Pack of 4 Ignition Coils for Ford - ESCAPE FOCUS - Mazda - TRIBUTE - Mercury - MARINER - 2.0 2.3 DOHC fits FD505 DG501 DG504 DG541 DG507 DIRECT REPLACEMENT/ UPGRADE over your original stock coils. We only use the highest grade materials. This makes our product durable and reliable under extreme conditions while providing High Electrical Resistance, strong Spark from plugs, and being resistant to Corrosion and Abrasion IGNITION COILS FOR V4 2.0L and 2.3L engines in 2005 to 2008 Ford Escape 2.3L, 2003 to 2007 Ford Focus 2.3L, 2004 to 2011 Ford Focus 2.0L, 2010 to 2013 Ford Transit Connect 2.0L, 2004 to 2005 Mazda 3 2.0L 2.3L, 2005 to 2006 and 2008 Mazda Tribute 2.3L, and 2005 to 2008 Mercury Mariner 2.3L FORD/ MAZDA/ MERCURY Owners please check the fitment bar and description before you BUY IT as the ignition coil pack can change based on the year/ month of manufacture of your vehicle COMPATIBLE PART NUMBERS: 4M5Z-12029-B, 4M5Z-12029-BA, 4M5Z-12029-BB, 4M5Z-12029-BC, 19145831, LF16-18-100B Lifetime Warranty 2008 Ford Fiesta 2004 - 2011 Ford Focus 2010 - 2013 Ford Transit Connect 2004 - 2005 Mazda 3 2005 - 2008 Ford Escape 2004 - 2005 Mazda 3 2004 - 2006 Mazda Tribute 2008 Mazda Tribute 2005 - 2008 Mercury Mariner 2003 - 2007 Ford Focus Eliminate misfire Direct replacement into vehicle Durable as they come Easy Installation Custom-made for the road Fit OE equipment with ease Tested in real life situations Most coils comepre-greased