Seller notes

Suitable for Fiat knock sensor OE: 0251231120309053053710261231126The knock sensor is installed in the middle of the engine cylinder block. Taking a four cylinder engine as an example, it is installed between cylinders 2 and 3, or between cylinders 1 and 2, or between cylinders 3 and 4. Its function is to measure engine vibration and adjust the ignition advance angle when the engine produces detonation. Explosion sensor package: 1 piece...

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