UF540 Ignition Coil & 3811 Double Iridium Spark Plug For 2006-2013 Mazda 3 Mazda 6 CX-7 MX-5 L4 Replaces# C1683 L3G218100A 5C1740 L3G2-18-100B 4PCS

Compatible with: For 2007-2012 Mazda CX-7 L4 2.3L 2010-2012 Mazda CX-7 L4 2.5L 2006-2008 Mazda MX-5 L4 2.0L 2010-2012 Mazda MX-5 L4 2.0L 2006-2015 Mazda MX-5 Miata L4 2.0L 2006-2011 Mazda 3 L4 2.0L 2012-2013 Mazda 3 L4 2.0L W/O Skyactiv Technology2006-2012 Mazda 3 L4 2.3L 2010-2013 Mazda 3 L4 2.5L 2009-2010 Mazda 3 Sport L4 2.0L 2012-2013 Mazda 3 Sport L4 2.0L 2012-2013 Mazda 3 Sport L4 2.5L 2006-2008 Mazda 6 L4 2.3L 2009-2013 Mazda 6 L4 2.5L. 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 engine's spark plug.