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87-89 Electronic Spark Knock Sensor
Item #:
EH-440
$64.99
In Stock - Ships today if ordered by 3:00 PM ET
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1987-1989 Corvette knock sensor is screwed into your C4 Corvette's engine block or cylinder head and is used to detect engine knock or detonation. The information is relayed to the ECM/PCM (computer) and is used to fine tune ignition timing. A bad knock sensor can cause a faulty code to set and may also cause ignition timing to be skewed.

(GM Part 1997699, 10456018)

Installation difficulty: 3

Our technicians have determined that the installation difficulty level of this item is a 3 on a scale of 1-5. Read more about our install ratings here.

Model Years

More Information
Generation C4
Model Year 1987, 1988, 1989
Additional Item Information
  • OE GM PART #: 1997699, 10456018 *GM part # provided for lookup purposes only.
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