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| Attribute | Value |
|---|---|
| Center Electrode Core Material | Copper |
| Center Electrode Design | Fine Wire |
| Center Electrode Insulator Tip Projection | 0.12, 3.0 |
| 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 | 7 |
| Material Grade | Iridium |
| Part Number | Ltr7aix |
| Pre Gap Size | .032, 0.8 |
| Reach | 0.984, 25.0 |
| Resistance | 5000.0 |
| Resistor Type | Yes |
| Seat Type | Tapered |
| Service Number | Ltr7aix |
| Short Style Spark Plug | No |
| Skirt | No |
| Skirt Length | 0.0 |
| Stock Number | 97921 |
| Thread Diameter | 0.551, 14.0 |
| Washer Included | No |
This part fits the following vehicles:
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Base | Coupe | 2016 - 2019 | L4 2.0L Turbo | AWD/RWD Automatic |
| Base | Coupe | 2016 - 2018 | L4 2.0L Turbo | AWD/RWD Manual |
| Base | Coupe | 2016 - 2017 | L4 2.5L | AWD/RWD Automatic & Manual |
| Base | Sedan | 2016 - 2018 | L4 2.0L Turbo | AWD/RWD Automatic & Manual |
| Base | Sedan | 2016 - 2017 | L4 2.5L | AWD/RWD Automatic & Manual |
| Coupe | Coupe | 2018 - 2019 | L4 2.0L Turbo | RWD Automatic |
| Luxury | Coupe | 2016 - 2019 | L4 2.0L Turbo | AWD/RWD Automatic |
| Luxury | Coupe | 2016 - 2018 | L4 2.0L Turbo | AWD/RWD Manual |
| Luxury | Coupe | 2016 - 2017 | L4 2.5L | AWD/RWD Automatic & Manual |
| Luxury | Coupe | 2016 | V6 3.6L | AWD/RWD Automatic & Manual |
| Luxury | Sedan | 2016 - 2018 | L4 2.0L Turbo | AWD/RWD Automatic & Manual |
| Luxury | Sedan | 2016 - 2017 | L4 2.5L | AWD/RWD Automatic & Manual |
| Luxury | Sedan | 2016 | V6 3.6L | AWD/RWD Automatic & Manual |
| Performance | Coupe | 2016 - 2017 | L4 2.0L Turbo | AWD/RWD Automatic & Manual |
| Performance | Coupe | 2016 - 2017 | V6 3.6L | AWD/RWD Automatic & Manual |
| Performance | Sedan | 2016 - 2017 | L4 2.0L Turbo | AWD/RWD Automatic & Manual |
| Performance | Sedan | 2016 - 2017 | V6 3.6L | AWD/RWD Automatic & Manual |
| Premium | Coupe | 2016 | L4 2.0L Turbo | AWD/RWD Automatic & Manual |
| Premium | Coupe | 2016 | V6 3.6L | AWD/RWD Automatic & Manual |
| Premium | Sedan | 2016 | L4 2.0L Turbo | AWD/RWD Automatic & Manual |
| Premium | Sedan | 2016 | V6 3.6L | AWD/RWD Automatic & Manual |
| Premium Luxury | Coupe | 2017 - 2019 | V6 3.6L | AWD/RWD Automatic |
| Premium Luxury | Sedan | 2017 - 2018 | V6 3.6L | AWD/RWD Automatic |
| Premium Performance | Coupe | 2017 | L4 2.0L Turbo | AWD/RWD Automatic & Manual |
| Premium Performance | Coupe | 2017 - 2019 | V6 3.6L | RWD Automatic |
| Premium Performance | Coupe | 2017 | V6 3.6L | AWD/RWD Automatic & Manual |
