Replacement Ignition Coil Pack - The ignition coils or ignition coil plug provides spark for your engine. Over time the factory ignition coil packs can fail leading to poor gas mileage, hesitation, and a check engine light (CEL). Replace your faulty ignition coil and restore performance and driveability on your Miata.. Replaces Part# BP4W1810XB9U, BP4W1810XA, BP4W1810XB, BP4W1810X, 88921398, C1186, BP4W-18-10X, 178-8492 commonly found on popular 98, 99, 00 Miata. By providing the proper spark to the spark plug all of the common running issues can be resolved.. OEM Fit, Quality, Finish - While this is not a genuine OEM part, it is a direct replacement for your Miata and it will appear, fit and work like the factory part. Save time and hundreds of dollars off of dealer prices by replacing it yourself..
