Article no.:
7559
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NGK Single Iridium Spark Plug Box of 4 (UR45IX)
Unlock your engine's full potential with the NGK Single Iridium Spark Plug Box of 4 (UR45IX). Specifically designed for performance enthusiasts, these spark plugs deliver outstanding acceleration, high fuel efficiency, and durability.
With their tapered cut ground electrode and Iridium fine wire center electrode, these plugs offer extreme ignitability and exceptional anti-fouling. Perfect for modified or high-performance applications, or as an upgrade to OE nickel alloy spark plugs.
- Outstanding acceleration and high fuel efficiency
- Extreme ignitability and exceptional anti-fouling
- Durable Iridium fine wire center electrode
- Tapered cut ground electrode for improved starting and throttle response
This product fits more vehicles than loaded. Please select your vehicle to see all fits.
| Make | Model | Year | Type |
|---|---|---|---|
| American Motors | Concord | 1980 | Base |
| American Motors | Concord | 1980 | DL |
| American Motors | Concord | 1980 | Limited |
| American Motors | Concord | 1981 | Base |
| American Motors | Concord | 1981 | DL |
| American Motors | Concord | 1981 | Limited |
| American Motors | Concord | 1982 | Base |
| American Motors | Concord | 1982 | DL |
| American Motors | Concord | 1982 | Limited |
| American Motors | Eagle | 1981 | Base |
| American Motors | Eagle | 1981 | DL Kammback |
| American Motors | Eagle | 1981 | DL SX4 |
| American Motors | Eagle | 1981 | Kammback |
| American Motors | Eagle | 1981 | Limited |
| American Motors | Eagle | 1981 | SX4 |
| American Motors | Eagle | 1982 | Base |
| American Motors | Eagle | 1982 | DL Kammback |
| American Motors | Eagle | 1982 | DL SX4 |
| American Motors | Eagle | 1982 | Kammback |
| American Motors | Eagle | 1982 | Limited |
| American Motors | Eagle | 1982 | SX4 |
| American Motors | Eagle | 1983 | Base |
| American Motors | Eagle | 1983 | DL SX4 |
| American Motors | Eagle | 1983 | Limited |
| American Motors | Eagle | 1983 | SX4 |
| American Motors | Spirit | 1980 | Base |
| American Motors | Spirit | 1980 | DL |
| American Motors | Spirit | 1980 | Limited |
| American Motors | Spirit | 1981 | Base |
| American Motors | Spirit | 1981 | DL |
| American Motors | Spirit | 1982 | Base |
| American Motors | Spirit | 1982 | DL |
| Buick | Apollo | 1975 | Base |
| Buick | Apollo | 1975 | SR |
| Buick | Century | 1975 | Base |
| Buick | Century | 1975 | Custom |
| Buick | Century | 1975 | Luxus |
| Buick | Century | 1976 | Base |
| Buick | Century | 1976 | Custom |
| Buick | Century | 1976 | Indianapolis 500 Pace Car |
| Buick | Century | 1977 | Base |
| Buick | Century | 1977 | Custom |
| Buick | Century | 1977 | Special |
| Buick | Century | 1978 | Custom |
| Buick | Century | 1978 | Limited |
| Buick | Century | 1978 | Special |
| Buick | Century | 1978 | Sport |
| Buick | Century | 1979 | Custom |
| Buick | Century | 1979 | Limited |
| Buick | Century | 1979 | Special |
| Buick | Century | 1979 | Sport |
| Buick | Century | 1980 | Base |
| Buick | Century | 1980 | Estate |
| Buick | Century | 1980 | Limited |
| Buick | Century | 1980 | Sport |
| Buick | Century | 1981 | Base |
| Buick | Century | 1981 | Estate |
| Buick | Century | 1981 | Limited |
| Buick | Century | 1981 | Sport |
| Buick | Century | 1982 | Custom |
| Buick | Century | 1982 | Limited |
| Buick | Century | 1983 | Custom |
| Buick | Century | 1983 | Limited |
| Buick | Century | 1983 | T-Type |
| Buick | Century | 1984 | Custom |
| Buick | Century | 1984 | Estate |
| Buick | Century | 1984 | Limited |
| Buick | Century | 1984 | Olympia Limited |
| Buick | Century | 1984 | T-Type |
| Buick | Century | 1985 | Custom |
| Buick | Century | 1985 | Estate Wagon |
| Buick | Century | 1985 | Limited |
| Buick | Century | 1985 | T-Type |
| Buick | Electra | 1977 | 225 |
| Buick | Electra | 1977 | Limited |
| Buick | Electra | 1978 | 225 |
| Buick | Electra | 1978 | Limited |
| Buick | Electra | 1978 | Park Avenue |
| Buick | Electra | 1979 | 225 |
| Buick | Electra | 1979 | Limited |
| Buick | Electra | 1979 | Park Avenue |
| Buick | Electra | 1980 | Estate Wagon |
| Buick | Electra | 1980 | Limited |
| Buick | Electra | 1980 | Park Avenue |
| Buick | Electra | 1981 | Limited |
| Buick | Electra | 1981 | Park Avenue |
| Buick | Electra | 1982 | Limited |
| Buick | Electra | 1982 | Park Avenue |
| Buick | Electra | 1983 | Limited |
| Buick | Electra | 1983 | Park Avenue |
| Buick | Electra | 1984 | Limited |
| Buick | Electra | 1984 | Park Avenue |
| Buick | Electra | 1985 | Limited |
| Buick | Electra | 1985 | Park Avenue |
| Buick | Electra | 1985 | T-Type |
| Buick | Estate Wagon | 1978 | Base |
| Buick | Estate Wagon | 1979 | Base |
| Buick | Estate Wagon | 1980 | Base |
| Buick | LeSabre | 1975 | Base |
| Buick | LeSabre | 1975 | Custom |
NGK manufactures spark plugs and spark plug wires, as well as glow plugs for diesel applications. Their range of spark plugs cover everything from OEM replacement to Ultimate Performance plugs, and are available as traditional copper, platinum, or iridium tips. NGK’s reputation as an OEM supplier for many car manufacturers makes them a top choice for spark plugs. Few brands can make that claim and have the quality to back it up.
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