECTRA

    • EngineType: ALL
    • SubModel: PARK AVENUE

    2004-2005 CHEVROLET IMPALA

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

    2002-2005 GMC SIERRA 3500

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

    1994-1998 BUICK SKYLARK

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

    1990 BUICK ELECTRA

    • EngineType: ALL
    • SubModel: ALL

    1997 FORD E-150 ECONOLINE

    • EngineType: ALL
    • SubModel: XL

    2001-2002 CHEVROLET EXPRESS 3500

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

    2000 GMC S15 JIMMY

    • EngineType: ALL
    • SubModel: DIAMOND EDITION

    1996-2000 GMC K2500 PICKUP

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

    2002 CHEVROLET S10 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1998-1999 CHEVROLET BLAZER

    • EngineType: ALL
    • SubModel: LT

    2000-2003 PONTIAC BONNEVILLE

    • EngineType: ALL
    • SubModel: SLE

    1999-2003 PONTIAC BONNEVILLE

    • EngineType: ALL
    • SubModel: SE

    2006 PONTIAC G6

    • Liter: 3.5
    • SubModel: BASE
    • CUI: 214
    • EngineType: V6 ( 3.5 L / 214 )

    1992-1994 FORD AEROSTAR

    • EngineType: ALL
    • SubModel: EDDIE BAUER

    1989-1993 BUICK SKYLARK

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

    1998-2000 GMC S15 JIMMY

    • EngineType: ALL
    • SubModel: SLS

    1992-1994 MERCURY TOPAZ

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

    1999-2000 CADILLAC SEVILLE

    • EngineType: ALL
    • SubModel: SLS

    1989-1990 OLDSMOBILE CUTLASS CRUISER

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

    2006 CHEVROLET SILVERADO 2500 HD

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

    1999-2002 FORD F-150

    • EngineType: ALL
    • SubModel: LARIAT

    2006 BUICK RENDEZVOUS

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

    2008-2009 GMC C5500 TOPKICK

    • CC: 8128
    • Liter: 8.1
    • SubModel: C5C044
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    2004 MAZDA B3000

    • EngineType: ALL
    • SubModel: SE

    1995-1996 BUICK CENTURY

    • EngineType: ALL
    • SubModel: CUSTOM

    2008 FORD F-150

    • Liter: 4.6
    • SubModel: THE 60TH ANNIVERSARY EDITION
    • CUI: 281
    • EngineType: V8 ( 4.6 L / 281 )

    2000-2005 CHEVROLET IMPALA

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

    1995 LINCOLN CONTINENTAL

    • EngineType: ALL
    • SubModel: DIAMOND ANNIVERSARY

    2003-2004 FORD MUSTANG

    • EngineType: ALL
    • SubModel: BASE

    2006 CHEVROLET EXPRESS 1500

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

    2008-2009 FORD RANGER

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

    1998 MERCURY SABLE

    • EngineType: ALL
    • SubModel: LS PREMIUM

    2001-2002 CADILLAC ELDORADO

    • EngineType: ALL
    • SubModel: ALL

    1997-1998 OLDSMOBILE REGENCY

    • EngineType: ALL
    • SubModel: ALL

    2005-2007 FORD F-150

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

    1999 OLDSMOBILE CUTLASS

    • EngineType: ALL
    • SubModel: GL

    1990-1993 BUICK REGAL

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

    1996-1997 GMC K3500 PICKUP

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

    1995 FORD CONTOUR

    • CC: 2450
    • Liter: 2.5
    • SubModel: LX SPORT
    • CUI: 155
    • EngineType: V6 ( 2.5 L / 155 )

    1991-1993 FORD RANGER

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

    2010-2011 FORD TRANSIT CONNECT

    • EngineType: ALL
    • SubModel: ALL

    2007 CHEVROLET SILVERADO 2500 HD CLASSIC

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

    1999 BUICK LESABRE

    • EngineType: ALL
    • SubModel: LIMITED

    2004 CHEVROLET S10 PICKUP

    • EngineType: ALL
    • SubModel: LS

    2006-2007 MAZDA 5

    • CC: 2260
    • Liter: 2.3
    • SubModel: TOURING
    • CUI: 138
    • EngineType: L4 ( 2.3 L / 138 )

    1998-2000 GMC SONOMA

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

    1982-1985 CADILLAC DEVILLE

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

    1995 CHEVROLET G30 VAN

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

    2004 FORD F-150 HERITAGE

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

    1994 FORD MUSTANG

    • EngineType: ALL
    • SubModel: CONVERTIBLE

    2006 GMC SIERRA 2500 HD

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

    1987-1988 CADILLAC FLEETWOOD

    • EngineType: ALL
    • SubModel: DELEGANCE

    2004-2005 FORD FREESTAR

    • EngineType: ALL
    • SubModel: SES

    1999-2004 FORD F-250 SUPER DUTY

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

    2014 CHEVROLET EXPRESS 1500

    • CC: 4293
    • Liter: 4.3
    • SubModel: BASE
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1997 PONTIAC SUNFIRE

    • EngineType: ALL
    • SubModel: BASE

    2002 CHEVROLET CAVALIER

    • CC: 2392
    • Liter: 2.4
    • SubModel: BASE
    • CUI: 146
    • EngineType: L4 ( 2.4 L / 146 )

    1996-2005 FORD CROWN VICTORIA

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

    2000 GMC C3500HD

    • CC: 7
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1996-1997 CHEVROLET C1500 SUBURBAN

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

    2008-2009 CADILLAC XLR

    • EngineType: ALL
    • SubModel: PLATINUM

    2006-2009 FORD FUSION

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

    1997-2000 FORD E-350 ECONOLINE CLUB WAGON

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

    1996-1997 GMC K2500 PICKUP

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