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Global Parts 1811937 Ignition Knock (Detonation) Sensor
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:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2015 | Audi | R8 | 4.2L | V8 | N/A | Ignition Knock Sensor; Cylinders 3,4,7 and 8 | |
| 2015 | Audi | RS5 | 4.2L | V8 | N/A | Ignition Knock Sensor; Brown Connector, Cylinders 3-4 | |
| 2014 | Audi | R8 | 4.2L | V8 | N/A | Ignition Knock Sensor; Cylinders 3,4,7 and 8 | |
| 2014 | Audi | RS5 | 4.2L | V8 | N/A | Ignition Knock Sensor; Brown Connector, Cylinders 3-4 | |
| 2013 | Audi | RS5 | 4.2L | V8 | N/A | Ignition Knock Sensor; Brown Connector, Cylinders 3-4 | |
| 2012 | Audi | A8 Quattro | 4.2L | V8 | N/A | Ignition Knock Sensor; Cylinders 3,4,7 and 8 | |
| 2012 | Audi | R8 | 4.2L | V8 | N/A | Ignition Knock Sensor; Cylinders 3,4,7 and 8 | |
| 2012 | Audi | S5 | 4.2L | V8 | N/A | Ignition Knock Sensor; Brown Connector | |
| 2011 | Audi | A6 Quattro | 4.2L | V8 | N/A | Ignition Knock Sensor; Cylinders 3,4,7 and 8 | |
| 2011 | Audi | A8 Quattro | 4.2L | V8 | N/A | Ignition Knock Sensor; Cylinders 3,4,7 and 8 | |
| 2011 | Audi | R8 | 4.2L | V8 | N/A | Ignition Knock Sensor; Cylinders 3,4,7 and 8 | |
| 2011 | Audi | S5 | 4.2L | V8 | N/A | Ignition Knock Sensor; Brown Connector | |
| 2010 | Audi | A6 Quattro | 4.2L | V8 | N/A | Ignition Knock Sensor; Cylinders 3,4,7 and 8 | |
| 2010 | Audi | A8 Quattro | 4.2L | V8 | GAS | N/A | Ignition Knock Sensor; Cylinders 3,4,7 and 8 |
| 2010 | Audi | Q7 | 4.2L | V8 | GAS | N/A | Ignition Knock Sensor; Cylinders 3,4,7 and 8 |
| 2010 | Audi | R8 | 4.2L | V8 | N/A | Ignition Knock Sensor; Cylinders 3,4,7 and 8 | |
| 2010 | Audi | S5 | 4.2L | V8 | N/A | Ignition Knock Sensor; Brown Connector | |
| 2009 | Audi | A6 Quattro | 4.2L | V8 | N/A | Ignition Knock Sensor; Cylinders 3,4,7 and 8 | |
| 2009 | Audi | A8 Quattro | 4.2L | V8 | GAS | N/A | Ignition Knock Sensor; Cylinders 3,4,7 and 8 |
| 2009 | Audi | Q7 | 4.2L | V8 | GAS | N/A | Ignition Knock Sensor; Cylinders 3,4,7 and 8 |
| 2009 | Audi | R8 | 4.2L | V8 | N/A | Ignition Knock Sensor; Cylinders 3,4,7 and 8 | |
| 2009 | Audi | S5 | 4.2L | V8 | N/A | Ignition Knock Sensor; Brown Connector | |
| 2009 | Volkswagen | Touareg | 4.2L | V8 | N/A | Ignition Knock Sensor; 500mm Wire | |
| 2008 | Audi | A8 Quattro | 4.2L | V8 | GAS | N/A | Ignition Knock Sensor; Cylinders 3,4,7 and 8 |
| 2008 | Audi | Q7 | 4.2L | V8 | GAS | N/A | Ignition Knock Sensor; Cylinders 3,4,7 and 8 |
| 2008 | Audi | R8 | 4.2L | V8 | N/A | Ignition Knock Sensor; Cylinders 3,4,7 and 8 | |
| 2008 | Audi | RS4 | 4.2L | V8 | GAS | N/A | Ignition Knock Sensor; Brown connector; Cylinders 3, 4 |
| 2008 | Audi | S5 | 4.2L | V8 | N/A | Ignition Knock Sensor; Brown Connector | |
| 2008 | Volkswagen | Touareg | 4.2L | V8 | N/A | Ignition Knock Sensor; 500mm Wire | |
| 2007 | Audi | A8 Quattro | 4.2L | V8 | GAS | N/A | Ignition Knock Sensor; Brown Connector; w/ 500mm Wire Lead |
| 2007 | Audi | Q7 | 4.2L | V8 | N/A | Ignition Knock Sensor; Cylinders 3,4,7 and 8 | |
| 2007 | Audi | RS4 | 4.2L | V8 | GAS | N/A | Ignition Knock Sensor; Brown connector; Cylinders 3, 4 |
| 2007 | Volkswagen | Touareg | 4.2L | V8 | GAS | N/A | Ignition Knock Sensor; 500mm Wire; 40 Valve |
| 2006 | Audi | A8 Quattro | 4.2L | V8 | N/A | Ignition Knock Sensor; Brown Connector; w/ 500mm Wire Lead | |
| 2006 | Volkswagen | Phaeton | 6.0L | W12 | N/A | Ignition Knock Sensor; Brown Connector; 500mm Wire Lead | |
| 2006 | Volkswagen | Phaeton | 4.2L | V8 | N/A | Ignition Knock Sensor; Brown Connector; 500mm Wire Lead | |
| 2005 | Audi | A8 Quattro | 4.2L | V8 | N/A | Ignition Knock Sensor; Brown Connector; w/ 500mm Wire Lead | |
| 2005 | Volkswagen | Phaeton | 4.2L | V8 | N/A | Ignition Knock Sensor; Brown Connector; 500mm Wire Lead | |
| 2004 | Audi | A8 Quattro | 4.2L | V8 | N/A | Ignition Knock Sensor; Brown Connector; w/ 500mm Wire Lead | |
| 2004 | Volkswagen | Phaeton | 4.2L | V8 | N/A | Ignition Knock Sensor; Brown Connector; 500mm Wire Lead | |
| 2003 | Audi | A8 Quattro | 4.2L | V8 | N/A | Ignition 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.