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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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    1996-1997 GMC C2500 SUBURBAN

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

    2008-2009 GMC C4500 TOPKICK

    • Liter: 8.1
    • SubModel: C4V042
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    1995 LINCOLN CONTINENTAL

    • EngineType: ALL
    • SubModel: DIAMOND ANNIVERSARY

    1978-1979 FORD FIESTA

    • EngineType: ALL
    • SubModel: ALL

    1986 CADILLAC DEVILLE

    • EngineType: ALL
    • SubModel: DELEGANCE

    1997 CADILLAC DEVILLE

    • EngineType: ALL
    • SubModel: BASE

    2005 FORD EXPLORER SPORT TRAC

    • EngineType: ALL
    • SubModel: ADRENALIN

    1999-2010 FORD E-350 SUPER DUTY

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

    2006 GMC SIERRA 1500

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

    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

    1992-2005 MERCURY GRAND MARQUIS

    • EngineType: ALL
    • SubModel: GS

    2007 CHEVROLET SILVERADO 3500 CLASSIC

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

    2000 FORD TAURUS

    • EngineType: ALL
    • SubModel: SVG

    1999-2000 FORD E-350 SUPER DUTY

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

    1996-1997 CHEVROLET C1500 SUBURBAN

    • Liter: 5.7
    • SubModel: BASE
    • 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 )

    2000-2005 FORD E-350 SUPER DUTY

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

    1996-1997 GMC C3500 PICKUP

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

    1993 CHEVROLET CAMARO

    • Liter: 5.7
    • SubModel: INDIANAPOLIS 500 PACE CAR
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    2005-2007 PONTIAC GRAND PRIX

    • EngineType: ALL
    • SubModel: GT

    2005 GMC S15 JIMMY

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

    2006 CHEVROLET MALIBU

    • EngineType: ALL
    • SubModel: BASE

    1999-2000 CHEVROLET C2500 PICKUP

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

    1995 BUICK SKYLARK

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

    2005 FORD CROWN VICTORIA

    • EngineType: ALL
    • SubModel: LX SPORT

    2004-2005 LINCOLN LS

    • EngineType: ALL
    • SubModel: PLUS

    2000-2005 FORD EXCURSION

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

    1996-1997 CHEVROLET C1500 SUBURBAN

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

    2009 GMC C5500 TOPKICK

    • Liter: 8.1
    • SubModel: C5V042
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    2002 CHEVROLET S10 PICKUP

    • EngineType: ALL
    • SubModel: LS

    2002-2003 FORD CROWN VICTORIA

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

    2003 FORD E-550 SUPER DUTY

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

    1996-1998 CHEVROLET MONTE CARLO

    • EngineType: ALL
    • SubModel: ALL

    2006 CHEVROLET UPLANDER

    • EngineType: ALL
    • SubModel: BASE

    1996-1997 CHEVROLET CAMARO

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

    1996-2001 CHEVROLET S10 PICKUP

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

    1996-1997 CHEVROLET C2500 SUBURBAN

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

    1993-1994 OLDSMOBILE CUTLASS CRUISER

    • EngineType: ALL
    • SubModel: ALL

    2005-2009 BUICK LACROSSE

    • EngineType: ALL
    • SubModel: CX

    1982-1985 CADILLAC ELDORADO

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

    2008-2009 CHEVROLET C6500 KODIAK

    • Liter: 8.1
    • SubModel: C6E042
    • 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 )

