HomeEmission Control > SensorsGlobal Parts 1811937 Ignition Knock (Detonation) Sensor
Part #: 1811937

Global Parts 1811937 Ignition Knock (Detonation) Sensor

41 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Audi and Volkswagen, R8, RS5, A8 Quattro, S5, A6 Quattro, Q7, Touareg, RS4, and Phaeton
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Reliable Ignition Knock Sensor for Audi and Volkswagen Vehicles

The Global Parts 1811937 Ignition Knock (Detonation) Sensor is designed to provide accurate knock detection for select Audi and Volkswagen models. This sensor helps maintain engine performance by detecting abnormal combustion and sending signals to the engine control unit.

  • Wiring harness length: 16.5 inches for flexible installation
  • Blade terminal type with 3 terminals for secure electrical connection
  • Single female oblong connector for precise fitment
  • Wiring harness included for convenience
  • Mounting hardware not included

Technical Details and Compatibility

This ignition knock sensor features a 16.5-inch wiring harness, allowing for straightforward routing within the engine bay. The blade terminal type with three terminals ensures reliable electrical contact, while the female oblong connector matches factory specifications. The included wiring harness simplifies installation, although mounting hardware is not part of the package. The part number 1811937 is compatible with various Audi and Volkswagen models, including Audi A6 Quattro, A8 Quattro, R8, RS4, RS5, S5, and Volkswagen Phaeton, Q7, and Touareg.

Common Applications and Problem Resolution

  • Detects engine knock or detonation to prevent engine damage
  • Helps improve fuel efficiency by optimizing ignition timing
  • Reduces engine hesitation and rough idling caused by knock
  • Prevents check engine light triggers related to knock sensor faults
  • Supports smooth engine performance in Audi and Volkswagen vehicles

Installation Notes and Tips

When installing the Global Parts 1811937 knock sensor, ensure the wiring harness is routed away from high-heat areas to prevent damage. Verify the female oblong connector securely mates with the vehicle’s wiring harness. Since mounting hardware is not included, reuse the original hardware or source compatible fasteners. Proper torque specifications should be followed to avoid sensor damage or improper function.

Quality Assurance and Warranty

Global Parts manufactures this ignition knock sensor to meet OEM standards for fit and function. The part number 1811937 undergoes quality checks to ensure reliable performance in Audi and Volkswagen vehicles. Warranty coverage details should be confirmed at the point of purchase, as they may vary.

This part fits 41 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2015AudiR84.2LV8N/AIgnition Knock Sensor; Cylinders 3,4,7 and 8
2015AudiRS54.2LV8N/AIgnition Knock Sensor; Brown Connector, Cylinders 3-4
2014AudiR84.2LV8N/AIgnition Knock Sensor; Cylinders 3,4,7 and 8
2014AudiRS54.2LV8N/AIgnition Knock Sensor; Brown Connector, Cylinders 3-4
2013AudiRS54.2LV8N/AIgnition Knock Sensor; Brown Connector, Cylinders 3-4
2012AudiA8 Quattro4.2LV8N/AIgnition Knock Sensor; Cylinders 3,4,7 and 8
2012AudiR84.2LV8N/AIgnition Knock Sensor; Cylinders 3,4,7 and 8
2012AudiS54.2LV8N/AIgnition Knock Sensor; Brown Connector
2011AudiA6 Quattro4.2LV8N/AIgnition Knock Sensor; Cylinders 3,4,7 and 8
2011AudiA8 Quattro4.2LV8N/AIgnition Knock Sensor; Cylinders 3,4,7 and 8
2011AudiR84.2LV8N/AIgnition Knock Sensor; Cylinders 3,4,7 and 8
2011AudiS54.2LV8N/AIgnition Knock Sensor; Brown Connector
2010AudiA6 Quattro4.2LV8N/AIgnition Knock Sensor; Cylinders 3,4,7 and 8
2010AudiA8 Quattro4.2LV8GASN/AIgnition Knock Sensor; Cylinders 3,4,7 and 8
2010AudiQ74.2LV8GASN/AIgnition Knock Sensor; Cylinders 3,4,7 and 8
2010AudiR84.2LV8N/AIgnition Knock Sensor; Cylinders 3,4,7 and 8
2010AudiS54.2LV8N/AIgnition Knock Sensor; Brown Connector
2009AudiA6 Quattro4.2LV8N/AIgnition Knock Sensor; Cylinders 3,4,7 and 8
2009AudiA8 Quattro4.2LV8GASN/AIgnition Knock Sensor; Cylinders 3,4,7 and 8
2009AudiQ74.2LV8GASN/AIgnition Knock Sensor; Cylinders 3,4,7 and 8
2009AudiR84.2LV8N/AIgnition Knock Sensor; Cylinders 3,4,7 and 8
2009AudiS54.2LV8N/AIgnition Knock Sensor; Brown Connector
2009VolkswagenTouareg4.2LV8N/AIgnition Knock Sensor; 500mm Wire
2008AudiA8 Quattro4.2LV8GASN/AIgnition Knock Sensor; Cylinders 3,4,7 and 8
2008AudiQ74.2LV8GASN/AIgnition Knock Sensor; Cylinders 3,4,7 and 8
2008AudiR84.2LV8N/AIgnition Knock Sensor; Cylinders 3,4,7 and 8
2008AudiRS44.2LV8GASN/AIgnition Knock Sensor; Brown connector; Cylinders 3, 4
2008AudiS54.2LV8N/AIgnition Knock Sensor; Brown Connector
2008VolkswagenTouareg4.2LV8N/AIgnition Knock Sensor; 500mm Wire
2007AudiA8 Quattro4.2LV8GASN/AIgnition Knock Sensor; Brown Connector; w/ 500mm Wire Lead
2007AudiQ74.2LV8N/AIgnition Knock Sensor; Cylinders 3,4,7 and 8
2007AudiRS44.2LV8GASN/AIgnition Knock Sensor; Brown connector; Cylinders 3, 4
2007VolkswagenTouareg4.2LV8GASN/AIgnition Knock Sensor; 500mm Wire; 40 Valve
2006AudiA8 Quattro4.2LV8N/AIgnition Knock Sensor; Brown Connector; w/ 500mm Wire Lead
2006VolkswagenPhaeton6.0LW12N/AIgnition Knock Sensor; Brown Connector; 500mm Wire Lead
2006VolkswagenPhaeton4.2LV8N/AIgnition Knock Sensor; Brown Connector; 500mm Wire Lead
2005AudiA8 Quattro4.2LV8N/AIgnition Knock Sensor; Brown Connector; w/ 500mm Wire Lead
2005VolkswagenPhaeton4.2LV8N/AIgnition Knock Sensor; Brown Connector; 500mm Wire Lead
2004AudiA8 Quattro4.2LV8N/AIgnition Knock Sensor; Brown Connector; w/ 500mm Wire Lead
2004VolkswagenPhaeton4.2LV8N/AIgnition Knock Sensor; Brown Connector; 500mm Wire Lead
2003AudiA8 Quattro4.2LV8N/AIgnition Knock Sensor; Brown Connector; w/ 500mm Wire Lead; From VIN # 4E3000001

* 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.