OE Standard: Haoxiang ignition coil pack set are built to achieve OE specifications, subject to strict quality control testing; Every component either matches or improves on the OE design for high energy output, performance and dependability Replacement Part Number: Automotive replacement ignition coil pack for DG508, DG457, DG472, DG473, FD493, FD503, DCE263, DG467, DG481, DG491, 1L2U-12029-AA, 1L2U-12A366-AA, 3W7Z-12029-AA, F7TU-12A366-AB, F7TZ-12029-AB, DG-508, 1L2U12029AA, 1L2U12A366AA, 3W7Z12029AA, F7TU12A366AB, F7TZ12029AB High Performance Ignition Coil: The automotive replacement coil ignition for ford made of high heat-resistant compound with longer durability, can fixes common ignition system failures and restores power for peak engine performance even in extreme temperatures and high altitudes, such as backfiring, misfires, stalling, engine jerking, poor idling Compatibility: This ford coil pack compatible with 5.4L V8 1998-2008 Ford E150 E250 E350, 2006-2008 Ford E450, 1998 Econoline Super Duty, 2000-2005 Excursion, 1998-2004 Expedition, 1998-2003 F150 F250 Supercharged, 2004 F150 Heritage Supercharged, 1999-2004 Ford F250 F350 Super Duty, 1998-1999 Lincoln Navigator, 4.6L V8 2011-2012 VPG MV-1 Easily Install: This f150 coil pack 5.4l can be fast and easily install without special tools; Please make sure the year/make/model and interchangeable part numbers of your car before use; this DG508 coil packs for 5.4 ford f150 with Curved Boots, if you need Straight Boots it will be the part number DG511 Haoxiang Auto ignition coil packs are built to achieve OE specifications, subject to strict quality control testing for high energy output, superior possible performance and dependability; Replacement Part Number: DG508,DG457,DG472,DG473,FD493,FD503,DCE263,DG467, DG481,DG491,1L2U-12029-AA,1L2U-12A366-AA,3W7Z-12029-AA,F7TU-12A366-AB,F7TZ-12029-AB; Compatible with most of Ford F150 F250 F350 F450 E150 E250 E350 E450 Crown Econoline Excursion Expedition Explorer Mustang Thunderbird,Lincoln Navigator Town, Mercury Cougar,Grand Marquis,Mountaineer,Engineered specifically for 1998 to 2008 4.6L 5.4L Ford 2 valve modular engines