    1998-2002 CHEVROLET EXPRESS 1500

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

    1994 CHEVROLET CAPRICE

    • EngineType: ALL
    • SubModel: CLASSIC

    1990-1996 BUICK REGAL

    • EngineType: ALL
    • SubModel: GRAN SPORT

    1996-1997 CHEVROLET K2500 SUBURBAN

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

    2001-2002 CADILLAC ELDORADO

    • EngineType: ALL
    • SubModel: ALL

    1997 LINCOLN CONTINENTAL

    • EngineType: ALL
    • SubModel: SPINNAKER EDITION

    1999-2000 MERCURY MYSTIQUE

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

    1986 CADILLAC DEVILLE

    • EngineType: ALL
    • SubModel: TOURING

    1996 CHEVROLET P30 VAN

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

    2004-2005 FORD FREESTAR

    • EngineType: ALL
    • SubModel: SES

    2002 CHEVROLET S10 PICKUP

    • EngineType: ALL
    • SubModel: XTREME

    1995-1999 BUICK RIVIERA

    • EngineType: ALL
    • SubModel: ALL

    1989-1991 FORD TEMPO

    • EngineType: ALL
    • SubModel: LX

    2004 FORD EXPEDITION

    • EngineType: ALL
    • SubModel: NBX

    1999-2000 GMC S15 JIMMY

    • EngineType: ALL
    • SubModel: ENVOY

    2007-2010 CADILLAC STS

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

    2004 CHEVROLET SILVERADO 1500

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

    2006 CHEVROLET MALIBU

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

    2010 FORD RANGER

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

    1996-2003 FORD CROWN VICTORIA

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

    1994 PONTIAC GRAND PRIX

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

    1996-1997 CHEVROLET TAHOE

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

    1994-1997 FORD THUNDERBIRD

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

    1996-2005 FORD CROWN VICTORIA

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

    2004-2005 MAZDA B3000

    • EngineType: ALL
    • SubModel: DS

    1994-1997 BUICK SKYLARK

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

    1992-1998 OLDSMOBILE 88

    • EngineType: ALL
    • SubModel: ALL

    1995-2002 CHEVROLET CAMARO

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

    1998-2000 FORD E-150 ECONOLINE CLUB WAGON

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

    1994-1996 CADILLAC FLEETWOOD

    • EngineType: ALL
    • SubModel: ALL

    2003 FORD F-150

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

    1996-1997 FORD TAURUS

    • EngineType: ALL
    • SubModel: GL

    1995 BUICK SKYLARK

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

    2003 FORD E-450 SUPER DUTY

    • EngineType: ALL
    • SubModel: BASE

    1998 CHEVROLET C2500 PICKUP

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

    2006-2007 LINCOLN TOWN CAR

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

    1991-1999 FORD EXPLORER

    • EngineType: ALL
    • SubModel: XL

    1988-1989 BUICK RIVIERA

    • EngineType: ALL
    • SubModel: T-TYPE

    1999-2002 CHEVROLET CAVALIER

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

    1996-1997 CHEVROLET C2500 SUBURBAN

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

    1995-1998 FORD CONTOUR

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

    2005 MERCURY GRAND MARQUIS

    • EngineType: ALL
    • SubModel: ULTIMATE EDITION

    1992-1993 CHEVROLET C2500 PICKUP

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

    1992-1994 FORD AEROSTAR

    • EngineType: ALL
    • SubModel: EDDIE BAUER

    1988-1992 OLDSMOBILE TORONADO

    • EngineType: ALL
    • SubModel: ALL

    1990-1997 FORD AEROSTAR

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

    1990-1991 FORD TEMPO

    • EngineType: ALL
    • SubModel: L

    1998-2000 FORD E-150 ECONOLINE CLUB WAGON

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

    2002-2004 GMC S15 JIMMY

    • EngineType: ALL
    • SubModel: ALL

    1997-1998 CHEVROLET K2500 PICKUP

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

    1998 CHEVROLET CAVALIER

    • EngineType: ALL
    • SubModel: ALL

    1996-1997 CHEVROLET EXPRESS 3500

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

    2004-2005 FORD FREESTAR

    • EngineType: ALL
    • SubModel: S

    2005-2009 BUICK ALLURE

    • EngineType: ALL
    • SubModel: CX

    2000 BUICK PARK AVENUE

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

    1998 FORD WINDSTAR

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

    1996-2002 CHEVROLET EXPRESS 2500

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )
    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
    • y_2017, m_10, d_18, h_21
    • bvseo_bulk, prod_bvrr, vn_bulk_2.0.3
    • cp_1, bvpage1
    • co_hasreviews, tv_0, tr_1
    • loc_en_US, sid_10001_10001_261926, prod, sort_[SortEntry(order=RATING, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
    • clientName_jegs
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