Description:
The Motorcraft Iridium Spark Plug SP-594 is built to meet rigorous Ford engineering standards, ensuring consistent ignition performance and long-term reliability. Designed for a wide range of modern Ford and Lincoln engines, this OEM spark plug helps maintain peak engine efficiency throughout its service life, typically lasting between 60,000 and 100,000 miles.
Featuring an iridium-tipped center electrode and platinum ground electrode, the SP-594 delivers enhanced durability and precise spark delivery. Its design supports reduced misfires, improved fuel efficiency, and compliance with emission standards. Motorcraft spark plugs are specifically matched to engine requirements, making them a dependable replacement choice for maintaining factory performance and drivability.
Features:
- Genuine Motorcraft OEM spark plug engineered to Ford specifications
- Iridium center electrode for extended service life and durability
- Platinum ground electrode enhances wear resistance
- Copper core for efficient conductivity and heat transfer
- Resistor value: 2,000–9,000 ohms for interference suppression
- Tapered seat design for proper sealing
- Thread size: 14 mm
- Hex size: 16 mm
- Insulator height: 3.5
- Dimensions: 0.94" L x 0.84" W x 3.69" H
- Weight: 0.10 lb
Fitment:
Ford Bronco
- L4 2.3L: 2021, 2022, 2023, 2024
- V6 2.7L: 2021, 2022, 2023, 2024, 2025, 2026
- V6 3.0L: 2022, 2023, 2024, 2025, 2026
Ford Edge
- L4 2.0L: 2019, 2020, 2021, 2022, 2023, 2024
- V6 2.7L: 2015–2018, 2019, 2020, 2021, 2022, 2023, 2024
Ford Escape (Turbocharged L4 2.0L)
2019, 2020, 2021, 2022, 2023
Ford Expedition (Turbocharged V6 3.5L)
2018, 2019, 2020, 2021
Ford Explorer
- Turbocharged L4 2.3L: 2019, 2020, 2021, 2022, 2023, 2024
- V6 3.0L EcoBoost: 2020, 2021, 2022, 2023, 2024, 2025, 2026
Ford F-150
- V6 2.7L: 2015, 2016, 2017, 2018
- Turbocharged V6 3.5L: 2017, 2018, 2019, 2020
- Turbocharged V6 2.7L: 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
Ford Maverick (L4 2.0L EcoBoost)
2022, 2023, 2024
Ford Police Interceptor Utility (V6 3.0L)
2020, 2021, 2022, 2023, 2024, 2025, 2026
Ford Ranger
- Turbocharged L4 2.3L: 2019–2025
- Turbocharged V6 2.7L: 2024, 2025, 2026
- Turbocharged V6 3.0L: 2024, 2025, 2026
Lincoln Aviator
- GAS V6 3.0L: 2020–2026
- PHEV V6 3.0L: 2020–2023
Lincoln Continental
- V6 2.7L: 2017–2020
- V6 3.0L: 2017–2020
Lincoln Corsair (L4 2.0L EcoBoost)
2020, 2021, 2022, 2023
Lincoln MKX (V6 2.7L)
2016, 2017, 2018
Lincoln MKZ (Turbocharged V6 3.0L)
2017, 2018, 2019, 2020
Lincoln Nautilus
- Turbocharged L4 2.0L: 2019, 2020, 2021, 2022, 2023
- V6 2.7L EcoBoost: 2019, 2020, 2021, 2022, 2023
Lincoln Navigator (Turbocharged V6 3.5L)
2018, 2019, 2020, 2021