Standard PC509T Engine Crankshaft Position Sensor

Engine Crankshaft Position Sensor for Audi and Volkswagen

The Standard PC509T is a direct-fit engine crankshaft position sensor built for straightforward replacement and dependable signal performance. It is engineered with durable materials and tested for reliability, making it a practical choice for Audi A4, Audi A4 Quattro, Audi A6 Quattro, and Volkswagen Passat applications.

Key Features

• Direct-fit replacement for easier installation
• Female connector with plug-in design
• 3-terminal blade connection with male terminals
• Built from high-quality materials for durability
• Performance-tested for consistent operation
• Standard PC509T crankshaft position sensor for select Audi and Volkswagen models

Detailed Description

This crankshaft position sensor monitors crankshaft position and rotational speed so the engine control system can manage ignition timing and fuel delivery accurately. The Standard PC509T is a direct replacement for select 2000-2006 Audi A4, A4 Quattro, and A6 Quattro models, plus 2000-2005 Volkswagen Passat applications, including oval-connector and Canada/U.S. emissions configurations where listed. This part cross-references Bosch 0261210177 for the same application.

Use the PC509T when servicing a crank sensor fault on Audi A4, Audi A4 Quattro, or Volkswagen Passat vehicles that require the specified connector style and terminal layout. The part number PC509T is also a useful reference when matching OE-style replacement sensors during diagnosis or repair.

What It Helps Address

• Crankshaft position sensor fault codes
• Hard starting or no-start conditions
• Intermittent stalling or engine cutout
• Rough running caused by incorrect crank signal input
• Ignition timing and engine speed signal issues

Installation Notes and Tips

Verify connector style, terminal count, and vehicle emissions or connector configuration before installation. Confirm the application against the vehicle year, make, and model, especially for 2000-2001 Audi A4, Audi A4 Quattro, and Volkswagen Passat vehicles with oval connectors. Inspect the harness and mounting area for damage or contamination before installing the new sensor.

Quality Assurance

Standard manufactures this sensor with in-process quality control and performance testing to support consistent fit and operation. The PC509T is built as a direct-fit replacement using durable materials and controlled manufacturing standards.