Voice or type your vehicle details and Wrenchy will confirm fitment in seconds.
| Attribute | Value |
|---|---|
| Center Electrode Core Material | Copper |
| Center Electrode Design | Fine Wire |
| Center Electrode Insulator Tip Projection | 0.16, 4.0 |
| Center Electrode Projection | Mid Projection |
| Center Electrode Tip Material | Iridium |
| Electrical Terminal Type | Non-removable Nut |
| Grade Type | Performance |
| Ground Configuration | J-gap |
| Ground Electrode Core Material | Nickel |
| Ground Electrode Quantity | 1 |
| Ground Electrode Tip Design | Taper Cut |
| Ground Electrode Tip Material | Nickel |
| Hex Size | 5/8" (16mm) |
| Insulator Height | 2.07, 52.5 |
| Insulator Material | Ceramic |
| Manufacturer Heat Range | 5 |
| Material Grade | Iridium |
| Part Number | Tr5ix |
| Pre Gap Size | .040, 1.0 |
| Reach | 0.689, 17.5 |
| Resistance | 5000.0 |
| Resistor Type | Yes |
| Seat Type | Tapered |
| Service Number | Tr5ix |
| Short Style Spark Plug | No |
| Skirt | No |
| Skirt Length | 0.0 |
| Stock Number | 7397 |
| Thread Diameter | 0.551, 14.0 |
| Washer Included | No |
This part fits the following vehicles:
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Base | Coupe | 1978 - 1979 | L4 2.3L | RWD Automatic & Manual |
| Base | Coupe | 1978 - 1979 | L6 3.3L | RWD Automatic & Manual |
| Base | Coupe | 1978 - 1982 | V8 5.0L | RWD Automatic & Manual |
| Base | Sedan | 1980 - 1982 | V8 4.2L | RWD Automatic & Manual |
| Base | Sedan | 1980 - 1981 | V8 4.2L | RWD Automatic & Manual |
| Base | Sedan | 1978 - 1982 | L4 2.3L | RWD Automatic & Manual |
| Base | Sedan | 1978 - 1981 | L4 2.3L | RWD Automatic & Manual |
| Base | Sedan | 1978 - 1982 | L6 3.3L | RWD Automatic & Manual |
| Base | Sedan | 1978 - 1981 | L6 3.3L | RWD Automatic & Manual |
| Base | Sedan | 1978 - 1982 | V8 5.0L | RWD Automatic & Manual |
| Base | Sedan | 1978 - 1979 | V8 5.0L | RWD Automatic & Manual |
| Base | Wagon | 1980 - 1981 | V8 4.2L | RWD Automatic & Manual |
| Base | Wagon | 1978 - 1981 | L4 2.3L | RWD Automatic & Manual |
| Base | Wagon | 1978 - 1981 | L6 3.3L | RWD Automatic & Manual |
| Base | Wagon | 1978 - 1979 | V8 5.0L | RWD Automatic & Manual |
| Elite | Coupe | 1979 - 1982 | V8 5.0L | RWD Automatic & Manual |
| Futura | Coupe | 1980 - 1982 | V8 4.2L | RWD Automatic & Manual |
| Futura | Coupe | 1978 - 1982 | L4 2.3L | RWD Automatic & Manual |
| Futura | Coupe | 1978 - 1982 | L6 3.3L | RWD Automatic & Manual |
| Futura | Coupe | 1978 - 1979 | V8 5.0L | RWD Automatic & Manual |
| Futura | Sedan | 1980 - 1982 | L4 2.3L | RWD Automatic & Manual |
| Futura | Sedan | 1980 | L4 2.3L | RWD Automatic & Manual |
| Futura | Sedan | 1980 - 1982 | L6 3.3L | RWD Automatic & Manual |
| Futura | Sedan | 1980 | L6 3.3L | RWD Automatic & Manual |
| Futura | Sedan | 1980 - 1982 | V8 4.2L | RWD Automatic & Manual |
| Futura | Sedan | 1980 | V8 4.2L | RWD Automatic & Manual |
| Futura | Wagon | 1981 | L4 2.3L | RWD Automatic & Manual |
| Futura | Wagon | 1981 | L6 3.3L | RWD Automatic & Manual |
| Futura | Wagon | 1981 | V8 4.2L | RWD Automatic & Manual |
| S | Sedan | 1981 | L4 2.3L | RWD Manual |
| S | Sedan | 1981 | L6 3.3L | RWD Manual |
| S | Sedan | 1981 | V8 4.2L | RWD Manual |
| Wagon | Wagon | 1979 - 1982 | V8 5.0L | RWD Automatic & Manual |
We offer fast, reliable shipping on all orders:
This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.
Warranty does NOT cover:
We want you to be 100% satisfied with your purchase. That's why we offer:
| Brand | Part Number |
|---|---|
| Omnicraft | QSP4 |
Fits Years: 1978 1979 1980 1981 1982
Fits Models: Fairmont
Keep your classic Fairmont running strong by understanding which spark plugs are right for its engine.
Read Full Guide →If your scan tool is showing one of these trouble codes, this part is a common fix. Each guide explains the code, how to diagnose it, and exactly what to replace.
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