| Premium Performance | Sedan | 2017 | L4 2.0L Turbo | AWD/RWD Automatic & Manual |
| Premium Performance | Sedan | 2017 - 2018 | V6 3.6L | RWD Automatic |
| Premium Performance | Sedan | 2017 | V6 3.6L | AWD/RWD Automatic & Manual |
| Sedan | Sedan | 2018 | L4 2.0L Turbo | RWD Automatic |
| V | Coupe | 2016 - 2019 | V6 3.6L Turbo | RWD Automatic & Manual |
| V | Sedan | 2016 - 2018 | V6 3.6L Turbo | RWD Automatic & Manual |
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Luxury | Sedan | 2022 - 2024 | L4 2.0L Turbo | AWD/RWD Automatic |
| Premium Luxury | Sedan | 2022 - 2024 | L4 2.0L Turbo | AWD/RWD Automatic |
| Premium Luxury | Sedan | 2022 - 2024 | L4 2.7L Turbo | AWD/RWD Automatic |
| Sport | Sedan | 2022 - 2024 | L4 2.0L Turbo | AWD/RWD Automatic |
| V | Sedan | 2022 - 2024 | L4 2.7L Turbo | AWD/RWD Automatic |
| V Blackwing | Sedan | 2022 - 2024 | V6 3.6L Turbo | RWD Automatic & Manual |
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Base | Sedan | 2015 - 2019 | L4 2.0L Turbo | AWD/RWD Automatic |
| Luxury | Sedan | 2016 - 2019 | V6 3.6L | AWD/RWD Automatic |
| Luxury | Sedan | 2015 - 2019 | L4 2.0L Turbo | AWD/RWD Automatic |
| Luxury | Sedan | 2015 | V6 3.6L FLEX | AWD/RWD Automatic |
| Performance | Sedan | 2016 | V6 3.6L | AWD/RWD Automatic |
| Performance | Sedan | 2015 - 2016 | L4 2.0L Turbo | AWD/RWD Automatic |
| Performance | Sedan | 2015 | V6 3.6L FLEX | AWD/RWD Automatic |
| Premium | Sedan | 2016 - 2017 | V6 3.6L | AWD Automatic |
| Premium | Sedan | 2015 - 2016 | L4 2.0L Turbo | AWD/RWD Automatic |
| Premium | Sedan | 2015 - 2019 | V6 3.6L | RWD Automatic |
| Premium | Sedan | 2015 | V6 3.6L FLEX | AWD/RWD Automatic |
| Premium Luxury | Sedan | 2017 - 2019 | V6 3.6L | AWD/RWD Automatic |
| V | Coupe | 2015 | V8 6.2L Supercharged | RWD Automatic & Manual |
| V | Sedan | 2016 - 2019 | V8 6.2L Supercharged | RWD Automatic |
| Vsport | Sedan | 2015 - 2019 | V6 3.6L Turbo | RWD Automatic |
| Vsport Premium | Sedan | 2015 - 2016 | V6 3.6L Turbo | RWD Automatic |
| Vsport Premium Luxury | Sedan | 2017 - 2019 | V6 3.6L Turbo | RWD Automatic |
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Base | Sedan | 2016 - 2019 | V6 3.6L | FWD Automatic |
| Livery | Hearse | 2016 - 2019 | V6 3.6L | FWD Automatic |
| Livery | Limousine | 2016 - 2019 | V6 3.6L | FWD Automatic |
| Livery | Sedan | 2018 - 2019 | V6 3.6L | FWD Automatic |
| Luxury | Sedan | 2016 - 2019 | V6 3.6L | AWD/FWD Automatic |
| Platinum | Sedan | 2016 - 2019 | V6 3.6L | AWD/FWD Automatic |
| Premium | Sedan | 2016 - 2017 | V6 3.6L | AWD/FWD Automatic |
| Premium Luxury | Sedan | 2017 - 2019 | V6 3.6L | AWD/FWD Automatic |
