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SCITOO Knock Sensor with Harness 12589867 fits for 2003-2007 for GMC Savana 2500 4.8L 2003-2007 for GMC Savana 2500 6.0L 2004-2007 for GMC Savana 3500 4.8L 2003-2007 for GMC Savana 3500 6.0L
A knock sensor is like a small equipment microphone that is usually attached to the engine block and listens for a couple of things that a engine might do. One thing it listens for is pre-ignition or knocking inside the engine usually caused by a...
$21.37 Free Delivery
