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FacetPart #: 9.3170
Facet 9.3170 Ignition Knock (Detonation) Sensor - Front Left or Rear Right
121 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Audi and Volkswagen, A8 Quattro, RS7, S6, S7, S8, R8, RS5, S5, A6 Quattro, Q7, S4, Touareg, RS4, and Allroad Quattro
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Not what you need? See all Ignition Knock (Detonation) Sensor options
Reliable Ignition Knock Sensor for Audi and Volkswagen Models
The Facet 9.3170 ignition knock (detonation) sensor is designed to provide accurate detection of engine knock in select Audi and Volkswagen vehicles. This sensor helps maintain optimal engine performance by monitoring detonation and sending precise signals to the engine control unit.
- Compatible with Audi A6 Quattro, A8 Quattro, Allroad Quattro, Q7, R8, RS4, RS5, RS7, S4, S5, S6, S7, S8 and Volkswagen Touareg
- Part number 9.3170 ensures exact fit and function
- Detects engine knock to prevent potential damage
- Durable construction for consistent performance
- Direct replacement sensor for emission control systems
Product Overview and Functionality
The Facet 9.3170 ignition knock sensor is an essential component in the emission control system of various Audi and Volkswagen models. It detects abnormal combustion or detonation within the engine cylinders and relays this information to the vehicle’s engine control module (ECM). By accurately sensing knock, the ECM can adjust ignition timing to optimize engine efficiency and reduce harmful emissions. This sensor is engineered to meet OEM specifications, ensuring reliable operation and compatibility with the listed vehicle models.
Common Applications and Problem Resolution
- Helps prevent engine knocking and pinging
- Reduces risk of engine damage due to detonation
- Improves fuel efficiency by enabling proper ignition timing adjustments
- Supports emission control compliance by maintaining engine performance
- Resolves check engine light issues related to knock sensor faults
Installation Notes and Tips
- Ensure vehicle compatibility with Audi and Volkswagen models listed before installation
- Disconnect the battery prior to sensor replacement to avoid electrical issues
- Use proper torque specifications when securing the sensor to avoid damage
- Inspect wiring and connectors for corrosion or damage during installation
- Clear any diagnostic trouble codes after installation to reset the ECM
Quality Assurance and Warranty Information
Facet manufactures the 9.3170 ignition knock sensor to meet stringent quality standards, ensuring durability and reliable performance. While specific warranty details may vary, Facet products typically come with a limited warranty covering defects in materials and workmanship. This sensor is designed to provide consistent operation within the emission control system of compatible Audi and Volkswagen vehicles.
This part fits 121 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2016 | Audi | A8 Quattro | L | 4.0L | V8 | N/A | Cylinder 5 and 6 knock sensor detection. |
| 2016 | Audi | RS7 | Base | 4.0L | V8 | N/A | Cylinder 5 and 6 knock sensor detection. |
