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Knock Sensor Flat Response GM PCM OEM Item R020052

$27.00 $28.95

Flat Response Knock Sensor PCM 2008 & up - GM 5.0L, 5.7L & 6.0L Some exceptions where the old style knock sensor was used on both sides of the block...

Flat Response Knock Sensor PCM 2008 & up - GM 5.0L, 5.7L & 6.0L

Some exceptions where the old style knock sensor was used on both sides of the block (Item# R020027) after 2008

Engine sensor sends a signal to the ECM when abnormal ignition occurs