Description
The Motorcraft SP479X Spark Plug (AGSF22WMX) is engineered to meet strict Ford Motor Company standards, delivering consistent ignition performance, durability, and long service life across a wide range of applications. Built with high-quality materials, this spark plug is designed to help maintain peak engine performance throughout its service interval, typically ranging from 60,000 to 100,000 miles.
Motorcraft spark plugs are specifically matched to engine requirements to support reliable combustion, reduce misfires, improve fuel efficiency, and meet emissions standards. Whether used in passenger vehicles, trucks, or commercial applications, this OEM-style replacement spark plug provides dependable fitment and long-term reliability.
Designed for both domestic and select import applications, the SP479X ensures consistent performance and confidence in everyday driving and demanding operating conditions.
Features
- Motorcraft spark plug part number SP479X
- Plug number AGSF22WMX
- Meets Ford engineering standards for performance and durability
- Designed to maintain peak engine performance over extended service intervals
- Typical service life of 60,000 to 100,000 miles
- Helps reduce misfires and improve fuel efficiency
- Supports emissions compliance and engine performance
- Engine-specific design for proper fit and function
- Suitable for a wide range of automotive and light-duty truck applications
- Manufactured with high-quality materials for long-term reliability
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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
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Ford E-150: 2003–2008 – 5.4L Gas, 6.8L Gas
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Ford E-150 Club Wagon: 2003–2004 – 5.4L Gas
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Ford E-150 Econoline: 1998–2002 – 5.4L Bi-Fuel, 5.4L Gas
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Ford E-150 Econoline Club Wagon: 1998–2002 – 5.4L Bi-Fuel, 5.4L Gas
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Ford E-250: 2005–2008 – 5.4L Gas, 6.8L Gas
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Ford E-250 Econoline: 1998–2002 – 5.4L Bi-Fuel, 5.4L CNG, 5.4L Gas
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Ford E-350: 2005–2008 – 5.4L Gas, 6.8L Gas
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Ford E-350 Club Wagon: 2003–2004 – 5.4L Gas, 6.8L Gas
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Ford E-350 Econoline: 1998 – 5.4L Bi-Fuel, 5.4L CNG, 5.4L Gas, 6.8L Gas
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Ford E-350 Econoline Club Wagon: 1998–2002 – 5.4L Bi-Fuel, 5.4L CNG, 5.4L Gas, 6.8L Gas
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Ford E-350 Super Duty: 1999–2004 – 5.4L Bi-Fuel, 5.4L CNG, 5.4L Gas, 6.8L Gas
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Ford E-450: 2005–2008 – 5.4L Gas, 6.8L Gas
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Ford E-450 Econoline Super Duty: 1999–2002 – 5.4L CNG, 5.4L Gas, 6.8L Gas
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Ford E-450 Super Duty: 2003–2004 – 5.4L Gas, 6.8L Gas
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Ford Econoline Super Duty: 1998 – 5.4L Gas, 6.8L Gas
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Ford Excursion: 2000–2005 – 5.4L Gas, 6.8L Gas
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Ford Expedition: 1998–2004 – 5.4L Gas
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Ford F-150: 1998–2003 – 5.4L Bi-Fuel, 5.4L CNG, 5.4L Gas
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Ford F-150 Heritage: 2004 – 5.4L Bi-Fuel, 5.4L CNG, 5.4L Gas
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Ford F-250 Super Duty: 1998–2004 – 5.4L Bi-Fuel, 5.4L CNG, 5.4L Gas, 6.8L Gas
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Ford F-350 Super Duty: 1999–2004 – 5.4L Gas, 6.8L Gas
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Ford F-450 Super Duty: 1999–2004 – 6.8L Gas
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Ford F-53 Stripped Chassis: 2004 – 6.8L Gas
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Ford F-550 Super Duty: 1999–2004 – 6.8L Gas, 6.8L LPG
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Lincoln Navigator: 1998–1999 – 5.4L Gas
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Ford Contour: 1998–2000 – L4 2.0L
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Ford Escape: 2001–2004 – L4 2.0L
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Ford Escort: 1998–2003 – DOHC L4 2.0L (including ZX2 variants)
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Ford Focus: 2000–2004 – DOHC L4 2.0L
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Mazda 3: 2006–2008, 2012 – L4 2.0L, 2.3L, 2.5L
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Mazda 3 Sport: 2012 – L4 2.0L, 2.5L
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Mazda 5: 2008 – L4 2.3L; 2012 – L4 2.5L
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Mazda 6: 2006–2008, 2012 – L4 2.3L (NA/Turbo), L4 2.5L, V6 3.7L
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Mazda CX-7: 2007–2008 – Turbo L4 2.3L; 2012 – L4 2.3L, 2.5L
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Mazda CX-9: 2007 – V6 3.5L; 2012 – V6 3.7L
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Mazda MX-5 Miata: 2006–2008 – L4 2.0L
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Mazda Tribute: 2001–2004 – L4 2.0L
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Mercury Cougar: 1999–2002 – L4 2.0L
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Mercury Mystique: 1998–2000 – L4 2.0L
