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Bosch Iridium Spark Plug 9621
  • Part # 9621
  • SKU # 417844
Notes: Double iridium, Gap is pre-set. Do not gap.


2016 Mazda MX5 Miata Spark Plug

A 2016 MX5 Miata spark plug is one of the most crucial ignition components, as it uses electric current to combust gas and rev the engine in turn. This electrode material is necessary for proper operation, and if it is worn, the vehicle may stall, struggle to start, or experience engine misfires in cylinders. Browse our selection of 2016 Mazda MX5 Miata spark plugs from trusted brands and buy the right one for you.