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Spectra S10491 Engine Crankshaft Position Sensor
| Brand | Spectra S10491 |
|---|---|
| Fits | Audi · 29 vehicles |
Crankshaft position sensor. Monitors ignition timing and engine speed for precise engine control.
Distributor timing eliminated. Removes the need for manual distributor timing adjustments.
Engine control sensor. Integral to ignition timing and RPM detection.
Cross-references Bosch 0261210190, Standard Ignition PC520 and 5S1647 for the same application. See all 7.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Spectra S10491 Crankshaft Position Sensor
The Spectra S10491 engine crankshaft position sensor provides the signal the ignition system uses to monitor engine speed and timing. It is a direct-fit replacement for select Audi applications, including Audi S4, A6 Quattro, Allroad Quattro, S3, S6, A8 Quattro, S8, and A8 models.
Key Features
- Engine crankshaft position sensor for ignition timing and RPM monitoring
- Helps eliminate the need for manual distributor timing
- OE-style replacement for select Audi ignition sensor applications
- Cross-references Bosch 0261210190 and Standard Ignition PC520 for the same application
- Part number S10491 for ordering and catalog lookup
Application Details
Compatible with 2004-2009 Audi S4, 2000-2006 Audi A6 Quattro, 2003-2005 Audi Allroad Quattro, 2004 Audi S3, 2001-2004 Audi S6, 2000-2003 Audi A8 Quattro, 2001-2003 Audi S8, and 2000 Audi A8. The Spectra S10491 is built for vehicles that rely on accurate crankshaft position input for ignition control and engine speed calculation.
What It Helps Resolve
- Crankshaft position sensor fault codes
- Intermittent no-start or hard-start conditions
- Erratic engine RPM readings
- Ignition timing concerns related to crankshaft signal loss
- Stalling or rough running caused by incorrect engine speed input
Installation Notes
Verify the connector style, mounting location, and engine application before installation. For best results, inspect related wiring and connectors for damage or corrosion when replacing the sensor. Use the vehicle service information for the correct diagnostic and installation procedure.
Quality Assurance
Spectra manufactures this crankshaft position sensor as a replacement ignition component for select Audi vehicles. Part number S10491 is intended to restore proper crankshaft signal input for engine management and ignition timing control.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Audi | S4 | 4.2L | V8 | N/A | — |
| 2008 | Audi | S4 | 4.2L | V8 | N/A | — |
| 2007 | Audi | S4 | 4.2L | V8 | N/A | — |
| 2006 | Audi | A6 Quattro | 4.2L | V8 | N/A | — |
| 2006 | Audi | S4 | — | — | N/A | — |
| 2005 | Audi | A6 Quattro | 4.2L | V8 | N/A | — |
| 2005 | Audi | Allroad Quattro | 4.2L | V8 | N/A | — |
| 2005 | Audi | S4 | — | — | N/A | — |
| 2004 | Audi | A6 Quattro | 4.2L | V8 | N/A | — |
| 2004 | Audi | Allroad Quattro | 4.2L | V8 | N/A | — |
| 2004 | Audi | S3 | 1.8L | L4 | N/A | — |
| 2004 | Audi | S4 | — | — | N/A | — |
| 2004 | Audi | S6 | 4.2L | V8 | N/A | — |
| 2003 | Audi | A6 Quattro | 4.2L | V8 | N/A | — |
| 2003 | Audi | A8 Quattro | — | — | N/A | — |
| 2003 | Audi | Allroad Quattro | 4.2L | V8 | N/A | — |
| 2003 | Audi | S6 | 4.2L | V8 | N/A | — |
| 2003 | Audi | S8 | 4.2L | V8 | N/A | — |
| 2002 | Audi | A6 Quattro | 4.2L | V8 | N/A | — |
| 2002 | Audi | A8 Quattro | — | — | N/A | — |
| 2002 | Audi | S6 | 4.2L | V8 | N/A | — |
| 2002 | Audi | S8 | 4.2L | V8 | N/A | — |
| 2001 | Audi | A6 Quattro | 4.2L | V8 | N/A | — |
| 2001 | Audi | A8 Quattro | — | — | N/A | — |
| 2001 | Audi | S6 | 4.2L | V8 | N/A | — |
| 2001 | Audi | S8 | 4.2L | V8 | N/A | — |
| 2000 | Audi | A6 Quattro | 4.2L | V8 | N/A | — |
| 2000 | Audi | A8 | — | — | N/A | — |
| 2000 | Audi | A8 Quattro | — | — | N/A | — |
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