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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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Estimated ship date 05/30/17 if Ordered Today
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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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    1990-1996 FORD RANGER

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

    2004 FORD F-150 HERITAGE

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

    1997-1998 FORD E-350 ECONOLINE

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

    2008-2009 GMC C4500 TOPKICK

    • CC: 8128
    • Liter: 8.1
    • SubModel: C4V042
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    1991-2000 FORD EXPLORER

    • EngineType: ALL
    • SubModel: XLT

    1996-1999 GMC C2500 SUBURBAN

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

    2006-2008 LINCOLN TOWN CAR

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

    1996-1997 CHEVROLET K3500 PICKUP

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

    1992-1993 PONTIAC GRAND AM

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

    2001-2006 CHEVROLET SUBURBAN 2500

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

    1991-1994 FORD AEROSTAR

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

    1991-1999 BUICK PARK AVENUE

    • EngineType: ALL
    • SubModel: ALL

    2008-2009 GMC C6500 TOPKICK

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

    1998 GMC K2500 PICKUP

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

    2000-2003 MERCURY SABLE

    • CC: 2986
    • Liter: 3.0
    • Aspiration: N
    • SubModel: GS
    • Engine Vin: U
    • CUI: 182
    • EngineType: V6 ( 3.0 L / 182 )

    2004 FORD F-250 SUPER DUTY

    • Liter: 6.8
    • SubModel: HARLEY-DAVIDSON EDITION
    • CUI: 415
    • EngineType: V10 ( 6.8 L / 415 )

    1991-1993 BUICK CENTURY

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

    2004 FORD MUSTANG

    • EngineType: ALL
    • SubModel: GT EQUIPADO

    1996 CHEVROLET K2500 PICKUP

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

    2001 MAZDA TRIBUTE

    • EngineType: ALL
    • SubModel: ES

    2001-2003 FORD WINDSTAR

    • 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 C2500 PICKUP

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

    2008 FORD RANGER

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

    2006 GMC SIERRA 3500

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

    2006-2008 FORD ESCAPE

    • EngineType: ALL
    • SubModel: ALL

    1988-1989 BUICK RIVIERA

    • EngineType: ALL
    • SubModel: T-TYPE

    2001-2005 CHEVROLET SILVERADO 2500 HD

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

    1996-1997 CHEVROLET EXPRESS 2500

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

    2008-2009 FORD F-150

    • EngineType: ALL
    • SubModel: STX

    1996-2000 GMC C3500 PICKUP

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

    1994 OLDSMOBILE ACHIEVA

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

    2003-2004 CHEVROLET VENTURE

    • EngineType: ALL
    • SubModel: PLUS

    2000 BUICK REGAL

    • EngineType: ALL
    • SubModel: LSE

    1996-1997 MERCURY MYSTIQUE

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

    1996 BUICK ROADMASTER

    • EngineType: ALL
    • SubModel: LIMITED COLLECTORS EDITION

    1996-1997 GMC C1500 SUBURBAN

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

    1993 PONTIAC BONNEVILLE

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

    1999-2000 CHEVROLET K3500 PICKUP

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

    2004-2006 CHEVROLET MALIBU

    • EngineType: ALL
    • SubModel: MAXX LT

    1990-1991 MERCURY TOPAZ

    • EngineType: ALL
    • SubModel: XR5 AWD

    1994-1996 OLDSMOBILE CUTLASS CIERA

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

    2002-2005 FORD EXPLORER

    • EngineType: ALL
    • SubModel: XLS

    1999 BUICK LESABRE

    • EngineType: ALL
    • SubModel: CUSTOM

    2004 MERCURY SABLE

    • EngineType: ALL
    • SubModel: LS PREMIUM

    1996-1997 CHEVROLET C2500 SUBURBAN

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

    1993-1996 FORD EXPLORER

    • EngineType: ALL
    • SubModel: LIMITED

    1999 GMC C1500 PICKUP

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

    1999 OLDSMOBILE CUTLASS

    • EngineType: ALL
    • SubModel: GLS

    1997 FORD E-250 ECONOLINE

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

    1997 CADILLAC DEVILLE

    • EngineType: ALL
    • SubModel: DELEGANCE

    2005-2006 FORD RANGER

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

    1990-1994 FORD AEROSTAR

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

    2006 BUICK TERRAZA

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

    2000 GMC C3500HD

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

    2003-2005 FORD EXPLORER SPORT TRAC

    • EngineType: ALL
    • SubModel: XLS

    2004 PONTIAC GRAND PRIX

    • EngineType: ALL
    • SubModel: GT1

    2007 GMC SIERRA 2500 HD CLASSIC

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

    1996-1997 GMC SAVANA 1500

    • EngineType: ALL
    • SubModel: ALL

    2000 GMC S15 JIMMY

    • EngineType: ALL
    • SubModel: DIAMOND EDITION

    1994 PONTIAC FIREBIRD

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

    1999 OLDSMOBILE 88

    • EngineType: ALL
    • SubModel: 50TH ANNIVERSARY EDITION

    1996-2000 GMC K3500 PICKUP

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

    1996-1998 CHEVROLET C2500 PICKUP

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

    1994-1997 MERCURY COUGAR

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

    1999-2000 CHEVROLET C3500 PICKUP

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

    1990-1991 FORD TEMPO

    • EngineType: ALL
    • SubModel: LX AWD

    2002 MERCURY SABLE

    • CC: 2986
    • Liter: 3.0
    • Aspiration: N
    • SubModel: LS
    • Engine Vin: U
    • CUI: 182
    • EngineType: V6 ( 3.0 L / 182 )

    1997-1999 FORD F-250

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

    2006 FORD E-350 SUPER DUTY

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

    2008-2009 CHEVROLET C7500 KODIAK

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

    1996-1997 FORD MUSTANG

    • CC: 4601
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 281
    • EngineType: V8 ( 4.6 L / 281 )

    1992-1994 FORD TEMPO

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

    2006 BUICK RENDEZVOUS

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

    1995 FORD RANGER

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

    2001-2002 GMC SAVANA 2500

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

    1995 CHEVROLET LUMINA

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

    2008-2009 CHEVROLET C4500 KODIAK

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

    1997-2002 BUICK CENTURY

    • EngineType: ALL
    • SubModel: ALL

    2008-2009 CHEVROLET C6500 KODIAK

    • CC: 8128
    • Liter: 8.1
    • SubModel: C6C042
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    1996-1997 CHEVROLET K3500 PICKUP

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

    1996-1997 GMC YUKON

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

    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 )

    1999-2000 CADILLAC SEVILLE

    • EngineType: ALL
    • SubModel: STS

    2003 PONTIAC GRAND AM

    • Liter: 3.4
    • SubModel: SE2
    • CUI: 207
    • EngineType: V6 ( 3.4 L / 207 )

    2006 BUICK RENDEZVOUS

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

    2002-2003 OLDSMOBILE ALERO

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

    1982-1985 CADILLAC DEVILLE

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

    1998-2000 FORD F-150

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

    1996-1998 FORD WINDSTAR

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

    2007 CHEVROLET SILVERADO 1500 CLASSIC

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

    2013 CHEVROLET SILVERADO 1500

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

    2003-2005 GMC SAVANA 1500

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

    1997 CHEVROLET C2500 PICKUP

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

    1999-2002 FORD F-150

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

    2006 LINCOLN ZEPHYR

    • EngineType: ALL
    • SubModel: ALL

    1991-1993 FORD EXPLORER

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

    1996-1997 GMC C2500 SUBURBAN

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

    2002 LINCOLN BLACKWOOD

    • EngineType: ALL
    • SubModel: ALL
    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
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