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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 CHEVROLET K2500 PICKUP

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

    1994 PONTIAC FIREBIRD

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

    1993-1995 OLDSMOBILE CUTLASS SUPREME

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

    1999-2003 PONTIAC BONNEVILLE

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

    1999 CHEVROLET MONTE CARLO

    • EngineType: ALL
    • SubModel: LS

    2000-2005 CHEVROLET IMPALA

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

    2001-2002 MERCURY COUGAR

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

    2001 FORD EXPLORER

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

    1993 CADILLAC 60 SPECIAL

    • EngineType: ALL
    • SubModel: ALL

    1998 FORD F-150

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

    1999-2000 CHEVROLET C2500 PICKUP

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

    2006 CHEVROLET SILVERADO 3500

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

    1990-1996 BUICK REGAL

    • EngineType: ALL
    • SubModel: GRAN SPORT

    1999-2001 CHEVROLET S10 PICKUP

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

    2007 FORD RANGER

    • CC: 2300
    • Liter: 2.3
    • SubModel: XL
    • CUI: 140
    • EngineType: L4 ( 2.3 L / 140 )

    1992 MERCURY TOPAZ

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

    1997-2000 FORD E-350 ECONOLINE CLUB WAGON

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

    2002-2013 GMC SIERRA 1500

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

    1999-2000 GMC SAVANA 2500

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

    1998-2000 FORD E-150 ECONOLINE CLUB WAGON

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

    2003 MAZDA B4000

    • EngineType: ALL
    • SubModel: ALL

    2003 BUICK CENTURY

    • EngineType: ALL
    • SubModel: CUSTOM

    1997-1999 FORD F-250

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

    1994 CHEVROLET BERETTA

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

    1989 FORD TEMPO

    • EngineType: ALL
    • SubModel: AWD

    2006 GMC SIERRA 1500

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

    1998 CHEVROLET K2500 PICKUP

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

    1999-2001 OLDSMOBILE ALERO

    • EngineType: ALL
    • SubModel: GLS

    1997-1999 FORD F-250

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

    1996-1999 GMC C2500 SUBURBAN

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

    2008-2009 GMC C6500 TOPKICK

    • CC: 8128
    • Liter: 8.1
    • SubModel: C6E042
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    2000-2005 FORD TAURUS

    • EngineType: ALL
    • SubModel: SEL

    2005-2007 MERCURY MONTEGO

    • EngineType: ALL
    • SubModel: ALL

    1996-1997 GMC C2500 PICKUP

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

    2006 CHEVROLET MALIBU

    • EngineType: ALL
    • SubModel: MAXX LTZ

    1999-2000 CHEVROLET C3500 PICKUP

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

    1996 CHEVROLET K2500 PICKUP

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

    2006 CHEVROLET SILVERADO 2500 HD

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

    2001 CHEVROLET VENTURE

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

    2006-2007 LINCOLN TOWN CAR

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

    1995 FORD EXPLORER

    • EngineType: ALL
    • SubModel: EXPEDITION

    2003-2005 FORD EXPLORER SPORT TRAC

    • EngineType: ALL
    • SubModel: XLT

    1996-1997 CHEVROLET C1500 SUBURBAN

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

    1999-2001 OLDSMOBILE ALERO

    • EngineType: ALL
    • SubModel: GL

    1999 GMC K1500 PICKUP

    • EngineType: ALL
    • SubModel: SIERRA SLE

    1997-1998 FORD EXPLORER

    • Liter: 5.0
    • SubModel: LIMITED
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1999-2000 BUICK REGAL

    • EngineType: ALL
    • SubModel: GS

    1999-2004 FORD F-250 SUPER DUTY

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

    2003-2004 FORD ESCAPE

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

    1996-1997 GMC K2500 SUBURBAN

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

    1997 FORD F-150

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

    1996-1999 GMC C2500 SUBURBAN

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

    2007 GMC SIERRA 2500 HD CLASSIC

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

    2002-2004 FORD ESCAPE

    • Liter: 3.0
    • SubModel: XLS
    • CUI: 183
    • EngineType: V6 ( 3.0 L / 183 )

