Prenco 4D-1129 Engine Crankshaft Position Sensor

Engine Crankshaft Position Sensor for Volkswagen Jetta

Prenco 4D-1129 is an engine crankshaft position sensor built for direct replacement service on select Volkswagen applications. It uses a 3-terminal male blade connection with one oblong connector, helping maintain a secure electrical interface for accurate crankshaft signal transfer.

Compatible With 2005-2006 Volkswagen Jetta, N/A. This Prenco 4D-1129 crankshaft position sensor is a fitment-based replacement for the listed Jetta model years and supports proper engine timing signal input.

Key Features

• Engine crankshaft position sensor for ignition system service
• 3-terminal male blade design
• 1 oblong connector for vehicle-specific connection style
• Built for 2005-2006 Volkswagen Jetta applications
• Prenco 4D-1129 part number for accurate ordering and lookup

Detailed Description

The Prenco 4D-1129 is an ignition sensor used to monitor crankshaft position and send the signal needed for engine control functions. On the Volkswagen Jetta, this sensor supports the data the engine management system uses for ignition timing and related operation. Cross-reference part numbers include Beck/Arnley 180-0556 and Standard Ignition PC705 for the same application.

With its blade-style terminals, single connector, and oblong connector shape, this sensor is specified for a direct-fit electrical connection on the listed Volkswagen Jetta models. If you are replacing a failing crankshaft sensor on a 2005 or 2006 Volkswagen Jetta, Prenco 4D-1129 provides the correct application match.

What It Helps Solve

• Crankshaft position signal loss
• Intermittent no-start condition
• Engine stalling or sudden shutdown
• Rough running caused by incorrect engine timing input
• Check engine light related to crankshaft sensor faults

Installation Notes and Tips

Verify the connector shape, terminal count, and vehicle application before installation. Inspect the harness connector for corrosion, bent terminals, or damaged locking tabs before connecting the new sensor. Confirm the sensor location on the engine before removal so the replacement follows the original routing and mounting position.

Quality Assurance

Prenco supplies this crankshaft position sensor as an application-specific ignition component for the listed Volkswagen Jetta fitment. Use the part number 4D-1129 to confirm the correct replacement before installation.