Buy OEM Lexus Part # 8961512090 (89615-12090, 8961512050, 8961532010). Ignition Knock (Detonation) Sensor. Knock Sensor - Repair or Replace A failed Knock Sensor will often have no noticeable symptoms beyond

SENSOR, KNOCK CONTROL

Fits ES 300, GS 300, IS 300, RX 300, SC 300

Knock Sensor - Repair or Replace
A failed Knock Sensor will often have no noticeable symptoms beyond a check engine light or engine ping or knock, but it does cause your Lexus to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Lexus genuine parts.