    1998 CHEVROLET C2500 PICKUP

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

    1995 CHEVROLET CAVALIER

    • Liter: 2.3
    • SubModel: LS
    • CUI: 138
    • EngineType: L4 ( 2.3 L / 138 )

    1997-1998 FORD E-350 ECONOLINE CLUB WAGON

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

    1997 PONTIAC SUNFIRE

    • EngineType: ALL
    • SubModel: BASE

    2006 CHEVROLET SILVERADO 1500

    • EngineType: ALL
    • SubModel: BASE

    2004 FORD F-150 HERITAGE

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

    1998-2004 OLDSMOBILE SILHOUETTE

    • EngineType: ALL
    • SubModel: GLS

    1996-1998 FORD WINDSTAR

    • EngineType: ALL
    • SubModel: GL PLUS

    2006-2008 BUICK LUCERNE

    • EngineType: ALL
    • SubModel: ALL

    2001-2002 FORD F-150

    • EngineType: ALL
    • SubModel: KING RANCH

    1991-1994 FORD AEROSTAR

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

    1999-2000 CHEVROLET C2500 PICKUP

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

    1988-1989 BUICK RIVIERA

    • EngineType: ALL
    • SubModel: T-TYPE

    1996-1997 CHEVROLET EXPRESS 2500

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

    1989 OLDSMOBILE CUTLASS CRUISER

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

    2006-2009 FORD FUSION

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

    1997-1999 FORD F-250

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

    1988-1991 BUICK REATTA

    • EngineType: ALL
    • SubModel: ALL

    1994-1995 BUICK ROADMASTER

    • EngineType: ALL
    • SubModel: LIMITED

    1996-2001 CHEVROLET LUMINA

    • EngineType: ALL
    • SubModel: ALL

    1996-1999 CHEVROLET P30 VAN

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

    2001 CHEVROLET VENTURE

    • EngineType: ALL
    • SubModel: WARNER BROS.

    1996-1997 GMC C3500 PICKUP

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

    2001-2004 FORD ESCAPE

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

    2007 GMC SIERRA 2500 HD CLASSIC

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

    2008-2009 GMC C7500 TOPKICK

    • CC: 8128
    • Liter: 8.1
    • SubModel: C7C042
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    1988-1992 PONTIAC BONNEVILLE

    • EngineType: ALL
    • SubModel: ALL

    2006 SATURN RELAY

    • CC: 3475
    • Liter: 3.5
    • SubModel: 3
    • CUI: 213
    • EngineType: V6 ( 3.5 L / 213 )

    2004 PONTIAC GRAND PRIX

    • EngineType: ALL
    • SubModel: GT1

    1999-2000 CHEVROLET K3500 PICKUP

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

    1988-1990 BUICK LESABRE

    • EngineType: ALL
    • SubModel: LIMITED

    1987-1988 CADILLAC FLEETWOOD

    • EngineType: ALL
    • SubModel: 60 SPECIAL

    1996-2000 GMC K3500 PICKUP

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

    1990-1994 FORD AEROSTAR

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

    1995 LINCOLN CONTINENTAL

    • EngineType: ALL
    • SubModel: SIGNATURE

    1999-2004 FORD F-350 SUPER DUTY

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

    1996-1999 CHEVROLET K2500 SUBURBAN

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

    1998-2002 FORD E-150 ECONOLINE CLUB WAGON

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

    1996-1997 CHEVROLET K2500 SUBURBAN

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

    1994 FORD MUSTANG

    • EngineType: ALL
    • SubModel: CONVERTIBLE

    1999 OLDSMOBILE CUTLASS

    • EngineType: ALL
    • SubModel: GL

    2001-2004 MAZDA TRIBUTE

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

    2008 FORD F-150

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

    2008-2009 CHEVROLET C4500 KODIAK

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

    2005 LINCOLN LS

    • EngineType: ALL
    • SubModel: PREMIUM

    2007 GMC SIERRA 2500 HD CLASSIC

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