HomeIgnition > SensorsPrenco 4D-1009 Engine Crankshaft Position Sensor
Part #: 4D-1009

Prenco 4D-1009 Engine Crankshaft Position Sensor

⚙️ 25 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Audi and Volkswagen, A4, A4 Quattro, Allroad Quattro, Passat, and A6 Quattro
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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.

BrandPrenco
Part Number4D-1009
Connector GenderFemale
Connector Quantity1
Connector ShapeOblong
Mounting Bracket IncludedNo
Sensor Body Diameter0.7
Terminal GenderMale
Terminal Quantity3
Terminal TypeBlade
Wire Quantity1
Wiring Harness Length26.25

This part fits 25 vehicles. Search below:

YearMakeModelTransmissionPositionNotes
2006AudiA4N/A
2005AudiA4N/A
2005AudiA4 QuattroN/A
2005AudiAllroad QuattroAutomaticN/A
2005VolkswagenPassatN/A
2004AudiA4N/A
2004AudiA4 QuattroN/A
2004AudiAllroad QuattroAutomaticN/A
2004VolkswagenPassatN/A
2003AudiA4N/A
2003AudiA4 QuattroN/A
2003AudiAllroad QuattroAutomaticN/A
2003VolkswagenPassatN/A
2002AudiA4N/A
2002AudiA4 QuattroN/A
2002AudiAllroad QuattroAutomaticN/A
2002VolkswagenPassatN/A
2001AudiA4N/Aw/oval connector
2001AudiA4 QuattroN/Aw/oval connector
2001AudiA6 QuattroAutomaticN/ATo Chassis/VIN 4B-1-006 637
2001AudiAllroad QuattroAutomaticN/A
2001VolkswagenPassatN/Aw/oval connector
2000AudiA4 QuattroN/Aw/oval connector
2000AudiA6 QuattroAutomaticN/A
2000VolkswagenPassatN/Aw/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:

0261210177071 957 147078 906 433A180-04939645CSS891PC509S10147SU5394

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.