NGK Iridium IX Spark Plug Box of 4 (XR4IX)
SKU 7189
MPN ngk7189
$90.60 · Available to order
NGK Iridium IX Spark Plug Box of 4 (XR4IX)
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.
| Years | Make | Model | Submodel | Drive |
|---|---|---|---|---|
| 1964–1966 | Pontiac | GTO | Base | — |
| 1957–1961 | Chrysler | Windsor | Base | — |
| 1971 | Pontiac | LeMans | T37 | — |
| 1967–1968 | Pontiac | Tempest | Custom | — |
| 1959–1962 | Buick | Electra | 225 | — |
| 1964–1968 | Chevrolet | Chevelle | SS | — |
| 1950–1952 | Cadillac | Series 75 Fleetwood | Base | — |
| 1959–1963 | Buick | Invicta | Base | — |
| 1968–1970 | Dodge | Coronet | Super Bee | — |
| 1975–1977 | Dodge | Royal Monaco | Brougham | — |
| 1972 | Chrysler | New Yorker | Brougham | — |
| 1965 | Buick | LeSabre | Custom | — |
| 1967–1970 | Dodge | Coronet | R/T | — |
| 1968–1974 | Dodge | D200 Pickup | Base | — |
| 1953–1958 | Buick | Roadmaster | Base | — |
| 1974 | Dodge | Monaco | Brougham | — |
| 1971 | Pontiac | Grand Safari | Base | — |
| 1967 | Cadillac | Fleetwood | 60 Special | — |
| 1962–1966 | Plymouth | Fury | Sport | — |
| 1957–1963 | Chrysler | Town & Country | Base | — |
| 1961 | Pontiac | Tempest | Base | — |
| 1963–1964 | Plymouth | Savoy | Base | — |
| 1967 | Dodge | D200 Series | Base | — |
| 1954–1961 | Dodge | Custom | Base | — |
| 1977–1978 | Dodge | Monaco | Crestwood | — |
| 1968–1971 | Oldsmobile | Delta 88 | Custom | — |
| 1967 | Cadillac | Fleetwood | Brougham | — |
| 1958–1968 | Chevrolet | Biscayne | Base | — |
| 1963–1968 | Chevrolet | Chevy II | Nova | — |
| 1964–1972 | Oldsmobile | F85 | Base | — |
| 1970 | Chevrolet | Nova | Base | — |
| 1960 | Chevrolet | Biscayne | Fleetmaster | — |
| 1970–1971 | Pontiac | LeMans | Sport | — |
| 1969–1971 | Dodge | Charger | 500 | — |
| 1962–1963 | Buick | Special | Base | — |
| 1970–1971 | Oldsmobile | 442 | Base | — |
| 1959–1960 | Chrysler | Newport | Base | — |
| 1967 | Dodge | W100 Series | Base | — |
| 1967–1972 | Chrysler | Town & Country | Base | — |
| 1959–1970 | Chrysler | Imperial | Crown | — |
| 1968–1969 | Plymouth | Satellite | Sport | — |
| 1966–1971 | Jeep | CJ5 | Base | — |
| 1971 | Dodge | Coronet | Brougham | — |
| 1968 | Chevrolet | Chevelle | Nomad | — |
| 1966–1967 | Jeep | Commando | Base | — |
| 1958 | Buick | Limited | Base | — |
| 1966–1968 | Jeep | DJ6 | Base | — |
| 1955–1966 | Plymouth | Belvedere | Base | — |
| 1966 | Jeep | FC170 | Base | — |
| 1967–1970 | Pontiac | Executive | Base | — |
| 1962–1970 | Pontiac | Catalina | Ventura | — |
| 1966 | Oldsmobile | F85 | Holiday | — |
| 1965–1967 | Buick | Special | Deluxe | — |
| 1971 | Pontiac | Grandville | Base | — |
| 1968 | Chevrolet | Chevelle | Malibu | — |
