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NGK Spark Plugs UR45IX

Iridium IX Spark Plug 14mm x .460" Reach

NGK Spark Plugs UR45IX

739-UR45IX

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Estimated ship date 08/24/17 if Ordered Today
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NGK Spark Plugs UR45IX Iridium IX Spark Plug 14mm x .460" Reach $6.99
Iridium IX Spark Plug
  • 14mm x .460" Reach
  • 5/8" Hex
  • Projected
  • Tapered seat
  • .059" Gap
  • Sold Individually

  • Specifications:

    Manufacturer's Part Number:
    UR45IX

    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 UR45IX fit your vehicle?

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    Aspiration

    1975-1977 PONTIAC GRAND LEMANS

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975-1976 BUICK SKYLARK

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

    1978 BUICK RIVIERA

    • Liter: 5.7
    • SubModel: LXXV ANNIVERSARY EDITION
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980-1981 OLDSMOBILE OMEGA

    • CC: 2474
    • Liter: 2.5
    • SubModel: SX
    • CUI: 151
    • EngineType: L4 ( 2.5 L / 151 )

    1980-1983 CHEVROLET CAPRICE

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

    1976 PONTIAC LEMANS

    • Liter: 7.5
    • SubModel: SPORT
    • CUI: 455
    • EngineType: V8 ( 7.5 L / 455 )

    1980-1983 JEEP CJ5

    • Liter: 2.5
    • SubModel: LAREDO
    • CUI: 151
    • EngineType: L4 ( 2.5 L / 151 )

    1978 MERCURY GRAND MARQUIS

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1980 CHEVROLET CITATION

    • CC: 2474
    • Liter: 2.5
    • SubModel: CUSTOM
    • CUI: 151
    • EngineType: L4 ( 2.5 L / 151 )

    1981 PONTIAC GRAND PRIX

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

    1977 PONTIAC ASTRE

    • CC: 2474
    • Liter: 2.5
    • SubModel: SAFARI
    • CUI: 151
    • EngineType: L4 ( 2.5 L / 151 )

    1985 BUICK CENTURY

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

    1978-1979 BUICK CENTURY

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

    1982 BUICK SKYLARK

    • CC: 2474
    • Liter: 2.5
    • SubModel: SPORT
    • CUI: 151
    • EngineType: L4 ( 2.5 L / 151 )

    1982 PONTIAC FIREBIRD

    • CC: 2474
    • Liter: 2.5
    • SubModel: S/E
    • CUI: 151
    • EngineType: L4 ( 2.5 L / 151 )

    1984-1985 FORD THUNDERBIRD

    • Liter: 5.0
    • SubModel: LX
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1979-1980 PONTIAC LEMANS

    • Liter: 4.9
    • SubModel: BASE
    • CUI: 301
    • EngineType: V8 ( 4.9 L / 301 )

    1984 FORD MUSTANG

    • Liter: 5.0
    • SubModel: GT-350 20TH ANNIVERSARY
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1984-1985 LINCOLN MARK VII

    • Liter: 5.0
    • SubModel: LSC
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1980 FORD GRANADA

    • Liter: 4.2
    • SubModel: ESS
    • CUI: 255
    • EngineType: V8 ( 4.2 L / 255 )

    1978 BUICK LESABRE

    • EngineType: ALL
    • SubModel: SPORT

    1983-1985 MERCURY GRAND MARQUIS

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1982-1983 PONTIAC 6000

    • CC: 2474
    • Liter: 2.5
    • SubModel: BASE
    • CUI: 151
    • EngineType: L4 ( 2.5 L / 151 )

    1978-1979 OLDSMOBILE CUTLASS SUPREME

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

    1995-1996 FORD BRONCO

    • Liter: 5.0
    • SubModel: XLT SPORT
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1977-1978 FORD MUSTANG II

    • Liter: 5.0
    • SubModel: MACH I
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1983-1984 BUICK RIVIERA

    • Liter: 4.1
    • SubModel: LUXURY
    • CUI: 252
    • EngineType: V6 ( 4.1 L / 252 )

