800.345.4545
Call Our Support Line
24 Hours / 7 Days a Week!  
FREE SHIPPING!
Same Day Shipping Before 11 PM ET
0
My Cart
0
$0.00
Shop By Vehicle
Shop By
Category
Close Menu
Shop By Vehicle
Top Categories
All Categories

Top Categories

All Categories


Free Catalog
E-Mail Signup
My Account
Track Order
Gift Certificates
Rebates
Help

NGK Spark Plugs WR5IX

Iridium IX Spark Plug 18mm x .460" Reach

NGK Spark Plugs WR5IX

739-WR5IX

jegs shipping
Ships
Easy Returns
Easy Returns
Lowest Price Guarantee
Lowest Price Guarantee
NGK Spark Plugs WR5IX Iridium IX Spark Plug 18mm x .460" Reach $5.99
Iridium IX Spark Plug
  • 18mm x .460" Reach
  • 13/16" Hex
  • Projected
  • Tapered seat
  • Sold Individually

  • Specifications:

    Manufacturer's Part Number:
    WR5IX

    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 WR5IX fit your vehicle?

    Narrow Results
    Filter By
    Year
    Filter By
    Make
    Filter By
    Model
    Filter By
    SubModel
    Filter By
    EngineType
    Filter By
    CC
    Filter By
    Liter
    Filter By
    Aspiration

    1975-1976 FORD F-250

    • Liter: 6.4
    • SubModel: RANGER
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1967 MERCURY MARQUIS

    • CC: 7014
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1975-1977 MERCURY MONARCH

    • Liter: 4.1
    • SubModel: GHIA
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1975-1981 FORD E-250 ECONOLINE

    • CC: 4917
    • Liter: 4.9
    • SubModel: CUSTOM
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1995 DODGE RAM 3500

    • EngineType: ALL
    • SubModel: CUSTOM

    1957-1959 FORD RANCHERO

    • Liter: 3.6
    • SubModel: BASE
    • CUI: 223
    • EngineType: L6 ( 3.6 L / 223 )

    1969-1971 FORD MUSTANG

    • EngineType: ALL
    • SubModel: BOSS 302

    1971-1974 MERCURY MONTEGO

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1958-1959 FORD SKYLINER

    • CC: 5441
    • Liter: 5.4
    • SubModel: BASE
    • CUI: 332
    • EngineType: V8 ( 5.4 L / 332 )

    1968-1969 FORD GALAXIE 500

    • CC: 7014
    • Liter: 7.0
    • SubModel: XL
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1982 FORD F-150

    • CC: 4917
    • Liter: 4.9
    • SubModel: XLT LARIAT
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1955 FORD COURIER SEDAN DELIVERY

    • Liter: 3.6
    • SubModel: BASE
    • CUI: 223
    • EngineType: L6 ( 3.6 L / 223 )

    1969-1970 FORD COUNTRY SEDAN

    • CC: 3933
    • Liter: 3.9
    • SubModel: BASE
    • CUI: 240
    • EngineType: L6 ( 3.9 L / 240 )

    1975 FORD F-100

    • CC: 6391
    • Liter: 6.4
    • SubModel: RANGER
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1961 FORD GALAXIE

    • CC: 5769
    • Liter: 5.8
    • SubModel: TOWN VICTORIA
    • CUI: 352
    • EngineType: V8 ( 5.8 L / 352 )

    1967 FORD LTD

    • CC: 6392
    • Liter: 6.4
    • SubModel: BASE
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1968 FORD TORINO

    • CC: 4949
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1972-1974 FORD TORINO

    • CC: 4949
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1978 FORD F-350

    • CC: 4917
    • Liter: 4.9
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: B
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1963-1964 FORD RANCH WAGON

    • CC: 4261
    • Liter: 4.3
    • SubModel: BASE
    • CUI: 260
    • EngineType: V8 ( 4.3 L / 260 )

    1968 FORD BRONCO

    • EngineType: ALL
    • SubModel: WAGON

    1970-1973 MERCURY MONTEREY

    • CC: 7030
    • Liter: 7.0
    • SubModel: CUSTOM
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1963-1964 FORD FALCON SEDAN DELIVERY

    • Liter: 4.3
    • SubModel: BASE
    • CUI: 260
    • EngineType: V8 ( 4.3 L / 260 )

    1973 FORD BRONCO

    • EngineType: ALL
    • SubModel: WAGON

    1966-1967 FORD RANCH WAGON

    • CC: 3277
    • Liter: 3.3
    • SubModel: BASE
    • CUI: 200
    • EngineType: L6 ( 3.3 L / 200 )

    1967 FORD MUSTANG

    • EngineType: ALL
    • SubModel: BASE

    1972-1973 FORD P-350 VAN

    • Liter: 6.4
    • SubModel: BASE
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1970 FORD GALAXIE 500

    • CC: 7014
    • Liter: 7.0
    • SubModel: XL
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1965 MERCURY CYCLONE

    • CC: 6997
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1972-1973 MERCURY MONTEGO

