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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 $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?

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    1996-1998 CHEVROLET C2500 PICKUP

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

    2005 MERCURY GRAND MARQUIS

    • EngineType: ALL
    • SubModel: LIMITED EDITION

    1990-1991 MERCURY TOPAZ

    • EngineType: ALL
    • SubModel: XR5 AWD

    1997 OLDSMOBILE ACHIEVA

    • EngineType: ALL
    • SubModel: SL

    1996-1999 GMC K2500 SUBURBAN

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

    1986 CADILLAC DEVILLE

    • EngineType: ALL
    • SubModel: DELEGANCE

    2000-2004 LINCOLN LS

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

    2001 FORD EXPLORER SPORT TRAC

    • EngineType: ALL
    • SubModel: ALL

    1989-1991 OLDSMOBILE CUTLASS CALAIS

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

    2006 MERCURY MOUNTAINEER

    • EngineType: ALL
    • SubModel: CONVENIENCE

    2005 MERCURY SABLE

    • EngineType: ALL
    • SubModel: PLATINUM EDITION

    2003 CHEVROLET S10 PICKUP

    • EngineType: ALL
    • SubModel: ZR2

    2001-2006 GMC YUKON XL 2500

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

    1992-1998 OLDSMOBILE 88

    • EngineType: ALL
    • SubModel: ALL

    1997 CADILLAC DEVILLE

    • EngineType: ALL
    • SubModel: CONCOURS

    1998 CHEVROLET C1500 PICKUP

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

    1998 FORD ECONOLINE SUPER DUTY

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

    2000 FORD TAURUS

    • EngineType: ALL
    • SubModel: SE COMFORT

    1994-1997 BUICK SKYLARK

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

    2010 FORD E-350 SUPER DUTY

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

    2000-2003 FORD EXPLORER

    • EngineType: ALL
    • SubModel: POSTAL

    2000 PONTIAC GRAND AM

    • EngineType: ALL
    • SubModel: SE2

    1999-2004 GMC SIERRA 1500

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

    1988-1989 BUICK RIVIERA

    • EngineType: ALL
    • SubModel: T-TYPE

    1996-1999 GMC C2500 SUBURBAN

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

    2005 BUICK RENDEZVOUS

    • EngineType: ALL
    • SubModel: CX PLUS

    1997-1998 FORD E-350 ECONOLINE CLUB WAGON

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

    2007 BUICK RENDEZVOUS

    • EngineType: ALL
    • SubModel: ALL

    2001-2002 GMC SAVANA 2500

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

    1998-2000 FORD CONTOUR

    • EngineType: ALL
    • SubModel: SVT

    1999 OLDSMOBILE 88

    • EngineType: ALL
    • SubModel: ROYALE LS

    1996-2002 GMC SAFARI

    • EngineType: ALL
    • SubModel: SLE

    2007 GMC SIERRA 3500 CLASSIC

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

    1997-1999 ISUZU HOMBRE

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

    2001-2002 GMC SAVANA 2500

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

    2006-2007 PONTIAC TORRENT

    • EngineType: ALL
    • SubModel: ALL

    1999-2001 PONTIAC GRAND AM

    • EngineType: ALL
    • SubModel: GT

    1996-2000 CHEVROLET EXPRESS 3500

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

    1999-2002 MERCURY COUGAR

    • EngineType: ALL
    • SubModel: V6

    1998-2003 FORD E-150 ECONOLINE

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

    2004 PONTIAC GRAND AM

    • EngineType: ALL
    • SubModel: SE1

    2006 GMC SIERRA 3500

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

    1998 CHEVROLET K1500 PICKUP

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

    2002-2003 MAZDA TRIBUTE

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

    2004 FORD E-450 SUPER DUTY

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

    1998-1999 CHEVROLET BLAZER

    • EngineType: ALL
    • SubModel: LT

    2001 CHEVROLET VENTURE

    • EngineType: ALL
    • SubModel: LS

    1995-1996 FORD THUNDERBIRD

    • EngineType: ALL
    • SubModel: BASE

    2006 GMC SIERRA 3500

    • 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 )

