Seat Leon Mk3 Cupra Rear Tail Light Lamp LED Wiring Inner Right O/S 5F0945308K

Seat Leon Mk3 Cupra Rear Tail Light Lamp LED Wiring Inner Right O/S is an original electrical installation component designed to support the right, inner rear lamp in Cupra models. Thanks to its factory-fit design for a specific vehicle location, it ensures a stable electrical connection and proper lighting operation. It is a practical solution for post-collision repairs, lamp replacement, or damage to the factory wiring harness.

Specifications and technical data

• SKU: 5F0945308K-2
• Mark: Seat
• Condition: Used
• OEM Part Number: 5F0945308K
• Substitutable numbers: 5F0945308K, 5F0 945 308 K
• Location on the vehicle: Rear, Right
• Part type: Wire Harness
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function in the electrical system

The presented wiring harness is a component from the Wires, harnesses, and connectors group, specifically designed for the rear part of the body on the right side. It is responsible for transmitting signals and power to the inner rear lamp, which has a direct impact on the correct operation of position lights, brake lights, or turn signals in this area of the vehicle.

The dedicated placement on the vehicle (rear, right side) means that the geometry of the wires, the length of the sections, and the arrangement of the connectors are matched to the factory routing of the installation in the body. This facilitates installation and reduces the risk of wire tension, insulation abrasion, or accidental disconnection of connectors during operation.

Advantages of using an original Seat wiring harness

Using an original wiring harness in the Cupra model allows for maintaining the consistency of the electrical system with the manufacturer's solutions. Properly selected wire cross-sections, connector types, and wire shielding methods promote stable operation of the lighting system and minimize the risk of errors in onboard systems.

Key benefits include:

• factory fit for the right, inner rear lamp,
• preservation of the original wire routing in the body,
• secure plug connections, reducing voltage drops and interference,
• easier diagnostics of potential faults in the future.

For the user, this means more predictable lighting system behavior and a lower risk of problems resulting from unprofessional installation modifications.

Application in repairs and upgrades

The Seat Leon Mk3 Cupra Rear Tail Light Lamp LED Wiring Inner Right O/S will work well both for standard replacement of a damaged component and for more extensive service work in the rear of the vehicle. It is particularly useful in situations where there has been:

• mechanical damage to the wires as a result of a collision or interference with the body,
• corrosion of contacts and connectors leading to unstable lighting operation,
• incorrect repairs by previous owners, requiring the restoration of the factory installation configuration.

Proper matching of the harness to the specific model and side of the vehicle allows for shorter installation time and reduces the need for additional modifications. This solution is particularly beneficial for workshops striving to maintain consistency with Seat factory standards.

Product characteristics and condition

The offered item belongs to the group of used components, which in practice means it comes from disassembly and has been verified for suitability for further use. This type of solution is often chosen as a technically reasonable alternative to new parts, allowing for the optimization of repair costs while maintaining the original design of the installation.

Thanks to the preservation of the factory configuration of connectors and wires, the harness can be integrated into the existing system without the need for interference with the vehicle's main installation. This is important from the point of view of durability, safety, and subsequent service maintenance.

If you are planning a comprehensive repair or upgrade of the rear electrical system in your Seat and need other elements from the same group, such as additional harnesses, power cables, or lamp connectors, check the available parts in the Seat Wires, harnesses, and connectors category.

To better select the right harness for your specific car version and avoid compatibility-related mistakes, it is worth using practical tips from experts – the article No more bad purchases! How to professionally choose used car parts will be helpful, where you will find information on the correct verification of markings and matching installation components.