    • CC: 5753
    • Liter: 5.8
    • SubModel: GT
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1958-1959 FORD FAIRLANE

    • CC: 5441
    • Liter: 5.4
    • SubModel: BASE
    • CUI: 332
    • EngineType: V8 ( 5.4 L / 332 )

    1967-1968 MERCURY COUGAR

    • EngineType: ALL
    • SubModel: ALL

    1968 FORD COUNTRY SQUIRE

    • CC: 6997
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1975-1977 FORD MAVERICK

    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1962-1963 FORD FAIRLANE

    • Liter: 3.6
    • SubModel: 500
    • CUI: 221
    • EngineType: V8 ( 3.6 L / 221 )

    1958-1961 FORD FAIRLANE

    • CC: 4786
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: V8 ( 4.8 L / 292 )

    1964 MERCURY MONTCLAIR

    • CC: 6391
    • Liter: 6.4
    • SubModel: BASE
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1968 FORD TORINO

    • CC: 6391
    • Liter: 6.4
    • SubModel: BASE
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1964-1967 MERCURY CALIENTE

    • CC: 4727
    • Liter: 4.7
    • SubModel: BASE
    • CUI: 289
    • EngineType: V8 ( 4.7 L / 289 )

    1974 FORD MUSTANG II

    • CC: 1993
    • Liter: 2.0
    • SubModel: 2+2
    • CUI: 122
    • EngineType: L4 ( 2.0 L / 122 )

    1962-1964 MERCURY COMET

    • CC: 2786
    • Liter: 2.8
    • SubModel: BASE
    • CUI: 170
    • EngineType: L6 ( 2.8 L / 170 )

    1965 FORD MUSTANG

    • CC: 4727
    • Liter: 4.7
    • SubModel: BASE
    • CUI: 289
    • EngineType: V8 ( 4.7 L / 289 )

    1961 FORD GALAXIE

    • CC: 3655
    • Liter: 3.6
    • SubModel: STARLINER
    • CUI: 223
    • EngineType: L6 ( 3.6 L / 223 )

    1975-1976 FORD F-250

    • Liter: 5.9
    • SubModel: RANGER
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1963 MERCURY COUNTRY CRUISER

    • CC: 3277
    • Liter: 3.3
    • SubModel: BASE
    • CUI: 200
    • EngineType: L6 ( 3.3 L / 200 )

    1974 MERCURY MONTEGO

    • CC: 4097
    • Liter: 4.1
    • SubModel: MX BROUGHAM
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1965-1966 MERCURY PARK LANE

    • EngineType: ALL
    • SubModel: ALL

    1955-1956 FORD FAIRLANE

    • CC: 3655
    • Liter: 3.6
    • SubModel: BASE
    • CUI: 223
    • EngineType: L6 ( 3.6 L / 223 )

    1983 FORD F-250

    • CC: 4917
    • Liter: 4.9
    • SubModel: XL
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1966 FORD F-350

    • CC: 5769
    • Liter: 5.8
    • SubModel: BASE
    • CUI: 352
    • EngineType: V8 ( 5.8 L / 352 )

    1975 FORD P-500 VAN

    • EngineType: ALL
    • SubModel: CUSTOM

    1955-1959 MERCURY MONTCLAIR

    • EngineType: ALL
    • SubModel: ALL

    1969 FORD THUNDERBIRD

    • CC: 7030
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1974 FORD M-450 PICKUP

    • Liter: 5.9
    • SubModel: BASE
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1984-1985 FORD F-350

    • CC: 4917
    • Liter: 4.9
    • SubModel: BASE
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1975-1981 FORD F-250

    • CC: 4917
    • Liter: 4.9
    • SubModel: RANGER
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1986 FORD F-350

    • CC: 4917
    • Liter: 4.9
    • SubModel: XLT LARIAT
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1975-1981 FORD F-100

    • CC: 4917
    • Liter: 4.9
    • SubModel: RANGER
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1972-1974 FORD CUSTOM 500

    • CC: 5753
    • Liter: 5.8
    • SubModel: BASE
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1983 FORD LTD

    • Liter: 3.3
    • SubModel: BROUGHAM
    • CUI: 200
    • EngineType: L6 ( 3.3 L / 200 )

    1978-1980 FORD GRANADA

    • Liter: 4.1
    • SubModel: ESS
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1958-1959 FORD COUNTRY SQUIRE

    • CC: 5441
    • Liter: 5.4
    • SubModel: BASE
    • CUI: 332
    • EngineType: V8 ( 5.4 L / 332 )

    1969 MERCURY CYCLONE

    • CC: 5752
    • Liter: 5.8
    • SubModel: CJ
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1962-1963 MERCURY METEOR

    • EngineType: ALL
    • SubModel: CUSTOM

    1969 MERCURY COMET

    • CC: 5753
    • Liter: 5.8
    • SubModel: BASE
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1968-1969 FORD COUNTRY SEDAN

