HomeEmission Control > SensorsGlobal Parts 1811781 Ignition Knock (Detonation) Sensor
Part #: 1811781

Global Parts 1811781 Ignition Knock (Detonation) Sensor

75 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Acura and Honda, RDX, TL, Odyssey, Pilot, Ridgeline, MDX, RL, Accord, Civic, Crosstour, TSX, ZDX, and Accord Crosstour
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Reliable Ignition Knock Sensor for Acura and Honda Vehicles

The Global Parts 1811781 Ignition Knock (Detonation) Sensor is designed to provide accurate knock detection for various Acura and Honda models. This sensor helps maintain engine performance by detecting abnormal combustion and sending signals to the engine control unit.

  • Length: 1.92 inches for precise fitment
  • Blade terminal type ensuring secure electrical connection
  • Single rectangular female connector for easy installation
  • Includes one connector with one terminal for streamlined wiring
  • Mounting hardware not included, compatible with factory mounting points

Detailed Product Description

The Global Parts 1811781 ignition knock sensor is engineered to detect engine detonation or knocking in Acura and Honda vehicles such as the Accord, Civic, MDX, Odyssey, Pilot, and more. With a length of 1.92 inches, this sensor fits accurately in the designated engine location. It features a blade terminal type and a single rectangular female connector, which simplifies the electrical connection process. The sensor includes one connector and one terminal, designed to interface directly with the vehicle’s wiring harness. While mounting hardware is not included, the sensor is compatible with existing factory mounting points, ensuring a straightforward replacement process.

Compatible Vehicles and Applications

This ignition knock sensor is compatible with a range of Acura and Honda models, including:

  • Acura TL, TSX, RL, RDX, ZDX
  • Honda Accord, Accord Crosstour, Civic, Crosstour
  • Honda MDX, Odyssey, Pilot, Ridgeline

It is specifically designed to work with the engine management systems in these vehicles to detect and report engine knock, helping to optimize ignition timing and prevent engine damage.

Common Issues Addressed by the Ignition Knock Sensor

  • Engine knocking or pinging during acceleration
  • Reduced fuel efficiency due to improper ignition timing
  • Check engine light triggered by knock sensor fault codes
  • Engine performance issues related to detonation detection failure
  • Potential engine damage from undetected knocking

Installation Notes and Tips

  • Ensure the engine is cool before sensor replacement
  • Disconnect the battery to prevent electrical shorts
  • Locate the existing knock sensor on the engine block or cylinder head
  • Use appropriate tools to remove the old sensor without damaging surrounding components
  • Connect the new sensor’s rectangular female connector securely to the wiring harness
  • Verify sensor length and terminal type match the original for proper fit

Quality Assurance and Warranty

Global Parts manufactures the 1811781 ignition knock sensor to meet OEM specifications for Acura and Honda vehicles. While mounting hardware is not included, the sensor undergoes quality checks to ensure reliable performance. Please refer to Global Parts’ warranty policy for coverage details on this part number.

This part fits 75 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2015AcuraRDX3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2015HondaOdyssey3.5LV6N/A
2015HondaPilot3.5LV6N/A
2014AcuraRDX3.5LV6N/A
2014AcuraTL3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2014AcuraTL3.7LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2014AcuraTSX3.5LV6N/A
2014HondaOdyssey3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2014HondaPilot3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2014HondaRidgeline3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2013AcuraMDX3.7LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2013AcuraRDX3.5LV6N/A
2013AcuraTL3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2013AcuraTL3.7LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2013AcuraTSX3.5LV6N/A
2013AcuraZDX3.7LV6N/A
2013HondaOdyssey3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2013HondaPilot3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2013HondaRidgeline3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2012AcuraMDX3.7LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2012AcuraRL3.7LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2012AcuraTL3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2012AcuraTL3.7LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2012AcuraTSX3.5LV6N/A
2012AcuraZDX3.7LV6N/A
2012HondaAccord3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2012HondaCivic1.5LL4ELECTRIC/GASN/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2012HondaCivic1.8LL4N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2012HondaCrosstour3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2012HondaOdyssey3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2012HondaPilot3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2012HondaRidgeline3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2011AcuraMDX3.7LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2011AcuraRL3.7LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2011AcuraTL3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2011AcuraTL3.7LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2011AcuraTSX3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2011AcuraZDX3.7LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2011HondaAccord3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2011HondaAccord Crosstour3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2011HondaCivic1.8LL4N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2011HondaOdyssey3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2011HondaPilot3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2011HondaRidgeline3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2010AcuraMDX3.7LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2010AcuraRL3.7LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2010AcuraTL3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2010AcuraTL3.7LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2010AcuraTSX3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2010AcuraZDX3.7LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2010HondaAccord3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2010HondaAccord Crosstour3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2010HondaCivic1.8LL4N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2010HondaOdyssey3.5LV6N/AIgnition Knock Sensor; with Engine Code J35A7
2010HondaPilot3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2010HondaRidgeline3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2009AcuraMDX3.7LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2009AcuraRL3.7LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2009AcuraTL3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2009AcuraTL3.7LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2009HondaAccord3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2009HondaCivic1.8LL4N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2009HondaOdyssey3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2009HondaPilot3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2009HondaRidgeline3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2008AcuraMDX3.7LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2008HondaAccord3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2008HondaCivic1.8LL4N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2008HondaOdyssey3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2007AcuraMDX3.7LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2007HondaAccord3.0LV6ELECTRIC/GASN/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2007HondaCivic1.8LL4N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2006AcuraMDX3.5LV6N/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2006HondaAccord3.0LV6ELECTRIC/GASN/AEnsure compatibility prior to purchasing this Ignition Knock Sensor.
2006HondaCivic1.8LL4N/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.