HomeEmission Control > SensorsGlobal Parts 1811784 Ignition Knock (Detonation) Sensor
Part #: 1811784

Global Parts 1811784 Ignition Knock (Detonation) Sensor

29 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet and GMC, Express 1500, Express Cargo, Savana 1500, Silverado 1500, Sierra 1500, Silverado 1500 Classic, and Sierra 1500 Classic
Easy Returns — Return within 60 days for a full refund
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Overview of Global Parts Ignition Knock Sensor 1811784

The Global Parts Ignition Knock (Detonation) Sensor 1811784 is designed for precise detection of engine knock in select Chevrolet and GMC trucks. This sensor helps maintain optimal engine performance by monitoring detonation and sending accurate signals to the engine control unit.

  • Terminal Type: Blade for secure electrical connection
  • Connector Shape: Oblong to fit specific vehicle harnesses
  • Terminal Quantity: 3 terminals for reliable signal transmission
  • Connector Gender: Female for proper mating with male terminals
  • Terminal Gender: Male terminals ensuring firm contact

Detailed Product Description

This ignition knock sensor from Global Parts features a blade terminal type that ensures a stable and corrosion-resistant connection. The oblong connector shape is engineered to match the wiring harnesses of Chevrolet Express 1500, GMC Savana 1500, Sierra 1500, Sierra 1500 Classic, Silverado 1500, and Silverado 1500 Classic models. With three male terminals inside a female connector housing, this sensor provides consistent and accurate knock detection signals to the engine control module, helping to prevent engine damage caused by detonation.

Compatible Vehicles and Applications

This sensor is compatible with the following vehicles:

  • Chevrolet Express 1500
  • GMC Savana 1500
  • Chevrolet Silverado 1500 and Silverado 1500 Classic
  • GMC Sierra 1500 and Sierra 1500 Classic

Common Issues Addressed by Part Number 1811784

  • Engine knocking or pinging under load
  • Reduced engine performance due to improper ignition timing
  • Check engine light triggered by knock sensor fault codes
  • Increased fuel consumption from inefficient combustion
  • Potential engine damage from undetected detonation

Installation Notes and Tips

When installing the Global Parts ignition knock sensor 1811784, ensure the connector is fully seated and the blade terminals are clean and free of corrosion. Use a torque wrench to tighten the sensor to manufacturer specifications to avoid damage. Verify compatibility with your vehicle’s make and model before installation to ensure proper fitment.

Quality Assurance and Warranty

Global Parts manufactures this ignition knock sensor to meet OEM standards for fit, form, and function. The part number 1811784 undergoes rigorous quality control to ensure durability and reliable performance. Please refer to Global Parts’ warranty policy for coverage details.

This part fits 29 vehicles. Search below:

YearMakeModelSubmodelDrive TypeLitersCylindersFuel TypePositionNotes
2016ChevroletSilverado 15004.3LV6N/A
2014ChevroletExpress 15004.3LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2014GMCSavana 15004.3LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2013ChevroletExpress 1500BaseAWD4.3LV6GASN/A
2013ChevroletSilverado 15004.3LV6N/A
2012ChevroletExpress 15004.3LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2012ChevroletSilverado 15004.3LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2012GMCSavana 15004.3LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2012GMCSierra 15004.3LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2011ChevroletExpress 15004.3LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2011ChevroletSilverado 15004.3LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2011GMCSavana 15004.3LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2011GMCSierra 15004.3LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2010ChevroletExpress 15004.3LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2010ChevroletSilverado 15004.3LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2010GMCSavana 15004.3LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2010GMCSierra 15004.3LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2009ChevroletExpress 15004.3LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2009ChevroletSilverado 15004.3LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2009GMCSavana 15004.3LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2009GMCSierra 15004.3LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2008ChevroletExpress 15004.3LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2008ChevroletSilverado 15004.3LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2008GMCSavana 15004.3LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2008GMCSierra 15004.3LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2007ChevroletSilverado 15004.3LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2007ChevroletSilverado 1500 Classic4.3LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2007GMCSierra 15004.3LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2007GMCSierra 1500 Classic4.3LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.