Replace part numbers: 30530PPLA01,30530-PNA-003,KS197,30530-PPL-A01,158-0917,SU6143
12-month-warranty:During the warranty,if there is any problem with knock sensors,please contact us,we will refund you or send you a brand new knock sensor kit replacement.
The engine knock sensor detects the vibration or mechanical pressure of the engine, converts the information of engine knock into an electrical signal, and transmits it to the electronic control module. These signals are used to adjust the ignition timing, thereby preventing engine detonation from occurring