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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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    1996-1999 CHEVROLET P30 VAN

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

    2004-2005 BUICK CENTURY

    • EngineType: ALL
    • SubModel: ALL

    1999-2004 FORD F-350 SUPER DUTY

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

    2002 CHEVROLET CAVALIER

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

    1998 CHEVROLET K1500 PICKUP

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

    1982-1985 CADILLAC DEVILLE

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

    1999-2002 PONTIAC SUNFIRE

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

    1991-2000 FORD EXPLORER

    • EngineType: ALL
    • SubModel: XLT

    1994-1995 BUICK ROADMASTER

    • EngineType: ALL
    • SubModel: ESTATE WAGON

    1995-2002 CHEVROLET CAMARO

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

    2001 FORD EXPLORER SPORT TRAC

    • EngineType: ALL
    • SubModel: ALL

    2006 PONTIAC MONTANA

    • CC: 3498
    • Liter: 3.5
    • SubModel: SV6
    • CUI: 213
    • EngineType: V6 ( 3.5 L / 213 )

    2006-2007 MERCURY GRAND MARQUIS

    • EngineType: ALL
    • SubModel: ALL

    1999-2005 CHEVROLET SILVERADO 1500

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

    1996-2002 CHEVROLET EXPRESS 2500

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

    2001-2005 CHEVROLET SILVERADO 2500 HD

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

    2006-2007 MAZDA 5

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

    2006-2008 LINCOLN TOWN CAR

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

    2004 FORD EXPEDITION

    • EngineType: ALL
    • SubModel: NBX

    2003 FORD F-150

    • EngineType: ALL
    • SubModel: LIGHTNING

    1986-1988 CADILLAC FLEETWOOD

    • EngineType: ALL
    • SubModel: BASE

    1993-1994 OLDSMOBILE CUTLASS CRUISER

    • EngineType: ALL
    • SubModel: ALL

    1996-1997 GMC SAVANA 2500

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

    1997-1998 FORD E-350 ECONOLINE CLUB WAGON

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

    1982-1985 CADILLAC ELDORADO

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

    2003-2004 MERCURY MARAUDER

    • EngineType: ALL
    • SubModel: ALL

    1997-2000 FORD EXPLORER

    • Liter: 4.0
    • Aspiration: N
    • SubModel: EDDIE BAUER
    • Engine Vin: E
    • CUI: 245
    • EngineType: V6 ( 4.0 L / 245 )

    1998-2002 FORD E-150 ECONOLINE CLUB WAGON

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

    1999-2004 FORD F-550 SUPER DUTY

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

    1992 OLDSMOBILE CUTLASS CIERA

    • EngineType: ALL
    • SubModel: S

    1999-2004 FORD F-550 SUPER DUTY

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

    1996-2002 FORD CROWN VICTORIA

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

    2004-2006 CHEVROLET MALIBU

    • EngineType: ALL
    • SubModel: MAXX LS

    2008-2009 GMC C7500 TOPKICK

    • Liter: 8.1
    • SubModel: C7V042
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    1990-1996 FORD RANGER

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

    1996-1997 GMC C2500 SUBURBAN

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

    1986-1987 CADILLAC FLEETWOOD

    • EngineType: ALL
    • SubModel: 75 FORMAL

    1993-1996 FORD RANGER

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

    1986 CADILLAC DEVILLE

    • EngineType: ALL
    • SubModel: TOURING

    1996-1998 CHEVROLET K3500 PICKUP

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

    1989-1993 BUICK CENTURY

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

    1994 OLDSMOBILE ACHIEVA

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

    2002-2003 OLDSMOBILE ALERO

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

    1985 CADILLAC FLEETWOOD

    • Liter: 4.1
    • SubModel: 75
    • CUI: 250
    • EngineType: V8 ( 4.1 L / 250 )

    1996-1998 CHEVROLET S10 PICKUP

    • Liter: 4.3
    • Aspiration: N
    • SubModel: SS
    • Engine Vin: W
    • CUI: 262
    • EngineType: V6 ( 4.3 L / 262 )

