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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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    2008 FORD F-150

    • Liter: 4.6
    • SubModel: FX2
    • CUI: 281
    • EngineType: V8 ( 4.6 L / 281 )

    1988-1990 OLDSMOBILE 98

    • EngineType: ALL
    • SubModel: REGENCY

    1991-1994 FORD AEROSTAR

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

    2005 FORD ESCAPE

    • EngineType: ALL
    • SubModel: XLT NO BOUNDARIES

    1996-1997 MERCURY MYSTIQUE

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

    1996-2000 GMC C2500 PICKUP

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

    1993-1999 FORD MUSTANG

    • EngineType: ALL
    • SubModel: SVT COBRA

    1999-2000 CHEVROLET C2500 PICKUP

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

    1997-2002 FORD E-350 ECONOLINE CLUB WAGON

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

    2008 CHEVROLET C5500 KODIAK

    • CC: 8128
    • Liter: 8.1
    • SubModel: C5U042
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    1998 CHEVROLET C1500 PICKUP

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

    2002 PONTIAC GRAND AM

    • CC: 3350
    • Liter: 3.4
    • SubModel: GT
    • CUI: 204
    • EngineType: V6 ( 3.4 L / 204 )

    2005 CHEVROLET VENTURE

    • EngineType: ALL
    • SubModel: ALL

    2006 BUICK RENDEZVOUS

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

    1999-2004 FORD F-550 SUPER DUTY

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

    1996-2000 CHEVROLET EXPRESS 3500

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

    1997-1999 FORD F-250

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

    1998-2001 PONTIAC SUNFIRE

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

    1991-2005 BUICK PARK AVENUE

    • EngineType: ALL
    • SubModel: ALL

    1995 LINCOLN CONTINENTAL

    • EngineType: ALL
    • SubModel: DIAMOND ANNIVERSARY

    1993 PONTIAC BONNEVILLE

    • EngineType: ALL
    • SubModel: SE

    1997-1999 FORD F-250

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

    2008 FORD F-150

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

    1996-1999 GMC K2500 SUBURBAN

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

    1982-1985 CADILLAC ELDORADO

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

    2004-2005 FORD EXPLORER

    • EngineType: ALL
    • SubModel: XLT SPORT

    2008-2009 CHEVROLET EQUINOX

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

    2008 FORD RANGER

    • CC: 2986
    • Liter: 3.0
    • SubModel: SPORT
    • CUI: 182
    • EngineType: V6 ( 3.0 L / 182 )

    2004-2005 CHEVROLET MALIBU

    • EngineType: ALL
    • SubModel: LS

    2000 PONTIAC SUNFIRE

    • EngineType: ALL
    • SubModel: GT MILENIO

    2008 PONTIAC TORRENT

    • EngineType: ALL
    • SubModel: LS

    1997-1999 ISUZU HOMBRE

    • CC: 4294
    • Liter: 4.3
    • SubModel: XS
    • EngineType: V6 ( 4.3 L / 4294 CC )

    1998 FORD F-150

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

    2004-2005 FORD EXCURSION

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

    1997-1998 FORD E-350 ECONOLINE CLUB WAGON

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

    1995-2000 FORD CONTOUR

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

    1996-2002 GMC SAFARI

    • EngineType: ALL
    • SubModel: SLT

    1997 FORD E-350 ECONOLINE

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

    2004-2005 FORD CROWN VICTORIA

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

    1996-1999 GMC C2500 SUBURBAN

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

    1989-1991 OLDSMOBILE CUTLASS CALAIS

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

    1994-1996 BUICK COMMERCIAL CHASSIS

    • EngineType: ALL
    • SubModel: ALL

    1996-1997 CHEVROLET C3500 PICKUP

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

    1996-1998 CHEVROLET K2500 PICKUP

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

    1999-2000 CHEVROLET C3500 PICKUP

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

    1998-2000 GMC S15 JIMMY

    • EngineType: ALL
    • SubModel: SLT

    2003 FORD F-150

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

    2004-2005 GMC SIERRA 3500

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

    2001 CHEVROLET VENTURE

    • EngineType: ALL
    • SubModel: PLUS

    2003 CHEVROLET VENTURE

    • EngineType: ALL
    • SubModel: WARNER BROS.