    • CC: 4949
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1962-1963 FORD FAIRLANE

    • CC: 3622
    • Liter: 3.6
    • SubModel: BASE
    • CUI: 221
    • EngineType: V8 ( 3.6 L / 221 )

    1983 FORD LTD

    • Liter: 3.3
    • SubModel: BASE
    • CUI: 200
    • EngineType: L6 ( 3.3 L / 200 )

    1962-1964 FORD FAIRLANE

    • CC: 4261
    • Liter: 4.3
    • SubModel: BASE
    • CUI: 260
    • EngineType: V8 ( 4.3 L / 260 )

    1969 MERCURY CYCLONE

    • CC: 5752
    • Liter: 5.8
    • SubModel: CJ
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1967 FORD GALAXIE

    • CC: 3933
    • Liter: 3.9
    • SubModel: BASE
    • CUI: 240
    • EngineType: L6 ( 3.9 L / 240 )

    1970 FORD TORINO

    • CC: 7014
    • Liter: 7.0
    • SubModel: GT
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1984-1986 FORD E-150 ECONOLINE CLUB WAGON

    • CC: 4917
    • Liter: 4.9
    • SubModel: BASE
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1968-1972 FORD P-350 VAN

    • CC: 3933
    • Liter: 3.9
    • SubModel: BASE
    • CUI: 240
    • EngineType: L6 ( 3.9 L / 240 )

    1983 FORD E-150 ECONOLINE

    • CC: 4917
    • Liter: 4.9
    • SubModel: CUSTOM
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1968 FORD FAIRLANE

    • CC: 3278
    • Liter: 3.3
    • SubModel: BASE
    • CUI: 200
    • EngineType: L6 ( 3.3 L / 200 )

    1971-1974 MERCURY MONTEGO

    • CC: 4949
    • Liter: 5.0
    • SubModel: MX BROUGHAM
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1972-1974 FORD GRAN TORINO

    • CC: 5753
    • Liter: 5.8
    • SubModel: SQUIRE
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1975-1976 FORD F-250

    • Liter: 5.9
    • SubModel: NORTHLAND
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1958-1959 FORD CUSTOM 300

    • CC: 4786
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: V8 ( 4.8 L / 292 )

    1968 FORD TORINO

    • CC: 6997
    • Liter: 7.0
    • SubModel: GT
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1965-1966 FORD F-350

    • CC: 3933
    • Liter: 3.9
    • SubModel: BASE
    • CUI: 240
    • EngineType: L6 ( 3.9 L / 240 )

    1969-1972 FORD COUNTRY SQUIRE

    • CC: 7030
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1955-1957 FORD RANCH WAGON

    • CC: 4458
    • Liter: 4.4
    • SubModel: BASE
    • CUI: 272
    • EngineType: V8 ( 4.4 L / 272 )

    1960 FORD STARLINER

    • EngineType: ALL
    • SubModel: ALL

    1975-1976 FORD F-150

    • Liter: 6.4
    • SubModel: RANGER
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1975-1976 FORD F-100

    • Liter: 5.9
    • SubModel: NORTHLAND
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1983 FORD F-350

    • CC: 4917
    • Liter: 4.9
    • SubModel: XLT
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1982 FORD F-250

    • CC: 4917
    • Liter: 4.9
    • SubModel: XLT LARIAT
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1964 FORD RANCH WAGON

    • CC: 2786
    • Liter: 2.8
    • SubModel: BASE
    • CUI: 170
    • EngineType: L6 ( 2.8 L / 170 )

    1955-1957 FORD COUNTRY SEDAN

    • CC: 4458
    • Liter: 4.4
    • SubModel: BASE
    • CUI: 272
    • EngineType: V8 ( 4.4 L / 272 )

    1995 DODGE RAM 3500

    • Liter: 5.9
    • SubModel: BASE
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1970 FORD TORINO

    • CC: 5753
    • Liter: 5.8
    • SubModel: GT
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1958-1959 FORD SUNLINER

    • CC: 5769
    • Liter: 5.8
    • SubModel: BASE
    • CUI: 352
    • EngineType: V8 ( 5.8 L / 352 )

    1957-1958 FORD FAIRLANE

    • Liter: 3.7
    • SubModel: 500
    • CUI: 223
    • EngineType: L6 ( 3.7 L / 223 )

    1986 FORD F-250

    • CC: 4917
    • Liter: 4.9
    • SubModel: XL
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1986 FORD E-250 ECONOLINE

    • CC: 4917
    • Liter: 4.9
    • SubModel: XL
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1972 MERCURY MONTEGO

    • CC: 4098
    • Liter: 4.1
    • SubModel: VILLAGER
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1964 FORD COUNTRY SQUIRE

    • CC: 6997
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1968-1969 MERCURY COMET

    • CC: 4949
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )
    Items You Need

    Before you leave us... Receive a free catalog or join our email list

    Sign up to receive our catalog or subscribe to our email list now to see our exclusive email only specials, new products, and offers!

    Request CatalogJoin Email List