Description
The Motorcraft SP479X Spark Plug (AGSF22WMX) is engineered to meet strict Ford Motor Company standards, ensuring consistent ignition performance, durability, and long service life. Designed to maintain peak engine efficiency throughout its service interval, this spark plug typically supports 60,000 to 100,000 miles of dependable operation.
Motorcraft spark plugs are precisely matched to specific engine applications to help reduce misfires, improve fuel efficiency, and meet emissions requirements. Built with high-quality materials, the SP479X provides reliable combustion performance across a wide range of vehicles, including passenger cars, trucks, and commercial applications.
Whether performing routine maintenance or replacing worn ignition components, this OEM-style spark plug delivers trusted performance, proper fitment, and long-term reliability.
Features
- Motorcraft spark plug part number SP479X
- Plug number AGSF22WMX
- Meets Ford engineering standards for quality and durability
- Designed to maintain peak engine performance over extended intervals
- Service life typically 60,000 to 100,000 miles
- Helps reduce misfires and support efficient fuel combustion
- 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 using high-quality materials for long-lasting 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 (naturally aspirated and turbocharged), L4 2.5L, V6 3.7L
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Mazda CX-7: 2007–2008 – Turbocharged 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