    1989-1991 FORD TEMPO

    • EngineType: ALL
    • SubModel: GL

    1998-1999 FORD ECONOLINE SUPER DUTY

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

    2008 FORD F-150

    • Liter: 4.2
    • SubModel: XL
    • CUI: 256
    • EngineType: V6 ( 4.2 L / 256 )

    1997-1999 FORD F-250

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

    1996-2005 MERCURY SABLE

    • EngineType: ALL
    • SubModel: LS

    1992-1993 CADILLAC COMMERCIAL CHASSIS

    • EngineType: ALL
    • SubModel: BASE

    1997-1998 FORD E-350 ECONOLINE CLUB WAGON

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

    2005-2007 FORD FIVE HUNDRED

    • EngineType: ALL
    • SubModel: ALL

    2006-2008 FORD ESCAPE

    • EngineType: ALL
    • SubModel: ALL

    2000-2005 CHEVROLET IMPALA

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

    1999 CHEVROLET MONTE CARLO

    • EngineType: ALL
    • SubModel: Z34

    2004-2005 PONTIAC GRAND AM

    • EngineType: ALL
    • SubModel: GT1

    1999 GMC K1500 PICKUP

    • EngineType: ALL
    • SubModel: SIERRA SLE

    1999-2001 OLDSMOBILE ALERO

    • EngineType: ALL
    • SubModel: GLS

    1999 BUICK LESABRE

    • EngineType: ALL
    • SubModel: CUSTOM

    1999-2004 FORD F-350 SUPER DUTY

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

    1999-2004 FORD F-250 SUPER DUTY

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

    2004 CHEVROLET SILVERADO 1500

    • Liter: 4.3
    • SubModel: Z71
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1995-1996 OLDSMOBILE ACHIEVA

    • EngineType: ALL
    • SubModel: ALL

    1996 GMC C3500HD

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

    1989-1991 MERCURY TOPAZ

    • EngineType: ALL
    • SubModel: GS

    1998 FORD F-250

    • EngineType: ALL
    • SubModel: LOBO 50 ANIVERSARIO

    2005-2009 FORD RANGER

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

    2005 BUICK TERRAZA

    • EngineType: ALL
    • SubModel: ALL

    2001 MAZDA TRIBUTE

    • EngineType: ALL
    • SubModel: LX

    1999-2000 FORD F-150

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

    2002-2005 CHEVROLET SILVERADO 3500

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

    1996-1997 GMC K3500 PICKUP

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

    1997-1998 OLDSMOBILE CUTLASS

    • EngineType: ALL
    • SubModel: ALL

    1992-1993 CHEVROLET K2500 PICKUP

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

    1997-2000 FORD E-350 ECONOLINE CLUB WAGON

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

    1997-2005 FORD CROWN VICTORIA

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

    1991-2005 FORD EXPLORER

    • EngineType: ALL
    • SubModel: EDDIE BAUER

    2007 GMC SIERRA 1500 CLASSIC

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

    1997-2004 FORD EXPEDITION

    • EngineType: ALL
    • SubModel: XLT

    1997-1999 FORD F-250

    • EngineType: ALL
    • SubModel: LOBO

    2012-2013 FORD TRANSIT CONNECT

    • EngineType: ALL
    • SubModel: XL

    1996-2000 GMC K3500 PICKUP

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

    1996-1999 OLDSMOBILE LSS

    • EngineType: ALL
    • SubModel: ALL

    2005 BUICK RENDEZVOUS

    • EngineType: ALL
    • SubModel: CX PLUS

    2004 GMC SONOMA

    • EngineType: ALL
    • SubModel: SLS

    1988-1989 BUICK ELECTRA

    • EngineType: ALL
    • SubModel: PARK AVENUE

    1990 BUICK ELECTRA

    • EngineType: ALL
    • SubModel: ALL

    2004 FORD MUSTANG

    • EngineType: ALL
    • SubModel: GT EQUIPADO

    2001-2002 CHEVROLET EXPRESS 1500

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

    2000-2005 FORD EXCURSION

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

    1989-1991 MERCURY TOPAZ

    • EngineType: ALL
    • SubModel: SPORT AWD

    1998-2005 FORD TAURUS

    • EngineType: ALL
    • SubModel: SE

    2008-2009 CHEVROLET C4500 KODIAK

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

    2004-2005 FORD FREESTAR

    • EngineType: ALL
    • SubModel: S
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