| Vsport Platinum | Sedan | 2016 - 2019 | V6 3.6L Turbo | AWD Automatic |
| Vsport Premium | Sedan | 2016 | V6 3.6L Turbo | AWD Automatic |
| Vsport Premium Luxury | Sedan | 2017 | V6 3.6L Turbo | AWD Automatic |
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| King Ranch | Crew Cab Pickup | 2023 - 2024 | V6 3.5L FULL HYBRID EV-GAS (FHEV) Turbo | 4WD Automatic |
| King Ranch | Crew Cab Pickup | 2023 | V6 3.5L FULL HYBRID EV-GAS (FHEV) Turbo | RWD Automatic |
| King Ranch | Crew Cab Pickup | 2023 - 2024 | V6 3.5L Turbo | 4WD Automatic |
| King Ranch | Crew Cab Pickup | 2023 | V6 3.5L Turbo | RWD Automatic |
| King Ranch | Crew Cab Pickup | 2023 | V8 5.0L FLEX | RWD/4WD Automatic |
| Lariat | Crew Cab Pickup | 2023 | V6 2.7L Turbo | RWD/4WD Automatic |
| Lariat | Crew Cab Pickup | 2023 - 2024 | V6 3.5L FULL HYBRID EV-GAS (FHEV) Turbo | 4WD Automatic |
| Lariat | Crew Cab Pickup | 2023 | V6 3.5L FULL HYBRID EV-GAS (FHEV) Turbo | RWD Automatic |
| Lariat | Crew Cab Pickup | 2023 - 2024 | V6 3.5L Turbo | 4WD Automatic |
| Lariat | Crew Cab Pickup | 2023 | V6 3.5L Turbo | RWD Automatic |
| Lariat | Crew Cab Pickup | 2023 - 2024 | V8 5.0L FLEX | 4WD Automatic |
| Lariat | Crew Cab Pickup | 2023 | V8 5.0L FLEX | RWD Automatic |
| Lariat | Extended Cab Pickup | 2023 | V6 2.7L Turbo | RWD/4WD Automatic |
| Lariat | Extended Cab Pickup | 2023 | V6 3.5L FULL HYBRID EV-GAS (FHEV) Turbo | RWD/4WD Automatic |
| Lariat | Extended Cab Pickup | 2023 | V6 3.5L Turbo | RWD/4WD Automatic |
| Lariat | Extended Cab Pickup | 2023 | V8 5.0L FLEX | RWD/4WD Automatic |
| Limited | Crew Cab Pickup | 2023 | V6 3.5L FULL HYBRID EV-GAS (FHEV) Turbo | RWD/4WD Automatic |
| Limited | Crew Cab Pickup | 2023 | V6 3.5L Turbo | RWD/4WD Automatic |
| Platinum | Crew Cab Pickup | 2023 - 2024 | V6 3.5L FULL HYBRID EV-GAS (FHEV) Turbo | 4WD Automatic |
| Platinum | Crew Cab Pickup | 2023 | V6 3.5L FULL HYBRID EV-GAS (FHEV) Turbo | RWD Automatic |
| Platinum | Crew Cab Pickup | 2023 - 2024 | V6 3.5L Turbo | 4WD Automatic |
| Platinum | Crew Cab Pickup | 2023 | V6 3.5L Turbo | RWD Automatic |
| Platinum | Crew Cab Pickup | 2023 | V8 5.0L FLEX | RWD/4WD Automatic |
| Police Responder | Crew Cab Pickup | 2023 - 2024 | V6 3.5L Turbo | 4WD Automatic |
| Raptor | Crew Cab Pickup | 2023 - 2024 | V6 3.5L Turbo | 4WD Automatic |
| Raptor | Crew Cab Pickup | 2023 - 2024 | V8 5.2L Supercharged | 4WD Automatic |
| SSV | Crew Cab Pickup | 2023 - 2024 | V6 3.5L Turbo | RWD/4WD Automatic |
| SSV | Crew Cab Pickup | 2023 - 2024 | V8 5.0L FLEX | RWD/4WD Automatic |
