Ignition coil wires

OEM: BERU ZEF990 0300890990 036905409K 036905483G

Disassembled car photo

Engine running

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Details for this exact part

Code
BERU ZEF990 0300890990 036905409K 036905483G
OEM
BERU ZEF990 0300890990 036905409K 036905483G
Condition
Used
Availability
3 in stock - ready to ship
Make, model
Other used and new parts

What is this part and why does it matter?

This wiring connects the ECU to each ignition coil, carrying the trigger signal that fires each coil at the precise correct moment.

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Signs of a faulty part

If you notice any of the following, the part likely needs replacement:

  • Engine misfire on one or more cylinders
  • Check Engine light with a misfire or ignition-related fault code
  • Engine won’t start

Installation information

Routes from the ECU to each coil location — check for secure, correctly seated connectors after installation.

Frequently asked questions

Both a bad wiring connection and a failed coil can produce the same symptom (a misfire on a specific cylinder), so a mechanic will typically test the wiring’s continuity and connection before condemning the coil itself.

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