Ignition coil Porsche 911 1969-83 & 930 1975-89 OE Match

Ignition coil Part Number: 901 602 502 00 (often written as 901-602-502-00 or 90160250200). Converts the battery’s 12 V into the high voltage necessary to ignite spark plugs via a Bosch Capacitive Discharge Ignition (CDI) system.

Common issues & symptoms of ignition coil failure

• Engine misfires and rough running, caused by inconsistent or weak spark delivery
• Difficulty starting or No start, worn or failing coils may prevent engine ignition, especially when cold
• Check Engine Light (CEL) misfires often trigger fault codes. While older models won’t display modern codes, CEL illumination is still common
• Loss of power / reduced fuel economy, Incomplete combustion leads to reduced performance and increased fuel consumption
• Backfiring or fuel odor, unburned fuel expelled through the exhaust may ignite, resulting in audible backfires or fuel smells