UF621 Ignition Coil & SP530 Double Iridium Spark Plug for L4 Mazda 3, Mazda 6,Tribute/Ford Focus, EcoSport,Transit Connect,Escape/Mercury Mariner Replaces# FD505 DG522 9E5Z12029A DG-507 DG-541 C-1453

Compatible with: For 2005-2011 Ford Focus 2.0L L4 2003-2007 Ford Focus 2.3L L42007-2011 Ford Focus 2.5L L52005-2008 Ford Escape 2.3L L42009-2012 Ford EcoSport 2.0L L42010-2013 Ford Transit Connect 2.0L L42011-2012 Ford Transit Connect ELECTRIC. For 2004-2005 Mazda 3 2.0L L4 2004-2005 Mazda 3 2.3L L42005 Mazda 6 2.3L L42005-2008 Mazda Tribute 2.3L L4. For 2005-2008 Mercury Mariner 2.3L L4. Please see the second main picture for more vehicles before purchase.
^^Excellent Function: A faulty ignition coil & spark plug may result in engine misfire, rough engine idle, decrease in power, poor fuel economy etc. Every component either matches or improves on the OE design to ensure fast and easy installation with superior performance and reliability, to provide superior cold-start performance and a smoother running engine.
^^High-quality: The spark plug is double iridium spark plug, have a much longer working life, can work 100000 kilometers, consistent and stable spark. The ignition coil made of premium quality materials, stainless-steel spring with internal ferrite noise suppressor prevents radio frequency interference, advanced thermoplastic coil connector ensures proper connection and resists fractures caused by heat and thermai cycling, to better transfer the high voltage created by the engines spark plug.