Buy 2003 Porsche Cayenne Direct Ignition Coil. Ignition Coil - Repair or Replace A failed ignition Plug, Voltage - OEM Porsche Part # 99760210400 (997-602-104-00)

Coil On Plug (COP) Ignition Coil. Direct Ignition Coil.
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

Fits 911

Ignition Coil - Repair or Replace
A failed ignition coil in your 2003 Porsche Cayenne can lead to anything from an intermittent misfire to a car that won't start.