| SSV | Extended Cab Pickup | 2023 - 2024 | V6 3.5L Turbo | RWD/4WD Automatic |
| SSV | Extended Cab Pickup | 2023 - 2024 | V8 5.0L FLEX | RWD/4WD Automatic |
| STX | Crew Cab Pickup | 2024 | V6 2.7L Turbo | RWD/4WD Automatic |
| STX | Crew Cab Pickup | 2024 | V6 3.5L FULL HYBRID EV-GAS (FHEV) Turbo | RWD/4WD Automatic |
| STX | Crew Cab Pickup | 2024 | V8 5.0L FLEX | RWD/4WD Automatic |
| STX | Extended Cab Pickup | 2024 | V6 2.7L Turbo | RWD/4WD Automatic |
| STX | Extended Cab Pickup | 2024 | V6 3.5L FULL HYBRID EV-GAS (FHEV) Turbo | RWD/4WD Automatic |
| STX | Extended Cab Pickup | 2024 | V8 5.0L FLEX | RWD/4WD Automatic |
| Tremor | Crew Cab Pickup | 2023 - 2024 | V6 3.5L Turbo | 4WD Automatic |
| Tremor | Crew Cab Pickup | 2023 - 2024 | V8 5.0L FLEX | 4WD Automatic |
| XL | Crew Cab Pickup | 2023 - 2024 | V6 2.7L Turbo | RWD/4WD Automatic |
| XL | Crew Cab Pickup | 2023 | V6 3.3L | RWD/4WD Automatic |
| XL | Crew Cab Pickup | 2023 | V6 3.3L FLEX | RWD/4WD Automatic |
| XL | Crew Cab Pickup | 2023 | V6 3.5L FULL HYBRID EV-GAS (FHEV) Turbo | RWD/4WD Automatic |
| XL | Crew Cab Pickup | 2023 - 2024 | V6 3.5L Turbo | RWD/4WD Automatic |
| XL | Crew Cab Pickup | 2023 - 2024 | V8 5.0L | RWD/4WD Automatic |
| XL | Crew Cab Pickup | 2023 - 2024 | V8 5.0L FLEX | RWD/4WD Automatic |
| XL | Extended Cab Pickup | 2024 | V8 5.0L | RWD/4WD Automatic |
| XL | Extended Cab Pickup | 2023 - 2024 | V6 2.7L Turbo | RWD/4WD Automatic |
| XL | Extended Cab Pickup | 2023 | V6 3.3L FLEX | RWD/4WD Automatic |
| XL | Extended Cab Pickup | 2023 | V6 3.5L FULL HYBRID EV-GAS (FHEV) Turbo | RWD/4WD Automatic |
| XL | Extended Cab Pickup | 2023 - 2024 | V6 3.5L Turbo | RWD/4WD Automatic |
| XL | Extended Cab Pickup | 2023 - 2024 | V8 5.0L FLEX | RWD/4WD Automatic |
| XL | Standard Cab Pickup | 2023 - 2024 | V6 2.7L Turbo | RWD/4WD Automatic |
| XL | Standard Cab Pickup | 2023 | V6 3.3L | RWD/4WD Automatic |
| XL | Standard Cab Pickup | 2023 | V6 3.3L FLEX | RWD/4WD Automatic |
| XL | Standard Cab Pickup | 2023 | V6 3.5L FULL HYBRID EV-GAS (FHEV) Turbo | RWD/4WD Automatic |
| XL | Standard Cab Pickup | 2023 - 2024 | V6 3.5L Turbo | RWD/4WD Automatic |
| XL | Standard Cab Pickup | 2023 - 2024 | V8 5.0L | RWD/4WD Automatic |
| XL | Standard Cab Pickup | 2023 - 2024 | V8 5.0L FLEX | RWD/4WD Automatic |
| XLT | Crew Cab Pickup | 2024 | V8 5.0L | RWD/4WD Automatic |
| XLT | Crew Cab Pickup | 2023 - 2024 | V6 2.7L Turbo | RWD/4WD Automatic |
| XLT | Crew Cab Pickup | 2023 | V6 3.3L FLEX | RWD/4WD Automatic |
| XLT | Crew Cab Pickup | 2023 - 2024 | V6 3.5L FULL HYBRID EV-GAS (FHEV) Turbo | RWD/4WD Automatic |
