Pack of 4 Ignition Coils for Ford Mazda Mercury 2.0L 2.3L Engine FD505 DG501 DG504 DG507 (DG507-UPDATE) HIGH QUALITYDirectly replace OEM components and will fit exactly for easy installation. COMPATIBLE VEHICLES Please check the description or use the year/make/model drop down bar and interchangeable part numbers to confirm the compatibility before purchase OE NUMBERDG507 DG541 C1453 19145831 LF16-18-100B 4M5Z-12029-BA 4M5Z-12029-BB 4M5Z-12029-BC FITMENTIGNITION 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 LIFE TIME WarrantyNo worry about the warranty.