| 2016 | Audi | RS7 | Performance | N/A | Cylinder 5 and 6 knock sensor detection. | ||
| 2016 | Audi | S6 | Premium Plus | N/A | Cylinder 5 and 6 knock sensor detection. | ||
| 2016 | Audi | S6 | Prestige | N/A | Cylinder 5 and 6 knock sensor detection. | ||
| 2016 | Audi | S7 | Base | 4.0L | V8 | N/A | Cylinder 5 and 6 knock sensor detection. |
| 2016 | Audi | S8 | Base | 4.0L | V8 | N/A | Cylinder 5 and 6 knock sensor detection. |
| 2015 | Audi | A8 Quattro | L | 4.0L | V8 | N/A | Cylinder 5 and 6 knock sensor detection. |
| 2015 | Audi | A8 Quattro | Base | 4.0L | V8 | N/A | Cylinder 5 and 6 knock sensor detection. |
| 2015 | Audi | R8 | Base | 4.2L | V8 | N/A | Ignition Knock (Detonation) Sensor fits cylinders 1, 2, 5, and 6. |
| 2015 | Audi | R8 | Spyder | 4.2L | V8 | N/A | Ignition Knock (Detonation) Sensor fits cylinders 1, 2, 5, and 6. |
| 2015 | Audi | RS5 | Base | 4.2L | V8 | N/A | Fits cylinders 5 and 6, color: black. |
| 2015 | Audi | RS5 | Cabriolet | N/A | Fits cylinders 5 and 6, color: black. | ||
| 2015 | Audi | RS7 | Base | 4.0L | V8 | N/A | Cylinder 5 and 6 knock sensor detection. |
| 2015 | Audi | S6 | Base | N/A | Cylinder 5 and 6 knock sensor detection. | ||
| 2015 | Audi | S7 | Base | N/A | Cylinder 5 and 6 knock sensor detection. | ||
| 2015 | Audi | S8 | Base | 4.0L | V8 | N/A | Cylinder 5 and 6 knock sensor detection. |
| 2014 | Audi | A8 Quattro | Base | 4.0L | V8 | N/A | Cylinder 5 and 6 knock sensor detection. |
| 2014 | Audi | A8 Quattro | L | 4.0L | V8 | N/A | Cylinder 5 and 6 knock sensor detection. |
| 2014 | Audi | R8 | Spyder | 4.2L | V8 | N/A | Ignition Knock (Detonation) Sensor fits cylinders 1, 2, 5, and 6. |
| 2014 | Audi | R8 | Base | 4.2L | V8 | N/A | Ignition Knock (Detonation) Sensor fits cylinders 1, 2, 5, and 6. |
| 2014 | Audi | RS5 | Base | 4.2L | V8 | N/A | Fits cylinders 5 and 6, color: black. |
| 2014 | Audi | RS5 | Cabriolet | N/A | Fits cylinders 5 and 6, color: black. | ||
| 2014 | Audi | RS7 | Base | N/A | Cylinder 5 and 6 knock sensor detection. | ||
| 2014 | Audi | S6 | Base | 4.0L | V8 | N/A | Cylinder 5 and 6 knock sensor detection. |
| 2014 | Audi | S7 | Base | 4.0L | V8 | N/A | Cylinder 5 and 6 knock sensor detection. |
| 2014 | Audi | S8 | Base | 4.0L | V8 | N/A | Cylinder 5 and 6 knock sensor detection. |
| 2013 | Audi | A8 Quattro | L | 4.0L | V8 | N/A | Cylinder 5 and 6 knock sensor detection. |
| 2013 | Audi | A8 Quattro | Base | 4.0L | V8 | N/A | Cylinder 5 and 6 knock sensor detection. |
| 2013 | Audi | RS5 | Base | 4.2L | V8 | N/A | Fits cylinders 5 and 6, color: black. |
| 2013 | Audi | S6 | Base | 4.0L | V8 | N/A | Cylinder 5 and 6 knock sensor detection. |
| 2013 | Audi | S7 | Base | 4.0L | V8 | N/A | Cylinder 5 and 6 knock sensor detection. |
| 2013 | Audi | S8 | Base | 4.0L | V8 | N/A | Cylinder 5 and 6 knock sensor detection. |
| 2012 | Audi | A8 Quattro | L | N/A | Color-Black; 345mm Harness; Cylinder 1,2,5,6; For Cyl.1,2,5,6 | ||
| 2012 | Audi | A8 Quattro | Base | N/A | Color-Black; 345mm Harness; Cylinder 1,2,5,6; For Cyl.1,2,5,6 | ||
| 2012 | Audi | R8 | Base | 4.2L | V8 | N/A | Ignition Knock (Detonation) Sensor fits cylinders 1, 2, 5, and 6. |