| XLT | Crew Cab Pickup | 2023 - 2024 | V6 3.5L Turbo | RWD/4WD Automatic |
| XLT | Crew Cab Pickup | 2023 - 2024 | V8 5.0L FLEX | RWD/4WD Automatic |
| XLT | Extended Cab Pickup | 2024 | V8 5.0L | RWD/4WD Automatic |
| XLT | Extended Cab Pickup | 2023 - 2024 | V6 2.7L Turbo | RWD/4WD Automatic |
| XLT | Extended Cab Pickup | 2023 | V6 3.3L FLEX | RWD/4WD Automatic |
| XLT | Extended Cab Pickup | 2023 - 2024 | V6 3.5L FULL HYBRID EV-GAS (FHEV) Turbo | RWD/4WD Automatic |
| XLT | Extended Cab Pickup | 2023 - 2024 | V6 3.5L Turbo | RWD/4WD Automatic |
| XLT | Extended Cab Pickup | 2023 - 2024 | V8 5.0L FLEX | RWD/4WD Automatic |
| XLT | Standard Cab Pickup | 2023 | V6 2.7L Turbo | RWD/4WD Automatic |
| XLT | Standard Cab Pickup | 2023 | V6 3.3L FLEX | RWD/4WD Automatic |
| XLT | Standard Cab Pickup | 2023 | V6 3.5L FULL HYBRID EV-GAS (FHEV) Turbo | RWD/4WD Automatic |
| XLT | Standard Cab Pickup | 2023 | V6 3.5L Turbo | RWD/4WD Automatic |
| XLT | Standard Cab Pickup | 2023 | V8 5.0L FLEX | RWD/4WD Automatic |
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Bullitt | Coupe | 2019 - 2020 | V8 5.0L | RWD Manual |
| EcoBoost | Convertible | 2019 - 2022 | L4 2.3L Turbo | RWD Automatic & Manual |
| EcoBoost | Coupe | 2019 - 2022 | L4 2.3L Turbo | RWD Automatic & Manual |
| EcoBoost Premium | Convertible | 2019 - 2022 | L4 2.3L Turbo | RWD Automatic & Manual |
| EcoBoost Premium | Coupe | 2019 - 2022 | L4 2.3L Turbo | RWD Automatic & Manual |
| GT | Convertible | 2019, 2021 - 2022 | V8 5.0L | RWD Automatic & Manual |
| GT | Coupe | 2019 - 2022 | V8 5.0L | RWD Automatic & Manual |
| GT Premium | Convertible | 2019 - 2022 | V8 5.0L | RWD Automatic & Manual |
| GT Premium | Coupe | 2019 - 2022 | V8 5.0L | RWD Automatic & Manual |
| GT V8 | Convertible | 2019 - 2022 | V8 5.0L | RWD Automatic & Manual |
| GT V8 | Coupe | 2019 - 2022 | V8 5.0L | RWD Automatic & Manual |
| Mach 1 | Coupe | 2021 - 2022 | V8 5.0L | RWD Automatic & Manual |
| Shelby GT350 | Coupe | 2019 - 2020 | V8 5.2L | RWD Manual |
| Shelby GT350R | Coupe | 2019 - 2020 | V8 5.2L | RWD Manual |
| Shelby GT500 | Coupe | 2020 - 2022 | V8 5.2L Supercharged | RWD Automatic Dual Clutch |
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This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.
Warranty does NOT cover:
| Brand | Part Number |
|---|---|
| NGK | 97921 |
Fits Years: 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024
Fits Models: ATS, CT4, CTS, F-150, Mustang, XTS
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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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