Description
The Motorcraft SP412X (AGSF24NX) is a copper-core spark plug engineered to meet Ford’s strict performance and durability standards. Designed as an alternative service plug, it delivers dependable ignition performance while helping engines maintain smooth operation and efficiency throughout the service interval.
Motorcraft plugs are specifically matched to engine requirements, ensuring proper combustion. This results in reduced misfires, improved fuel economy, and reliable emissions performance. The SP412X features a copper core with a nickel electrode, offering excellent conductivity and consistent spark, especially in engines that benefit from standard copper plug designs.
Key Features
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Part Number: SP412X (AGSF24NX)
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Material: Copper core with nickel electrode
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Gap: .053" – .054"
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Type: Alternative service plug
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Engine VIN Character: E
- Meets Ford OEM engineering standards
- Helps reduce misfires and improve fuel efficiency
- Designed for reliable ignition performance
- Interchangeable with Motorcraft SP412
Technical Specifications
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Brand: Motorcraft
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Dimensions: 1.00 L x 1.00 W x 3.38 H in
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Weight: 0.10 lb
Fitment
Compatible with select Ford and Mercury vehicles equipped with 4.0L gas engines:
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Ford Explorer (4DR) (2006–2010) – 4.0L
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Ford Explorer Sport Trac (2007–2010) – 4.0L
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Ford Mustang (2006–2010) – 4.0L
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Ford Ranger (2004, 2006–2011) – 4.0L
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Mercury Mountaineer (2006–2010) – 4.0L