| 2012 | Audi | R8 | Spyder | 4.2L | V8 | N/A | Ignition Knock (Detonation) Sensor fits cylinders 1, 2, 5, and 6. |
| 2012 | Audi | S5 | Base | 4.2L | V8 | N/A | Ignition Knock (Detonation) Sensor fits cylinders 1, 2, 5, and 6. |
| 2011 | Audi | A6 Quattro | Base | 4.2L | V8 | N/A | Color-Black; 345mm Harness; Cylinder 1,2,5,6; For Cyl.1,2,5,6 |
| 2011 | Audi | A8 Quattro | L | N/A | Color-Black; 345mm Harness; Cylinder 1,2,5,6; For Cyl.1,2,5,6 | ||
| 2011 | Audi | A8 Quattro | Base | N/A | Color-Black; 345mm Harness; Cylinder 1,2,5,6; For Cyl.1,2,5,6 | ||
| 2011 | Audi | R8 | Spyder | 4.2L | V8 | N/A | Ignition Knock (Detonation) Sensor fits cylinders 1, 2, 5, and 6. |
| 2011 | Audi | R8 | Base | 4.2L | V8 | N/A | Ignition Knock (Detonation) Sensor fits cylinders 1, 2, 5, and 6. |
| 2011 | Audi | S5 | Base | 4.2L | V8 | N/A | Ignition Knock (Detonation) Sensor fits cylinders 1, 2, 5, and 6. |
| 2010 | Audi | A6 Quattro | Base | 4.2L | V8 | N/A | Color-Black; 345mm Harness; Cylinder 1,2,5,6; For Cyl.1,2,5,6 |
| 2010 | Audi | A8 Quattro | Base | 4.2L | V8 | N/A | Color-Black; 345mm Harness; Cylinder 1,2,5,6; For Cyl.1,2,5,6 |
| 2010 | Audi | A8 Quattro | L | N/A | Color-Black; 345mm Harness; Cylinder 1,2,5,6; For Cyl.1,2,5,6 | ||
| 2010 | Audi | Q7 | Prestige | N/A | Ignition Knock (Detonation) Sensor fits cylinders 1, 2, 5, and 6. | ||
| 2010 | Audi | R8 | Base | 4.2L | V8 | N/A | Ignition Knock (Detonation) Sensor fits cylinders 1, 2, 5, and 6. |
| 2010 | Audi | S5 | Base | 4.2L | V8 | N/A | Ignition Knock (Detonation) Sensor fits cylinders 1, 2, 5, and 6. |
| 2009 | Audi | A6 Quattro | Base | 4.2L | V8 | N/A | Color-Black; 345mm Harness; Cylinder 1,2,5,6; For Cyl.1,2,5,6 |
| 2009 | Audi | A8 Quattro | L | 4.2L | V8 | N/A | Color-Black; 345mm Harness; Cylinder 1,2,5,6; For Cyl.1,2,5,6 |
| 2009 | Audi | A8 Quattro | Base | N/A | Color-Black; 345mm Harness; Cylinder 1,2,5,6; For Cyl.1,2,5,6 | ||
| 2009 | Audi | Q7 | Premium | 4.2L | V8 | N/A | Ignition Knock (Detonation) Sensor fits cylinders 1, 2, 5, and 6. |
| 2009 | Audi | R8 | Base | 4.2L | V8 | N/A | Ignition Knock (Detonation) Sensor fits cylinders 1, 2, 5, and 6. |
| 2009 | Audi | S4 | Cabriolet | Rear Right | Ignition Knock Sensor with black color and 345mm harness. | ||
| 2009 | Audi | S4 | Cabriolet | Front Left | Ignition Knock Sensor with black color and 345mm harness. | ||
| 2009 | Audi | S5 | Base | 4.2L | V8 | N/A | Ignition Knock (Detonation) Sensor fits cylinders 1, 2, 5, and 6. |
| 2009 | Volkswagen | Touareg | Base | 4.2L | V8 | N/A | Ignition Knock Sensor with black color and 345mm harness. |
| 2008 | Audi | A6 Quattro | Base | 4.2L | V8 | N/A | Color-Black; 345mm Harness; Cylinder 1,2,5,6; For Cyl.1,2,5,6 |
| 2008 | Audi | A8 Quattro | L | 4.2L | V8 | N/A | Color-Black; 345mm Harness; Cylinder 1,2,5,6; For Cyl.1,2,5,6 |
| 2008 | Audi | A8 Quattro | Base | N/A | Color-Black; 345mm Harness; Cylinder 1,2,5,6; For Cyl.1,2,5,6 | ||
| 2008 | Audi | Q7 | Premium | 4.2L | V8 | N/A | Ignition Knock (Detonation) Sensor fits cylinders 1, 2, 5, and 6. |
| 2008 | Audi | R8 | Base | 4.2L | V8 | N/A | Ignition Knock (Detonation) Sensor fits cylinders 1, 2, 5, and 6. |
