Ignition Coil – Ford / Lincoln / Mercury (Part No. 3W7Z-12029-AA)

This is a non-genuine ignition coil pack compatible with Ford, Lincoln, and Mercury vehicles equipped with 4.6L and 5.4L V8 engines.
It is commonly known as “DG508” and is widely used in Ford F-Series trucks, SUVs, and performance vehicles.

Main Part Number

3W7Z-12029-AA

Cross-reference Numbers

DG508, FD503, GN10164, C500, C500M8, 6736000, 1L2Z-12029-AA, 1L5Z-12029-AA,
1L2U-12029-AA, F7TZ-12029-AB, F7TZ-12029-BA, F7TZ-12029-CA, F7TZ-12029-CC,
F7TU-12A366-AB, F7TU-12A366-BA, 8W7Z-12029-A

Compatible Vehicles

Ford

  • F-150 (1997–2008, 4.6L / 5.4L V8, Heritage & New Body)

  • F-250 / F-350 / F-450 / F-550 Super Duty (1999–2007, 5.4L / 6.8L V8/V10)

  • E-150 / E-250 / E-350 / E-450 Econoline Vans (1997–2014, 4.6L / 5.4L V8)

  • Expedition (1997–2014, 4.6L / 5.4L V8)

  • Explorer (2002–2010, 4.6L V8)

  • Excursion (2000–2005, 5.4L / 6.8L engines)

  • Mustang GT (1996–2010, 4.6L V8)

  • Lobo (Mexico Spec, 2001–2010, 5.4L V8)

Lincoln

  • Navigator (1998–2014, 5.4L V8)

  • Town Car (1998–2011, 4.6L V8)

  • Mark LT (2006–2008, 5.4L V8)

  • Blackwood (2002–2003, 5.4L V8)

Mercury

  • Grand Marquis (1998–2011, 4.6L V8)

  • Mountaineer (2002–2010, 4.6L V8)

Jaguar (limited application)

  • X-Type (select U.S. versions sharing Ford 3.0L platform; confirm with VIN)

Key Features

  • Direct replacement for OEM ignition coil (3W7Z-12029-AA / DG508).

  • Designed for Ford modular V8 engines (4.6L & 5.4L).

  • Delivers high voltage output for efficient spark and smooth combustion.

  • Improves throttle response, engine stability, and fuel economy.

  • Built with high-dielectric epoxy and precision copper windings for durability.

  • Easy plug-and-play installation; no modification required.

  • Compatible with both standard and performance variants (GT / Super Duty).

Supersession(s)

1L2Z-12029-AA, 1L5Z-12029-AA, 3W7Z-12029-AA, F7TZ-12029-AB, F7TZ-12029-BA, 8W7Z-12029-A

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