| 1967–1970 | Pontiac | Executive | Safari | — |
| 1968 | Chevrolet | El Camino | Custom | — |
| 1970 | Dodge | Polara | Special | — |
| 1969–1970 | Pontiac | LeMans | Safari | — |
| 1951–1958 | Buick | Special | Base | — |
| 1964–1968 | Chevrolet | Chevelle | Base | — |
| 1967 | Cadillac | DeVille | Base | — |
| 1969–1971 | Dodge | W200 Pickup | Base | — |
| 1960–1961 | Pontiac | Ventura | Base | — |
| 1965 | Buick | Wildcat | Deluxe | — |
| 1971–1974 | Oldsmobile | Cutlass Supreme | Base | — |
| 1967–1968 | Dodge | Monaco | 500 | — |
| 1971–1974 | Oldsmobile | Custom Cruiser | Base | — |
| 1952 | Cadillac | Series 62 | Base | — |
| 1974 | Dodge | Monaco | Custom | — |
| 1970–1971 | Pontiac | GTO | Base | — |
| 1974 | Dodge | B200 Van | Sportsman | — |
| 1950–1968 | Chevrolet | Bel Air | Base | — |
| 1974 | Dodge | B200 Van | Maxi | — |
| 1967 | Cadillac | Eldorado | Base | — |
| 1966 | Jeep | CJ3 | Base | — |
| 1960–1966 | Plymouth | Fury | Base | — |
| 1971 | Dodge | Charger | Super Bee | — |
| 1970–1971 | Dodge | Challenger | Base | — |
| 1975–1977 | Chrysler | Town & Country | Base | — |
| 1965–1966 | Dodge | Coronet | Base | — |
| 1971–1976 | Dodge | Coronet | Crestwood | — |
| 1959–1966 | Pontiac | Star Chief | Base | — |
| 1963–1964 | Dodge | 440 | Base | — |
| 1975–1976 | Dodge | Monaco | Royal | — |
| 1969–1974 | Oldsmobile | Delta 88 | Royale | — |
| 1961 | Pontiac | Tempest | LeMans | — |
| 1967–1968 | Chevrolet | Chevelle | Concours | — |
| 1973–1974 | Oldsmobile | 98 | Regency | — |
| 1967–1974 | Dodge | Charger | Base | — |
| 1968–1974 | Oldsmobile | Delta 88 | Base | — |
| 1965–1970 | Dodge | Coronet | 440 | — |
| 1959–1965 | Buick | LeSabre | Base | — |
| 1959–1972 | Chrysler | New Yorker | Base | — |
| 1967 | Dodge | D300 Series | Base | — |
| 1959–1967 | Chevrolet | Impala | Base | — |
| 1968–1974 | Oldsmobile | Cutlass | Base | — |
| 1971 | Dodge | B200 Van | Sportsman | — |
| 1959–1962 | Pontiac | Bonneville | Custom | — |
| 1965–1967 | Buick | Sportwagon | Base | — |
| 1968–1975 | Oldsmobile | Vista Cruiser | Base | — |
| 1962–1965 | Dodge | 880 | Custom | — |
| 1975–1976 | Dodge | Monaco | Royal Brougham | — |
| 1965–1970 | Dodge | Coronet | 500 | — |
| 1964 | Chevrolet | Impala | SS | — |
| 1967 | Chevrolet | Camaro | RS | — |
| 1975–1978 | Chrysler | Cordoba | Base | — |
| 1963–1968 | Pontiac | Tempest | Base | — |
| 1968–1969 | Chrysler | 300 | Base | — |
| 1967 | Cadillac | Fleetwood | 75 | — |
| 1959–1971 | Pontiac | Bonneville | Base | — |
| 1952 | Cadillac | Series 62 | DeVille | — |
| 1967–1968 | Chevrolet | Chevelle | 300 Deluxe | — |
| 1971–1974 | Oldsmobile | Toronado | Brougham | — |
| 1973–1974 | Oldsmobile | Omega | Base | — |