| 2008 | Audi | RS4 | Base | 4.2L | V8 | N/A | Ignition Knock (Detonation) Sensor fits cylinders 1, 2, 5, and 6. |
| 2008 | Audi | RS4 | Cabriolet | N/A | Ignition Knock (Detonation) Sensor fits cylinders 1, 2, 5, and 6. | ||
| 2008 | Audi | S4 | Cabriolet | 4.2L | V8 | Front Left | Ignition Knock Sensor with black color and 345mm harness. |
| 2008 | Audi | S4 | Cabriolet | 4.2L | V8 | Rear Right | Ignition Knock Sensor with black color and 345mm harness. |
| 2008 | Audi | S4 | Base | 4.2L | V8 | Rear Right | Ignition Knock Sensor with black color and 345mm harness. |
| 2008 | Audi | S4 | Avant | Rear Right | Ignition Knock Sensor with black color and 345mm harness. | ||
| 2008 | Audi | S4 | Base | 4.2L | V8 | Front Left | Ignition Knock Sensor with black color and 345mm harness. |
| 2008 | Audi | S4 | Avant | Front Left | Ignition Knock Sensor with black color and 345mm harness. | ||
| 2008 | Audi | S5 | Base | 4.2L | V8 | N/A | Ignition Knock (Detonation) Sensor fits cylinders 1, 2, 5, and 6. |
| 2008 | Volkswagen | Touareg | Base | 4.2L | V8 | N/A | Ignition Knock Sensor with black color and 345mm harness. |
| 2007 | Audi | A6 Quattro | Base | 4.2L | V8 | N/A | Black color, 345mm harness, fits cylinders 5 and 6. |
| 2007 | Audi | A6 Quattro | Base | 4.2L | V8 | N/A | Color-Black; 345mm Harness; Cylinder 1,2; For Cyl.1,2 |
| 2007 | Audi | A8 Quattro | Base | N/A | Black color, 345mm harness, fits cylinders 5 and 6. | ||
| 2007 | Audi | A8 Quattro | L | 4.2L | V8 | N/A | Color-Black; 345mm Harness; Cylinder 1,2; For Cyl.1,2 |
| 2007 | Audi | A8 Quattro | L | 4.2L | V8 | N/A | Black color, 345mm harness, fits cylinders 5 and 6. |
| 2007 | Audi | A8 Quattro | Base | N/A | Color-Black; 345mm Harness; Cylinder 1,2; For Cyl.1,2 | ||
| 2007 | Audi | Q7 | Base | 4.2L | V8 | N/A | Color-Black; Cylinder 1,2; For Cyl.1,2; To Chassis/VIN 4L-7-015 000 |
| 2007 | Audi | Q7 | Base | 4.2L | V8 | N/A | Color-Black; Cylinder 5,6; For Cyl.5,6; To Chassis/VIN 4L-7-015 000 |
| 2007 | Audi | Q7 | Premium | 4.2L | V8 | N/A | Black knock sensor for cylinder 5 and 6, compatible with chassis/VIN 4L-7-015 001. |
| 2007 | Audi | Q7 | Base | 4.2L | V8 | N/A | Black knock sensor for cylinder 5 and 6, compatible with chassis/VIN 4L-7-015 001. |
| 2007 | Audi | Q7 | Premium | 4.2L | V8 | N/A | Color-Black; Cylinder 5,6; For Cyl.5,6; To Chassis/VIN 4L-7-015 000 |
| 2007 | Audi | Q7 | Premium | 4.2L | V8 | N/A | Color-Black; Cylinder 1,2; For Cyl.1,2; From Chassis/VIN 4L-7-015 001 |
| 2007 | Audi | Q7 | Base | 4.2L | V8 | N/A | Color-Black; Cylinder 1,2; For Cyl.1,2; From Chassis/VIN 4L-7-015 001 |
| 2007 | Audi | Q7 | Premium | 4.2L | V8 | N/A | Color-Black; Cylinder 1,2; For Cyl.1,2; To Chassis/VIN 4L-7-015 000 |
| 2007 | Audi | RS4 | Base | 4.2L | V8 | N/A | Color-Black; Cylinder 1,2; For Cyl.1,2 |
| 2007 | Audi | RS4 | Base | 4.2L | V8 | N/A | Fits cylinders 5 and 6, color: black. |
| 2007 | Audi | S4 | Base | 4.2L | V8 | Rear Right | Ignition Knock Sensor with black color and 345mm harness. |
| 2007 | Audi | S4 | Cabriolet | 4.2L | V8 | Rear Right | Ignition Knock Sensor with black color and 345mm harness. |
