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CCIYU knock sensor Fit for SU4769 1999-2004 for Nissan Frontier 3.3L 2000 for Nissan Pathfinder 3.3L 1999-2002 for Nissan Quest 3.3L 2000-2004 for Nissan Xterra 2.4L
A vehicle knock sensor is a sensor screwed into the engine s block or cylinder head. It is used to detect engine knock or detonation (there is a piezoelectric element inside the sensor). The signal from the knock sensor is sent to the PCM/ECM and...
$9.90 $8.91 Free Delivery
