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NGK Spark Plugs TR5-1IX

Iridium IX Spark Plug 14mm x .807" Reach

NGK Spark Plugs TR5-1IX

739-TR5-1IX

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Estimated ship date 11/28/17 if Ordered Today
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Easy Returns
Lowest Price Guarantee
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NGK Spark Plugs TR5-1IX Iridium IX Spark Plug 14mm x .807" Reach $5.99
Iridium IX Spark Plug
  • 14mm x .807" Reach
  • 5/8" Hex
  • Extended projection
  • Tapered seat
  • Sold Individually

  • Specifications:

    Manufacturer's Part Number:
    TR5-1IX

    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 TR5-1IX fit your vehicle?

    Narrow Results

    1985-1986 FORD ESCORT

    • Liter: 1.9
    • SubModel: L
    • CUI: 116
    • EngineType: L4 ( 1.9 L / 116 )

    1983 FORD MUSTANG

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

    1984 FORD ESCORT

    • CC: 1598
    • Liter: 1.6
    • SubModel: LX
    • CUI: 98
    • EngineType: L4 ( 1.6 L / 98 )

    1984 FORD THUNDERBIRD

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

    1983 FORD MUSTANG

    • EngineType: ALL
    • SubModel: TURBO GT

    1983 MERCURY ZEPHYR

    • Liter: 2.3
    • SubModel: Z7
    • CUI: 140
    • EngineType: L4 ( 2.3 L / 140 )

    1983-1985 FORD EXP

    • EngineType: ALL
    • SubModel: ALL

    1988 FORD EXP

    • EngineType: ALL
    • SubModel: ALL

    2005-2007 FORD F-150

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

    2003 FORD F-150

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

    1996 BUICK CENTURY

    • CC: 2190
    • Liter: 2.2
    • SubModel: LIMITED
    • CUI: 134
    • EngineType: L4 ( 2.2 L / 134 )

    1984 MERCURY LYNX

    • CC: 1598
    • Liter: 1.6
    • SubModel: BASE
    • CUI: 98
    • EngineType: L4 ( 1.6 L / 98 )

    1984-1985 FORD ESCORT

    • CC: 1598
    • Liter: 1.6
    • SubModel: BASE
    • CUI: 98
    • EngineType: L4 ( 1.6 L / 98 )

    1986 FORD ESCORT

    • Liter: 1.9
    • SubModel: LX
    • CUI: 116
    • EngineType: L4 ( 1.9 L / 116 )

    1984 FORD THUNDERBIRD

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

    1984 FORD THUNDERBIRD

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

    1988-1990 FORD ESCORT

    • EngineType: ALL
    • SubModel: ALL

    1984 FORD THUNDERBIRD

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

    1983-1984 MERCURY COUGAR

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

    1983-1984 FORD RANGER

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

    1983-1984 FORD MUSTANG

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

    1986-1987 FORD AEROSTAR

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

    1983 FORD ESCORT

    • EngineType: ALL
    • SubModel: LX

    1985-1987 MERCURY LYNX

    • Liter: 1.9
    • SubModel: GS
    • CUI: 116
    • EngineType: L4 ( 1.9 L / 116 )

    1983 MERCURY ZEPHYR

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

    1985-1987 FORD ESCORT

    • Liter: 1.9
    • SubModel: GL
    • CUI: 116
    • EngineType: L4 ( 1.9 L / 116 )

    1985 FORD ESCORT

    • EngineType: ALL
    • SubModel: LX

    1984 FORD MUSTANG

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

    1983 FORD FAIRMONT

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

    1983-1984 FORD RANGER

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

    1986-1987 FORD ESCORT

    • EngineType: ALL
    • SubModel: PONY

    1983 MERCURY ZEPHYR

    • Liter: 2.3
    • SubModel: Z7 GS
    • CUI: 140
    • EngineType: L4 ( 2.3 L / 140 )

    1985 MERCURY LYNX

    • Liter: 1.9
    • SubModel: GL
    • CUI: 116
    • EngineType: L4 ( 1.9 L / 116 )

    1983-1985 FORD LTD

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

    1986 FORD EXP

    • Liter: 1.9
    • SubModel: LUXURY
    • CUI: 116
    • EngineType: L4 ( 1.9 L / 116 )

    1984 MERCURY LYNX

    • CC: 1598
    • Liter: 1.6
    • SubModel: GS
    • CUI: 98
    • EngineType: L4 ( 1.6 L / 98 )