| 1966 | Jeep | FC150 | Base | — |
| 1957 | Buick | Roadmaster | 75 | — |
| 1959–1971 | Pontiac | Catalina | Safari | — |
| 1959–1960 | Chrysler | Imperial | LeBaron | — |
| 1965 | Buick | Gran Sport | Base | — |
| 1967–1968 | Pontiac | Firebird | HO | — |
| 1966–1971 | Jeep | Jeepster | Commando | — |
| 1966–1970 | Jeep | DJ5 | Base | — |
| 1967–1976 | Chrysler | Newport | Custom | — |
| 1962–1963 | Chrysler | Newport | Base | — |
| 1955–1957 | Chevrolet | Bel Air | Nomad | — |
| 1971–1975 | Dodge | Coronet | Custom | — |
| 1968–1974 | Dodge | D100 Pickup | Base | — |
| 1970–1974 | Oldsmobile | 98 | Base | — |
| 1970–1971 | Pontiac | Firebird | Formula | — |
| 1961 | Pontiac | Tempest | Safari | — |
| 1955–1958 | Plymouth | Savoy | Base | — |
| 1957–1960 | Chrysler | Saratoga | Base | — |
| 1968–1971 | Dodge | W100 Pickup | Base | — |
| 1970–1971 | Pontiac | Firebird | Esprit | — |
| 1971–1972 | Chrysler | Newport | Royal | — |
| 1965 | Buick | Wildcat | Custom | — |
| 1974 | Dodge | B200 Van | Maxi Wagon | — |
| 1972 | Oldsmobile | Cutlass | Cruiser | — |
| 1959–1970 | Pontiac | Bonneville | Safari | — |
| 1965–1969 | Plymouth | Satellite | Base | — |
| 1970–1971 | Pontiac | GTO | The Judge | — |
| 1956–1957 | Plymouth | Suburban | Deluxe | — |
| 1953–1959 | Dodge | Coronet | Base | — |
| 1971 | Dodge | W300 Pickup | Base | — |
| 1966 | Buick | Sportwagon | Custom | — |
| 1954–1958 | Buick | Century | Base | — |
| 1975–1976 | Dodge | Coronet | Brougham | — |
| 1974 | Dodge | B200 Van | Base | — |
| 1969 | Dodge | Charger | SE | — |
| 1954 | Buick | Skylark | Base | — |
| 1967 | Dodge | D100 Series | Base | — |
| 1966–1968 | Chevrolet | Caprice | Base | — |
| 1962–1971 | Pontiac | Grand Prix | Base | — |
| 1974 | Dodge | W200 Pickup | Base | — |
| 1950–1952 | Cadillac | Series 60 Fleetwood | Base | — |
| 1967 | Chevrolet | Camaro | Base | — |
| 1970–1973 | Dodge | Polara | Custom | — |
| 1970–1976 | Dodge | Coronet | Base | — |
| 1967 | Dodge | W300 Series | Base | — |
| 1964–1966 | Oldsmobile | F85 | Deluxe | — |
| 1971–1976 | Dodge | Charger | Special Edition | — |
| 1974 | Dodge | W100 Pickup | Base | — |
| 1962–1975 | Chrysler | Imperial | LeBaron | — |
| 1950–1951 | Cadillac | Series 61 | Base | — |
| 1970–1971 | Dodge | Challenger | R/T | — |
| 1968–1974 | Oldsmobile | Toronado | Base | — |
| 1964–1967 | Pontiac | Catalina | 2+2 | — |
| 1960–1963 | Plymouth | Fleet Special | Base | — |
| 1964–1965 | Pontiac | Tempest | Custom | — |
| 1968–1969 | Dodge | W300 Pickup | Base | — |
| 1967–1971 | Pontiac | Firebird | Base | — |
| 1968–1970 | Oldsmobile | Toronado | Custom | — |
| 1966 | Pontiac | Star Chief | Executive | — |
| 1971 | Dodge | B200 Van | Base | — |