    2006 BUICK RENDEZVOUS

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

    1996 LINCOLN CONTINENTAL

    • EngineType: ALL
    • SubModel: ALL

    1996-2000 CHEVROLET EXPRESS 3500

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

    1996-2002 FORD CROWN VICTORIA

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

    2002-2005 GMC SIERRA 2500 HD

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

    2008-2009 GMC C5500 TOPKICK

    • CC: 8128
    • Liter: 8.1
    • SubModel: C5C042
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    2002-2006 CHEVROLET AVALANCHE 2500

    • EngineType: ALL
    • SubModel: ALL

    1996 MERCURY SABLE

    • EngineType: ALL
    • SubModel: G

    1993-1994 OLDSMOBILE CUTLASS SUPREME

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

    1997 FORD EXPEDITION

    • EngineType: ALL
    • SubModel: XLT PLUS

    1996-1999 GMC K2500 SUBURBAN

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

    1997-2000 FORD E-250 ECONOLINE

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

    2002 PONTIAC GRAND AM

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

    1999-2004 FORD F53

    • EngineType: ALL
    • SubModel: ALL

    1996-1998 CHEVROLET C2500 PICKUP

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

    1989 BUICK ELECTRA

    • EngineType: ALL
    • SubModel: PARK AVENUE ULTRA

    1998 OLDSMOBILE ACHIEVA

    • EngineType: ALL
    • SubModel: S

    2006 CHEVROLET MALIBU

    • EngineType: ALL
    • SubModel: MAXX LTZ

    1999-2003 GMC SIERRA 1500

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

    2006 CHEVROLET SILVERADO 2500 HD

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

    1998 CHEVROLET K1500 PICKUP

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

    1998 CHEVROLET C1500 PICKUP

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

    2002 JAGUAR X-TYPE

    • EngineType: ALL
    • SubModel: SPORT

    1988-1990 OLDSMOBILE 98

    • EngineType: ALL
    • SubModel: REGENCY BROUGHAM

    1999-2000 CHEVROLET C3500 PICKUP

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

    2005-2007 FORD FREESTYLE

    • EngineType: ALL
    • SubModel: ALL

    2006-2008 BUICK LUCERNE

    • EngineType: ALL
    • SubModel: ALL

    1995 CHEVROLET CAVALIER

    • Liter: 2.3
    • SubModel: Z24
    • CUI: 138
    • EngineType: L4 ( 2.3 L / 138 )

    2005 FORD CROWN VICTORIA

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

    1999-2004 FORD F-450 SUPER DUTY

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

    1996-1999 GMC C2500 SUBURBAN

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

    1998-2002 FORD E-150 ECONOLINE CLUB WAGON

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

    2011-2015 FORD E-350 SUPER DUTY

    • EngineType: ALL
    • SubModel: ALL

    1998-2000 GMC S15 JIMMY

    • EngineType: ALL
    • SubModel: SLE

    1988-1990 BUICK LESABRE

    • EngineType: ALL
    • SubModel: BASE

    1992-1993 CHEVROLET K2500 PICKUP

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

    1997 CHEVROLET CAMARO

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

    1988-1992 OLDSMOBILE TORONADO

    • EngineType: ALL
    • SubModel: ALL

    2004-2005 FORD EXPLORER

    • EngineType: ALL
    • SubModel: XLS SPORT

    2003-2005 CHEVROLET SILVERADO 2500 HD

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

    1999-2005 FORD EXPLORER

    • EngineType: ALL
    • SubModel: XLS

    1999-2000 BUICK REGAL

    • EngineType: ALL
    • SubModel: LS

    2000-2002 JAGUAR S-TYPE

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

    2008-2009 PONTIAC TORRENT

    • EngineType: ALL
    • SubModel: BASE

    2004-2010 FORD E-450 SUPER DUTY

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

    1996-1997 CHEVROLET C2500 PICKUP

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

    1992 MERCURY TOPAZ

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

    1991-1998 BUICK LESABRE

    • EngineType: ALL
    • SubModel: ALL

    1995 CHEVROLET LUMINA

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

    2006 SATURN RELAY

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