| 2007 | Audi | S4 | Base | 4.2L | V8 | Front Left | Ignition Knock Sensor with black color and 345mm harness. |
| 2007 | Audi | S4 | Cabriolet | 4.2L | V8 | Front Left | Ignition Knock Sensor with black color and 345mm harness. |
| 2007 | Audi | S4 | Avant | Rear Right | Ignition Knock Sensor with black color and 345mm harness. | ||
| 2007 | Audi | S4 | Avant | Front Left | Ignition Knock Sensor with black color and 345mm harness. | ||
| 2007 | Volkswagen | Touareg | Base | 4.2L | V8 | N/A | Ignition Knock Sensor with black color and 345mm harness. |
| 2006 | Audi | A6 Quattro | Base | 4.2L | V8 | N/A | Black color. |
| 2006 | Audi | S4 | Base | 4.2L | V8 | Front Left | Ignition Knock Sensor with black color and 345mm harness. |
| 2006 | Audi | S4 | Base | 4.2L | V8 | Rear Right | Ignition Knock Sensor with black color and 345mm harness. |
| 2006 | Audi | S4 | Cabriolet | Front Left | Ignition Knock Sensor with black color and 345mm harness. | ||
| 2006 | Audi | S4 | Avant | Rear Right | Ignition Knock Sensor with black color and 345mm harness. | ||
| 2006 | Audi | S4 | Cabriolet | Rear Right | Ignition Knock Sensor with black color and 345mm harness. | ||
| 2006 | Audi | S4 | Avant | Front Left | Ignition Knock Sensor with black color and 345mm harness. | ||
| 2005 | Audi | A6 Quattro | Base | 4.2L | V8 | N/A | Black color. |
| 2005 | Audi | Allroad Quattro | Base | 4.2L | V8 | Front Left | Ignition Knock Sensor with black color and 345mm harness. |
| 2005 | Audi | Allroad Quattro | Base | 4.2L | V8 | Rear Right | Ignition Knock Sensor with black color and 345mm harness. |
| 2005 | Audi | S4 | Base | 4.2L | V8 | Rear Right | Ignition Knock Sensor with black color and 345mm harness. |
| 2005 | Audi | S4 | Cabriolet | Front Left | Ignition Knock Sensor with black color and 345mm harness. | ||
| 2005 | Audi | S4 | Avant | Rear Right | Ignition Knock Sensor with black color and 345mm harness. | ||
| 2005 | Audi | S4 | Avant | Front Left | Ignition Knock Sensor with black color and 345mm harness. | ||
| 2005 | Audi | S4 | Base | 4.2L | V8 | Front Left | Ignition Knock Sensor with black color and 345mm harness. |
| 2005 | Audi | S4 | Cabriolet | Rear Right | Ignition Knock Sensor with black color and 345mm harness. | ||
| 2004 | Audi | Allroad Quattro | Base | 4.2L | V8 | Front Left | Ignition Knock Sensor with black color and 345mm harness. |
| 2004 | Audi | Allroad Quattro | Base | 4.2L | V8 | Rear Right | Ignition Knock Sensor with black color and 345mm harness. |
| 2004 | Audi | S4 | Base | 4.2L | V8 | Rear Right | Ignition Knock Sensor with black color and 345mm harness. |
| 2004 | Audi | S4 | Base | 4.2L | V8 | Front Left | Ignition Knock Sensor with black color and 345mm harness. |
| 2004 | Audi | S4 | Cabriolet | Front Left | Ignition Knock Sensor with black color and 345mm harness. | ||
| 2004 | Audi | S4 | Avant | Rear Right | Ignition Knock Sensor with black color and 345mm harness. | ||
| 2004 | Audi | S4 | Avant | Front Left | Ignition Knock Sensor with black color and 345mm harness. | ||
| 2004 | Audi | S4 | Cabriolet | Rear Right | Ignition Knock Sensor with black color and 345mm harness. |
* 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.