Photo 1 of ACDelco GM Original Equipment 213-1576 Ignition Knock (Detonation) Sensor 1 Count (Pack of 1)

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Photo 1 of ACDelco GM Original Equipment 213-1576 Ignition Knock (Detonation) Sensor 1 Count (Pack of 1)Photo 2 of ACDelco GM Original Equipment 213-1576 Ignition Knock (Detonation) Sensor 1 Count (Pack of 1)