    1974 LINCOLN CONTINENTAL

    • EngineType: ALL
    • SubModel: ALL

    1977 OLDSMOBILE OMEGA

    • Liter: 3.8
    • SubModel: DELUXE
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1980-1983 CHEVROLET CITATION

    • CC: 2474
    • Liter: 2.5
    • SubModel: X-11
    • CUI: 151
    • EngineType: L4 ( 2.5 L / 151 )

    1981-1982 MERCURY CAPRI

    • Liter: 4.2
    • SubModel: GS
    • CUI: 255
    • EngineType: V8 ( 4.2 L / 255 )

    1975 PONTIAC LEMANS

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979-1980 PONTIAC CATALINA

    • Liter: 4.9
    • SubModel: SAFARI
    • CUI: 301
    • EngineType: V8 ( 4.9 L / 301 )

    1980-1982 AMERICAN MOTORS CONCORD

    • Liter: 2.5
    • SubModel: DL
    • CUI: 151
    • EngineType: L4 ( 2.5 L / 151 )

    1977-1978 BUICK LESABRE

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

    1989-1996 FORD E-150 ECONOLINE

    • Liter: 5.0
    • SubModel: XL
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1976-1977 BUICK REGAL

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

    1978 MERCURY MARQUIS

    • Liter: 6.6
    • SubModel: BROUGHAM
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1982 FORD LTD

    • Liter: 4.2
    • SubModel: BASE
    • CUI: 255
    • EngineType: V8 ( 4.2 L / 255 )

    1984-1985 FORD LTD

    • Liter: 5.0
    • SubModel: BROUGHAM
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1985 OLDSMOBILE 98

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

    1975 PONTIAC VENTURA

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

    1978-1981 CHEVROLET MALIBU

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

    1980 OLDSMOBILE CUTLASS

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

    1977 MERCURY GRAND MARQUIS

    • EngineType: ALL
    • SubModel: ALL

    1985 BUICK ELECTRA

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

    1981-1983 AMERICAN MOTORS EAGLE

    • Liter: 2.5
    • SubModel: DL SX4
    • CUI: 151
    • EngineType: L4 ( 2.5 L / 151 )

    1978-1979 OLDSMOBILE OMEGA

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

    1982-1983 PONTIAC GRAND PRIX

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

    1977 PONTIAC FIREBIRD

    • Liter: 3.8
    • SubModel: ESPRIT
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1981 BUICK REGAL

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

    1981-1982 FORD THUNDERBIRD

    • Liter: 4.2
    • SubModel: HERITAGE
    • CUI: 255
    • EngineType: V8 ( 4.2 L / 255 )

    1977 OLDSMOBILE OMEGA

    • Liter: 3.8
    • SubModel: BROUGHAM
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1978 OLDSMOBILE OMEGA

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

    1982 MERCURY CAPRI

    • Liter: 4.2
    • SubModel: BLACK MAGIC
    • CUI: 255
    • EngineType: V8 ( 4.2 L / 255 )

    1993 FORD BRONCO

    • Liter: 5.0
    • SubModel: XLT LARIAT
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1980-1984 CHEVROLET EL CAMINO

    • Liter: 3.8
    • SubModel: BASE
    • CUI: 229
    • EngineType: V6 ( 3.8 L / 229 )

    1982 FORD MUSTANG

    • Liter: 4.2
    • SubModel: GLX
    • CUI: 255
    • EngineType: V8 ( 4.2 L / 255 )

    1974 LINCOLN MARK IV

    • EngineType: ALL
    • SubModel: ALL

    1981 MERCURY COUGAR

    • Liter: 4.2
    • SubModel: BASE
    • CUI: 255
    • EngineType: V8 ( 4.2 L / 255 )

    1978-1987 BUICK REGAL

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

    1977 OLDSMOBILE CUTLASS SUPREME

    • Liter: 3.8
    • SubModel: BROUGHAM
    • CUI: 231
    • EngineType: V6 ( 3.8 L / 231 )

    1984-1985 LINCOLN CONTINENTAL

    • Liter: 5.0
    • SubModel: VALENTINO
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1984-1985 FORD THUNDERBIRD

