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    ACDelco Ignition Knock (Detonation) Sensor

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    Warranty Information
    • Product Details

      Part No. 213-3521

      Warranty Details (2 YR REPLACEMENT IF DEFECTIVE)

      ACDelco GM Original Equipment Ignition Knock (Detonation) Sensors monitor the engine for pinging or spark knock, and are GM-recommended replacements for your vehicle's original components. These sensors create a voltage signal based on the vibrations caused by erratic air/fuel mixture combustion; the engine control module uses these signals to adjust the ignition timing and air/fuel mixture. These original equipment ignition knock sensors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

      Product Features:

      • Sends signals to the engine control module (ECM) to adjust timing
      • Helps prevent damage to the engine caused by pre-ignition
      • GM-recommended replacement part for your GM vehicle's original factory component
      • Offering the quality, reliability, and durability of GM OE
      • Manufactured to GM OE specification for fit, form, and function

    • Specifications
      • Connector Gender:Male
        Connector Quantity:1
        Connector Shape:Round
        Length:2.21 in
        Meets or Exceeds Original Equipment Manufacture Specifications:Yes
        Mounting Hardware Included:No
        Terminal Quantity:1
        Terminal Type:Pin
        Threaded End Diameter:0.39 in
        Wire Harness Included:No
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