| 1966–1970 | Jeep | Jeepster | Base | — |
| 1963–1965 | Buick | Riviera | Base | — |
| 1968–1969 | Dodge | Polara | 500 | — |
| 1967–1968 | Chevrolet | Chevelle | 300 | — |
| 1955–1958 | Plymouth | Suburban | Base | — |
| 1959–1965 | Buick | Electra | Base | — |
| 1959–1971 | Pontiac | Catalina | Base | — |
| 1963–1964 | Dodge | 330 | Base | — |
| 1964 | Plymouth | Barracuda | Base | — |
| 1965–1967 | Buick | Skylark | Base | — |
| 1966–1967 | Jeep | Dispatcher | Base | — |
| 1955–1958 | Plymouth | Plaza | Base | — |
| 1977–1978 | Dodge | Monaco | Brougham | — |
| 1963–1968 | Pontiac | Tempest | Safari | — |
| 1962–1965 | Dodge | 880 | Base | — |
| 1970 | Pontiac | Tempest | GT | — |
| 1973–1978 | Chrysler | Newport | Base | — |
| 1971 | Dodge | Polara | Brougham | — |
| 1971–1974 | Oldsmobile | Cutlass | S | — |
| 1971 | Pontiac | Catalina | Brougham | — |
| 1967 | Buick | Gran Sport | Base | — |
| 1967 | Chevrolet | Chevy II | Nova SS | — |
| 1967 | Cadillac | Calais | Base | — |
| 1965–1967 | Chevrolet | Chevelle | Deluxe | — |
| 1966–1971 | Jeep | CJ6 | Base | — |
| 1975–1978 | Chrysler | New Yorker | Brougham | — |
| 1966–1971 | Chrysler | Newport | Base | — |
| 1966–1967 | Jeep | Universal | Base | — |
| 1951–1958 | Buick | Super | Base | — |
| 1966 | Plymouth | Fury | VIP | — |
| 1974 | Oldsmobile | Cutlass Supreme | Cruiser | — |
| 1963–1965 | Buick | Wildcat | Base | — |
| 1963–1971 | Pontiac | LeMans | Base | — |
| 1968–1974 | Dodge | D300 Pickup | Base | — |
| 1967–1971 | Dodge | Charger | R/T | — |
| 1966–1967 | Chevrolet | Impala | SS | — |
| 1963 | Dodge | Polara | 500 | — |
| 1966–1970 | Dodge | Coronet | Deluxe | — |
| 1958–1961 | Plymouth | Custom | Base | — |
| 1955–1956 | Chevrolet | Bel Air | Beauville | — |
| 1970 | Pontiac | Tempest | Base | — |
| 1969 | Pontiac | Firebird | 350 HO | — |
| 1966–1967 | Chrysler | Imperial | Base | — |
| 1967 | Dodge | W200 Series | Base | — |
| 1968 | Oldsmobile | Cutlass | S | — |
| 1975–1977 | Dodge | Royal Monaco | Base | — |
| 1956–1958 | Plymouth | Suburban | Sport | — |
| 1956–1957 | Plymouth | Suburban | Custom | — |
| 1960–1973 | Dodge | Polara | Base | — |
| 1956–1958 | Plymouth | Fury | Base | — |
| 1965–1967 | Buick | Special | Base | — |
| 1963–1967 | Chevrolet | Chevy II | Base | — |
| 1968–1969 | Pontiac | Firebird | 350 | — |
| 1968 | Oldsmobile | Delmont 88 | Base | — |
| 1970–1971 | Pontiac | Firebird | Trans Am | — |
| 1965–1978 | Dodge | Monaco | Base | — |
| 1963 | Buick | Special | Deluxe | — |
| Category | Ignition |
|---|---|
| Sub-Category | Spark Plugs |
| UPC | 87295171899 |
| CARB Approved | Yes |
| Special Order | Yes |
| Weight | 4 lb |
| Dimensions (L×W×H) | 12 × 8 × 6 in |