    1997-1998 FORD E-350 ECONOLINE CLUB WAGON

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

    2000-2003 MERCURY SABLE

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

    2006-2010 FORD E-350 SUPER DUTY

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

    1996 CHEVROLET LUMINA APV

    • EngineType: ALL
    • SubModel: ALL

    1998-2000 FORD E-150 ECONOLINE

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

    1996-1997 CHEVROLET C2500 PICKUP

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

    1999 CHEVROLET CAVALIER

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

    1985-1988 CADILLAC FLEETWOOD

    • EngineType: ALL
    • SubModel: BROUGHAM COMMERCIAL CHASSIS

    1995-1997 MERCURY MYSTIQUE

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

    2004-2005 FORD EXPLORER

    • EngineType: ALL
    • SubModel: XLT SPORT

    2008-2009 CHEVROLET C5500 KODIAK

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

    2003-2005 GMC SAVANA 2500

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

    1999 OLDSMOBILE 88

    • EngineType: ALL
    • SubModel: 50TH ANNIVERSARY EDITION

    1995-1999 BUICK RIVIERA

    • EngineType: ALL
    • SubModel: ALL

    1988-1990 OLDSMOBILE 98

    • EngineType: ALL
    • SubModel: REGENCY TOURING

    2008-2009 GMC C5500 TOPKICK

    • Liter: 8.1
    • SubModel: C5E042
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    1998 CHEVROLET C1500 PICKUP

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

    1999 GMC K1500 PICKUP

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

    2000-2001 PONTIAC GRAND AM

    • EngineType: ALL
    • SubModel: SE1

    2003-2004 FORD MUSTANG

    • EngineType: ALL
    • SubModel: GT

    2002-2003 ASTON MARTIN DB7

    • EngineType: ALL
    • SubModel: ALL

    1997 CHEVROLET K2500 PICKUP

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

    1982-1985 CADILLAC ELDORADO

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

    1993 OLDSMOBILE CUTLASS CIERA

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

    1996-2003 GMC SONOMA

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

    2002 FORD F-150

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

    1995-1996 CHEVROLET BERETTA

    • EngineType: ALL
    • SubModel: Z26

    1995-1996 BUICK CENTURY

    • EngineType: ALL
    • SubModel: CUSTOM

    2008-2009 GMC C5500 TOPKICK

    • Liter: 8.1
    • SubModel: C5E044
    • CUI: 496
    • EngineType: V8 ( 8.1 L / 496 )

    1995 CHEVROLET LUMINA

    • EngineType: ALL
    • SubModel: BASE

    2001-2005 GMC SIERRA 2500 HD

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

    1996-2005 CHEVROLET EXPRESS 2500

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

    1992-1993 CHEVROLET K2500 PICKUP

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

    1997-1998 BUICK REGAL

    • EngineType: ALL
    • SubModel: ALL

    1998-2000 FORD CONTOUR

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

    1998 CHEVROLET K1500 PICKUP

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

    1995 FORD MUSTANG

    • EngineType: ALL
    • SubModel: GTS

    1996-1999 GMC C2500 PICKUP

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

    2001-2005 CHEVROLET SILVERADO 2500 HD

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

    1998-2002 CHEVROLET EXPRESS 1500

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

    2004 FORD EXPEDITION

    • EngineType: ALL
    • SubModel: XLT SPORT

    2001 FORD EXPLORER

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

    2003 CHEVROLET S10 PICKUP

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

    2010 FORD RANGER

    • EngineType: ALL
    • SubModel: LIMITED

    2008-2009 CHEVROLET C5500 KODIAK

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

    2001-2005 GMC SIERRA 3500

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

    2000 BUICK PARK AVENUE

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

    1999-2000 CADILLAC SEVILLE

    • EngineType: ALL
    • SubModel: SLS

    1988-1992 PONTIAC BONNEVILLE

    • EngineType: ALL
    • SubModel: ALL

    2008 MERCURY GRAND MARQUIS

    • EngineType: ALL
    • SubModel: LS

    2001-2005 PONTIAC AZTEK

    • EngineType: ALL
    • SubModel: ALL

    1995 FORD CONTOUR

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

    1996-1998 FORD CONTOUR

    • CC: 2540
    • Liter: 2.5
    • SubModel: BASE
    • CUI: 155
    • EngineType: V6 ( 2.5 L / 155 )

    2000-2003 PONTIAC GRAND AM

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

    1999-2000 BUICK REGAL

    • EngineType: ALL
    • SubModel: LS
    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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