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1980-1983 CHEVROLET MALIBU

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

    1989 FORD BRONCO

    • Liter: 5.0
    • SubModel: EDDIE BAUER
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1980-1982 CHECKER MARATHON

    • Liter: 4.4
    • SubModel: DELUXE
    • CUI: 267
    • EngineType: V8 ( 4.4 L / 267 )

    1983 LINCOLN CONTINENTAL

    • EngineType: ALL
    • SubModel: ALL

    1976 BUICK SKYLARK

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

    1989-1992 FORD F-250

    • Liter: 5.0
    • SubModel: XLT LARIAT
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1975-1978 PONTIAC BONNEVILLE

    • EngineType: ALL
    • SubModel: ALL

    1980-1981 CHEVROLET CAMARO

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

    1989-1991 FORD E-150 ECONOLINE

    • Liter: 5.0
    • SubModel: CUSTOM
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1977-1980 LINCOLN CONTINENTAL

    • EngineType: ALL
    • SubModel: ALL

    1991-1992 MERCURY COUGAR

    • EngineType: ALL
    • SubModel: XR-7

    1981-1982 CADILLAC SEVILLE

    • Liter: 4.1
    • SubModel: ELEGANTE
    • CUI: 252
    • EngineType: V6 ( 4.1 L / 252 )

    1980 GMC CABALLERO

    • Liter: 3.8
    • SubModel: LAREDO
    • CUI: 229
    • EngineType: V6 ( 3.8 L / 229 )

    1981 PONTIAC FIREBIRD

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

    1985 OLDSMOBILE CUTLASS CIERA

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

    1991-1996 FORD BRONCO

    • Liter: 5.0
    • SubModel: XL
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1995-1996 FORD F-250

    • Liter: 5.0
    • SubModel: SPECIAL
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1977 BUICK ELECTRA

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

    1977 PONTIAC FIREBIRD

    • Liter: 4.9
    • SubModel: FORMULA
    • CUI: 301
    • EngineType: V8 ( 4.9 L / 301 )

    1982 BUICK SKYLARK

    • CC: 2474
    • Liter: 2.5
    • SubModel: LIMITED
    • CUI: 151
    • EngineType: L4 ( 2.5 L / 151 )

    1978-1979 BUICK SKYLARK

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

    1980 CHEVROLET IMPALA

    • Liter: 3.8
    • SubModel: SPORT
    • CUI: 229
    • EngineType: V6 ( 3.8 L / 229 )

    1980 BUICK LESABRE

    • EngineType: ALL
    • SubModel: LIMITED

    1977 PONTIAC SUNBIRD

    • CC: 2474
    • Liter: 2.5
    • SubModel: BASE
    • CUI: 151
    • EngineType: L4 ( 2.5 L / 151 )

    1981 PONTIAC LEMANS

    • Liter: 4.3
    • SubModel: SAFARI
    • CUI: 265
    • EngineType: V8 ( 4.3 L / 265 )

    1977 PONTIAC LEMANS

    • Liter: 4.9
    • SubModel: BASE
    • CUI: 301
    • EngineType: V8 ( 4.9 L / 301 )

    1977 PONTIAC GRAND SAFARI

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 403
    • EngineType: V8 ( 6.6 L / 403 )

    1985 BUICK LESABRE

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

    1979-1980 PONTIAC GRAND PRIX

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

    1977 FORD RANCHERO

    • Liter: 5.0
    • SubModel: GT
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1982-1985 BUICK LESABRE

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

    1995 FORD BRONCO

    • EngineType: ALL
    • SubModel: EDDI BAUER

    1980-1982 CADILLAC DEVILLE

    • Liter: 4.1
    • SubModel: CABRIOLET
    • CUI: 252
    • EngineType: V6 ( 4.1 L / 252 )

    1982-1987 OLDSMOBILE CUTLASS SUPREME

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

    1980-1981 BUICK CENTURY

    • Liter: 4.3
    • SubModel: BASE
    • CUI: 265
    • EngineType: V8 ( 4.3 L / 265 )

    1983-1985 MERCURY COUGAR

    • Liter: 5.0
    • SubModel: LS
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )
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