    1984 FORD THUNDERBIRD

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

    1984 MERCURY LYNX

    • EngineType: ALL
    • SubModel: LTS

    1983 FORD FAIRMONT

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

    1986-1987 FORD AEROSTAR

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

    1983 MERCURY ZEPHYR

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

    1984-1985 FORD ESCORT

    • EngineType: ALL
    • SubModel: GT TURBO

    2003 FORD F-150

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

    1985-1986 MERCURY LYNX

    • Liter: 1.9
    • SubModel: BASE
    • CUI: 116
    • EngineType: L4 ( 1.9 L / 116 )

    1983 FORD ESCORT

    • EngineType: ALL
    • SubModel: BASE

    2005-2007 FORD F-150

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

    1986-1987 FORD AEROSTAR

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

    1985 MERCURY LYNX

    • Liter: 1.9
    • SubModel: XR3
    • CUI: 116
    • EngineType: L4 ( 1.9 L / 116 )

    1983 FORD ESCORT

    • EngineType: ALL
    • SubModel: GLX

    1983-1986 MERCURY CAPRI

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

    1985-1987 MERCURY LYNX

    • Liter: 1.9
    • SubModel: L
    • CUI: 116
    • EngineType: L4 ( 1.9 L / 116 )

    1983 MERCURY LN7

    • EngineType: ALL
    • SubModel: ALL

    1984 FORD MUSTANG

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

    2003 FORD E-150 ECONOLINE

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

    1986 FORD LTD

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

    2004 FORD F-150 HERITAGE

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

    1984 MERCURY CAPRI

    • EngineType: ALL
    • SubModel: RS TURBO

    1983 MERCURY CAPRI

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

    1983 MERCURY MARQUIS

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

    1983 MERCURY CAPRI

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

    1988 FORD RANGER

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

    1985-1986 FORD RANGER

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

    1988 FORD RANGER

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

    1984 FORD LTD

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

    2003 FORD E-250 ECONOLINE

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

    1985 FORD ESCORT

    • CC: 1598
    • Liter: 1.6
    • SubModel: L
    • CUI: 98
    • EngineType: L4 ( 1.6 L / 98 )

    1983 FORD RANGER

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

    1985-1987 FORD RANGER

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

    1984 FORD LTD

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

    1986-1987 FORD RANGER

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

    1984 MERCURY LYNX

    • CC: 1598
    • Liter: 1.6
    • SubModel: GL
    • CUI: 98
    • EngineType: L4 ( 1.6 L / 98 )

    1984 MERCURY LYNX

    • EngineType: ALL
    • SubModel: LS

    2005-2007 FORD F-150

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

    1983 MERCURY CAPRI

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

    1985-1986 FORD RANGER

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

    2004 FORD F-150 HERITAGE

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

    2003 FORD E-150 ECONOLINE

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

    1984 FORD RANGER

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

    1983-1984 MERCURY COUGAR

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

    1983-1985 FORD LTD

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

    1987 FORD RANGER

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

    1983 MERCURY MARQUIS

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

    1988 FORD RANGER

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

    1984 MERCURY LYNX

    • CC: 1598
    • Liter: 1.6
    • SubModel: RS
    • CUI: 98
    • EngineType: L4 ( 1.6 L / 98 )

    1984-1986 MERCURY MARQUIS

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

    1984 FORD MUSTANG

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

    1984 FORD MUSTANG

    • Liter: 2.3
    • SubModel: GT-350 20TH ANNIVERSARY
    • CUI: 140
    • EngineType: L4 ( 2.3 L / 140 )

    1983 MERCURY CAPRI

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

    1986-1987 MERCURY LYNX

    • EngineType: ALL
    • SubModel: XR3

    1983 FORD ESCORT

    • EngineType: ALL
    • SubModel: GL

    1987 FORD EXP

    • EngineType: ALL
    • SubModel: LUXURY

    1984-1990 FORD MUSTANG

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

    1983 FORD MUSTANG

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

    1996 BUICK CENTURY

    • CC: 2190
    • Liter: 2.2
    • SubModel: SPECIAL
    • CUI: 134
    • EngineType: L4 ( 2.2 L / 134 )

    1984-1985 FORD ESCORT

    • CC: 1598
    • Liter: 1.6
    • SubModel: GL
    • CUI: 98
    • EngineType: L4 ( 1.6 L / 98 )

    1985 FORD RANGER

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

    1983-1984 FORD RANGER

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

    1986-1987 FORD RANGER

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

    1984-1986 MERCURY MARQUIS

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

    1983-1987 FORD ESCORT

    • EngineType: ALL
    • SubModel: GT
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