Knock Sensor MY06-21 44616AA210 The sensor surface can become

The sensor surface can become contaminated by oil and dirt and care must be taken when running oiled air filters to avoid excess oil being drawn across the sensor

Full 3in from connection flange through muffler

Multiple gasket thicknesses are available to suit different engine situations

250in wall thickness supports extreme loads

0GT MY12-14

Knock Sensor MY06-21 44616AA210 The sensor surface can becomeThe knock sensor bolts to the top of the engine block and generates a voltage signal based on a noise frequency that corresponds to engine knock. The ECU responds to the knock signal by reducing ignition timing. A faulty sensor or damaged wire lead or connector can set a fault code resulting in a CEL. Manufacturer Part No.: 22060AA140 What it fits: EJ257 MY06 21 WRX EJ255 MY06 14 Legacy EJ255 MY06 09 EJ253 MY06 10