Ignition Coil Pack Set of 4 - Replaces# DG541, DG507, 4M5G12A366BC, C1453 - Fits Ford Escape, Focus, Transit Connect, Mercury Mariner, Mazda 3-2.0L, 2.3L - 2003, 2004, 2005, 2006, 2007, 2008-2013Category: Ford Ignition WiringIf your Ford Escape, Focus, Mercury Mariner or Mazda 3 vehicle has begun to misfire, idle erratically, or hesitate under acceleration a bad coil pack could be to blame. By providing the proper spark to the spark plug all of these running issues can be resolved. This AA Ignition Coil Pack Set of 4 is a direct replacement for the factory Ford, Mazda, Mercury or Motorcraft coil. Made by an original equipment supplier (OEM) these coil packs surpass the factory quality and will get your engine running how it should be; smooth and fast. Fits the following vehicles: 2005-2008 Ford Escape 2.3L 2003-2004 Ford Focus 2.3L 2005-2007 Ford Focus 2.0L, 2.3L 2008-2011 Ford Focus 2.0L 2010-2013 Ford Transit Connect 2004-2005 Mazda 3 2.0L, 2.3L 2005-2008 Mercury Mariner 2.3L Replaces part numbers: DG541, DG507, 4M5G12A366BC, C1453, 4M5G-12A366-BC, DG-541, DG-507, C-1453 PLEASE NOTE this is a complete set of 4 ignition coils and replace all of the ignition coils on your vehicle. This ignition coil carries a 24 month or 24,000 mile warranty. This is a compatible replacement part manufactured by AA Ignition. This ignition coil set of 4 is NOT a genuine Ford, Mercury, Mazda or Motorcraft part. Ford, Mercury, Mazda and their associated vehicle models are registered trademarks of their respective owners. These trademarks and part numbers are used in this listing only to identify the vehicles this ignition coil set fits. AA Ignition is a registered trade mark of GWA Auto Parts Inc.