Buy OEM General Motors Part # 19316340. Direct Ignition Coil. City Express. Ignition Coil - Repair or Replace A failed ignition coil in your can lead to

Coil. Ignition. On Plug (COP). Direct.
An induction Coil, placed on each sparkPlug of a vehicle and used with and ECU and a Camshaft or Crankshaft position sensor for timing, to transform a vehicles battery voltage to a much higher voltage needed to create proper spark in the spark Plug.

Direct Ignition Coil

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City Express.
Ignition Coil - Repair or Replace
A failed ignition coil in your can lead to anything from an intermittent misfire to a car that won't start.