Mazda 3/6/CX-7 Ignition Coil 6M9G12A366 L3G218100A

This ignition coil is designed for Mazda 3 (2006-2013) 2.0L/2.3L, Mazda 6 (2003-2013) 2.0L/2.3L, and Mazda CX-7 (2007-2012) 2.3T L3 engines; directly replaces original 6M9G12A366, L3G218100A and 0997001062 numbers to ensure exact match. Converts low voltage to high voltage to drive spark plugs; if idle jitter, weak acceleration, or engine check light on, first check this part. Replacement difficulty medium; remove ignition coil mounting screws and unplug harness; recommended to replace spark plugs simultaneously for optimal performance. As a KLP brand OEM substitute, provides identical electrical parameters to OEM; suitable for bulk purchase for repair shops or fleets to reduce single-repair costs.