Knock sensor OPEL VECTRA C 2002

OEM: 12567711

Disassembled car photo

Engine running

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Details for this exact part

Code
12567711
OEM
12567711
Condition
Used
Availability
1 in stock - ready to ship
Make, model
OPEL VECTRA 2001-2005
Year
2002
Engine
Diesel 1.9 92KW
VIN
W0L0ZCF6921030918

What is this part and why does it matter?

The knock sensor detects abnormal combustion vibrations (engine knock/pinging), letting the ECU retard ignition timing to prevent engine damage.

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Signs of a faulty part

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

  • Reduced power or performance, especially under load
  • Check Engine light with a knock sensor fault code
  • Audible pinging or knocking noise from the engine (if the ECU hasn’t fully compensated)

Installation information

Screws into the engine block — torque to the specified value, as incorrect torque can affect the sensor’s vibration sensitivity.

Frequently asked questions

Without reliable knock detection, the ECU defaults to a conservative, retarded ignition timing to protect the engine from potential damage, which reduces power and efficiency as a safety precaution.

Donor vehicle description

VIN
W0L0ZCF6921030918
Make, model
OPEL VECTRA C
Year
2002
Engine
Diesel 1.9 92KW
Transmission
Manual 5-speed
Drive
Front
Colour
L157

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What our customers say

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    August 2026

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    June 2026

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    Front fender
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