Seat Leon Mk3 5F Ignition Kit Set Switch Barrel With Key 107905855AJ

Seat Leon Mk3 5F Ignition Kit Set Switch Barrel With Key is an original ignition system component from the Volkswagen group, designed for professional replacement of the factory ignition switch assembly. The set ensures consistent operation of the ignition mechanism and key, which translates into reliable starting and proper integration with the vehicle's electrical system.

Specifications and technical data

• SKU: 107905855AJ-1
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 107905855AJ
• Substitutable numbers: 107905855AJ, 107 905 855 AJ
• Part type: Ignition Kit
• Category: Ignition Kits

Purpose and function of the set

The presented ignition kit with key is a component from the Ignition Kits group, designed to work with the ignition system in the third-generation Seat Leon (5F). It is responsible for the mechanical operation of the ignition, transmitting the start signal to the electrical system, and ensuring proper interaction with other steering column components.

By using a part from the Volkswagen OE line, factory geometry, correct key travel distance, and proper operating positions (steering lock, ignition, start) are maintained. This is important both for standard replacement of a worn ignition switch and for post-accident steering column repairs.

Construction and technical compatibility

The set includes a complete ignition switch assembly along with a matched key, which facilitates installation and reduces the need for additional mechanical work. The design is prepared for installation in the factory mounting location, maintaining the original method of steering column locking and integration with the vehicle's wiring harness.

As a component from the original Volkswagen group parts range, the set has been designed with requirements for mechanical durability, insert operation repeatability, and electrical connection stability in mind. The presence of the OEM part number and associated interchangeable numbers (visible in the specification) facilitates verification of compatibility with a specific car configuration.

Condition, verification, and service application

The item is offered as used, which allows for cost-effective repair of the ignition system while maintaining the original design. This type of part is particularly suitable for vehicles where the ignition mechanism has been damaged, the insert has worn out, or there are issues with key positions.

In workshop practice, the set can be used both for standard replacement of a worn component and for more extensive steering column repairs. Thanks to the completeness of the solution, the risk of improper fitting of individual components is reduced, and installation time is shortened.

Benefits of using the original ignition kit

• Factory fitment for the steering column and vehicle electrical system.
• Mechanical and electrical consistency thanks to the ignition switch + key set.
• Possibility of precise part identification based on the OEM number and interchangeable numbers in the specification.
• Cost-effective solution compared to new components while maintaining the original design.

If you are planning more extensive ignition system maintenance or want to compare other elements from this group, it is worth browsing the full offer in the Ignition Kits category to select components matched to your car's specific equipment version.

Installation and operational recommendations

Due to the importance of the ignition system for vehicle safety and reliability, the installation of the ignition kit with key should be entrusted to a service center with experience in Volkswagen group vehicles. Proper seating in the column, correct setting of operating positions, and proper connection of the electrical system minimize the risk of starting or steering lock problems.

When replacing the ignition switch, the condition of other wear-and-tear components and suspension elements is often analyzed as well. In such a case, the guide article on the differences between stock and sports suspension and the selection of used parts may be helpful, which facilitates making informed service decisions.

Additionally, for users looking for broader technical knowledge, it is worth checking out the materials in the blog section, where practical guides on diagnostics, selection, and installation of mechanical and electrical system components in the group's vehicles can be found.