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Prenco 4D-1009 Engine Crankshaft Position Sensor
Overview of Prenco Engine Crankshaft Position Sensor 4D-1009
The Prenco 4D-1009 Engine Crankshaft Position Sensor is designed for precise engine timing and reliable performance in select Audi and Volkswagen models. This sensor ensures accurate crankshaft position data essential for optimal engine operation.
- Wiring harness length: 26.25 inches for flexible installation
- Blade terminal type with 3 male terminals for secure electrical connection
- Single wire and connector configuration with one female oblong connector
- Compact sensor body diameter of 0.7 inches for easy fitment
- Compatible with Audi A4, A4 Quattro, A6 Quattro, Allroad Quattro, and Volkswagen Passat
- Mounting bracket not included, designed for direct sensor replacement
Technical Details and Compatibility
The Prenco 4D-1009 crankshaft position sensor features a 26.25-inch wiring harness, providing sufficient length for routing within the engine bay of Audi and Volkswagen vehicles. The sensor uses a blade terminal type with three male terminals, ensuring a reliable electrical connection to the vehicle’s engine control unit. It includes one female oblong connector, matching the OEM connector style for straightforward plug-and-play installation. The sensor body diameter measures 0.7 inches, allowing it to fit precisely in the designated mounting location without interference.
This sensor is compatible with multiple Audi models including the A4, A4 Quattro, A6 Quattro, and Allroad Quattro, as well as the Volkswagen Passat. The Prenco 4D-1009 is engineered to meet the specifications required for these vehicles, ensuring proper engine timing and performance.
Common Applications and Problem Resolution
- Resolves engine misfires caused by inaccurate crankshaft position data
- Eliminates hard starting or no-start conditions related to sensor failure
- Addresses engine stalling or rough idling issues
- Prevents check engine light illumination due to crankshaft sensor faults
- Improves overall engine timing and fuel injection accuracy
Installation Notes and Tips
Installation of the Prenco 4D-1009 sensor requires disconnecting the battery and locating the existing crankshaft position sensor on the engine block. The 26.25-inch wiring harness allows for flexible routing to avoid heat sources and moving parts. Ensure the female oblong connector is securely attached to the vehicle’s wiring harness. Since the mounting bracket is not included, reuse the original bracket or mounting hardware. Verify all electrical connections are tight and free of corrosion before reassembly.
Quality Assurance and Warranty Information
Prenco manufactures the 4D-1009 crankshaft position sensor to meet industry standards for durability and performance. Each sensor undergoes quality control testing to ensure reliable operation under normal driving conditions. Warranty coverage details should be confirmed at the point of purchase, as they may vary by distributor or retailer.
| Brand | Prenco |
| Part Number | 4D-1009 |
| Connector Gender | Female |
| Connector Quantity | 1 |
| Connector Shape | Oblong |
| Mounting Bracket Included | No |
| Sensor Body Diameter | 0.7 |
| Terminal Gender | Male |
| Terminal Quantity | 3 |
| Terminal Type | Blade |
| Wire Quantity | 1 |
| Wiring Harness Length | 26.25 |
This part fits 25 vehicles. Search below:
| Year | Make | Model | Transmission | Position | Notes |
|---|---|---|---|---|---|
| 2006 | Audi | A4 | N/A | ||
| 2005 | Audi | A4 | N/A | ||
| 2005 | Audi | A4 Quattro | N/A | ||
| 2005 | Audi | Allroad Quattro | Automatic | N/A | |
| 2005 | Volkswagen | Passat | N/A | ||
| 2004 | Audi | A4 | N/A | ||
| 2004 | Audi | A4 Quattro | N/A | ||
| 2004 | Audi | Allroad Quattro | Automatic | N/A | |
| 2004 | Volkswagen | Passat | N/A | ||
| 2003 | Audi | A4 | N/A | ||
| 2003 | Audi | A4 Quattro | N/A | ||
| 2003 | Audi | Allroad Quattro | Automatic | N/A | |
| 2003 | Volkswagen | Passat | N/A | ||
| 2002 | Audi | A4 | N/A | ||
| 2002 | Audi | A4 Quattro | N/A | ||
| 2002 | Audi | Allroad Quattro | Automatic | N/A | |
| 2002 | Volkswagen | Passat | N/A | ||
| 2001 | Audi | A4 | N/A | w/oval connector | |
| 2001 | Audi | A4 Quattro | N/A | w/oval connector | |
| 2001 | Audi | A6 Quattro | Automatic | N/A | To Chassis/VIN 4B-1-006 637 |
| 2001 | Audi | Allroad Quattro | Automatic | N/A | |
| 2001 | Volkswagen | Passat | N/A | w/oval connector | |
| 2000 | Audi | A4 Quattro | N/A | w/oval connector | |
| 2000 | Audi | A6 Quattro | Automatic | N/A | |
| 2000 | Volkswagen | Passat | N/A | w/oval connector |
* 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.