VW Volkswagen Audi Seat Skoda Relay Unit 4 Pins 12V 40A 141951253B

VW Volkswagen Audi Seat Skoda Relay 4 Pins 12V 40A 141951253B is an original relay from the Volkswagen Group, designed for 12V systems requiring reliable switching of circuits with a load of up to 40A. This used item from the Relays category will serve as a functional replacement in many VW, Audi, Seat, and Skoda models, ensuring stable operation of the vehicle's electrical systems.

Specifications and technical data

• SKU: 141951253B-2
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 141951253B-2
• Substitutable numbers: 141951253B-2, 141 951 253 B-
• Category: Relays

Application of the relay in the vehicle's electrical system

The four-pin 12V 40A relay from Volkswagen is designed to control circuits with increased current draw, such as electrical consumers, auxiliary modules, or selected comfort systems. Thanks to its compact design and standardized pin layout, it can be used in many factory VAG Group electrical system configurations.

In typical applications, such a relay is responsible for:

• relieving the load on switch contacts in the vehicle cabin,
• stable activation of high-current circuits in a 12V system,
• protecting the electrical system from mechanical overload of control elements.

Construction and operating parameters

The four-pin relay uses a standard arrangement of working contacts and a control coil, which facilitates its integration with the factory wiring harness. Its suitability for 12V systems and loads up to 40A allows for safe switching of many types of consumers without the need for additional intermediate components.

Key design features include:

• four connection pins in a standard layout used by the Volkswagen Group,
• suitable for 12V systems in passenger cars,
• current carrying capacity up to 40A, suitable for demanding circuits.

This type of relay is often installed in relay and fuse boxes, making it easy to service without interfering with the wiring harness.

Original origin and replacement numbers

The offered relay comes from the Volkswagen OE line, which means compliance with factory quality and fit standards used in VW, Audi, Seat, and Skoda vehicles. The item has a dedicated OEM part number and assigned replacement numbers, allowing for precise selection based on service documentation or manufacturer catalogs, without the risk of incorrect fit.

The presence of reference numbers also facilitates verification of compatibility with a specific vehicle model and comparison with other relays used within the same construction platform.

Condition, selection, and installation

The relay is offered as a used original part, allowing for economical repair of the electrical system while maintaining factory specifications. Before installation, a standard check of the relay socket and the condition of the contacts in the fuse box is recommended to ensure proper electrical contact and long-lasting, stable operation.

When selecting a relay, it is worth paying attention to:

• compliance of the Relays category with the vehicle's documentation,
• Volkswagen brand as the manufacturer of OE parts,
• OEM and reference markings visible in the product's technical specifications.

Benefits of using an original relay

Using an original Volkswagen Group relay to replace a worn or damaged part restores proper operation of electrical systems without the need for installation modifications. This solution is particularly beneficial for users who expect:

• factory fit to the wiring harness without modifications,
• repeatable operating parameters consistent with the vehicle manufacturer's design,
• consistency with other system components in VW, Audi, Seat, and Skoda cars.

A correctly selected relay supports system stability, reduces the risk of contact overheating, and facilitates later diagnostics of potential electrical faults.

If you need other Volkswagen relays for your car, check the Volkswagen relays available in our store to select parts that match your specific model and trim level.

When planning more extensive electrical system modifications or performance enhancements using installation components, it is worth consulting the guide on our blog: How to Increase Engine Power: A Practical Guide to Engine Tuning with Used Parts, which will help you plan your work safely and thoughtfully.