Volkswagen Passat CC Ignition Starter Switch Barrel Lock 3.6 FSI BWS 3C0905843R

The Volkswagen Passat CC Ignition Switch Cylinder 3.6 FSI BWS is an original starter system component designed to work with the 3.6 FSI engine designated BWS. The precise construction of the ignition switch cylinder ensures stable operation of the ignition system and correct key position recognition, which translates to trouble-free vehicle starting. This solution is dedicated to drivers who expect reliable performance and adherence to factory operating parameters.

Specifications and technical data

• SKU: 3C0905843R
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 3C0905843R
• Substitutable numbers: 3C0905843R, 3C0 905 843 R
• Part type: Ignition Kit
• Category: Ignition Kits

Purpose and Function in the Ignition System

The presented ignition switch cylinder is responsible for the mechanical and electrical connection of the key to the ignition system, allowing for the selection of individual positions (steering wheel lock, system power, starting). A properly functioning ignition switch is crucial for safety, as it works in conjunction with the steering column lock and the vehicle's electronic systems.

The component has been specifically designed for the 3.6 FSI BWS engine configuration, which helps maintain consistency with the factory electrical architecture and control unit logic. This ensures stable operation of the starter system, without unwanted power interruptions or communication errors.

Construction, Compatibility, and Integration

The ignition switch cylinder is part of the assembly responsible for ignition and powering electrical consumers. The design includes:

• precise key guidance in the socket,
• mechanical coupling with the steering column lock,
• signal transmission to the vehicle's electrical system.

By adhering to manufacturer standards, the component works with factory wiring harnesses and control modules, which simplifies installation and reduces the risk of operational problems. This is particularly important for modern systems where the ignition switch is linked to security electronics.

Component Condition and Installation Aspects

The offered part is used, allowing for an economical replacement while maintaining the original manufacturer's specifications. Such components are often chosen for repairs where compliance with the factory solution and predictable long-term performance are important.

During installation, it is recommended to:

• check the correct seating of the cylinder in the steering column housing,
• verify the operation of all key positions after installation,
• check the interaction with the steering lock and the vehicle's electronic systems.

This approach minimizes the risk of subsequent malfunctions, such as intermittent power loss or starting problems.

Practical Application and Benefits of Replacement

Replacing the ignition switch cylinder is recommended for symptoms such as key play, difficulty turning to specific positions, intermittent power interruptions, or starting issues. Using an original solution allows you to:

• restore proper ignition system operation,
• maintain compatibility with existing keys and the electrical system,
• reduce the risk of failures resulting from the use of unsuitable aftermarket parts.

If you are planning comprehensive service of the starter system in your Passat CC, it is also worth considering checking other ignition-related components available in the Ignition Kits section. This allows for a holistic approach and reduces vehicle downtime.

Verification of Compatibility by Numbers and Part Selection

To select the correct ignition switch cylinder for a specific vehicle configuration, it is crucial to compare the part number and interchangeable numbers with the vehicle's documentation or the existing component. This ensures that the component will work correctly with the electrical system and security systems.

If you want to deepen your knowledge on safely selecting components by numbers, the following guide may be useful: how to safely verify part compatibility by OEM numbers when shopping online. You will find practical tips there that help avoid mistakes when ordering ignition system components and other parts.

Summary

The Volkswagen Passat CC Ignition Switch Cylinder 3.6 FSI BWS is a solution for users who want to restore proper starter system operation while maintaining factory standards. A correctly selected and properly installed cylinder ensures stable ignition operation, proper interaction with the steering lock, and consistency with the vehicle's electronics, which translates to comfortable daily use.