Renault Trafic II Opel Vivaro A 2.0 DCI Alternator Generator 8200404459

Renault Trafic II Opel Vivaro A 2.0 DCI Alternator Generator is an original component from the Alternators and generators group, designed for the charging system in commercial vehicles. This used generator provides a functional service solution for drivers and workshops that require a proven part with factory performance characteristics. It is a practical choice for repairs where proper integration with the electrical system and engine control is essential.

Specifications and technical data

• SKU: 8200404459-1
• Mark: Renault
• Condition: Used
• OEM Part Number: 8200404459-1
• Substitutable numbers: 8200404459G, 8200 404 459 G
• Category: Alternators & Generators

Purpose and function in the vehicle system

The alternator in the 2.0 DCI engine is responsible for providing stable power to all electrical consumers and charging the battery while the engine is running. In vehicles such as the Renault Trafic II and Opel Vivaro A, this is particularly important, as these vehicles often operate in fleet mode with additional electrical loads (lighting, power tools, special conversions). Using an original generator allows for maintaining correct voltage parameters and reduces the risk of interference with control units.

Design and technical fitment

The presented alternator is an OEM Renault construction, prepared for use with the 2.0 DCI unit and the electrical system used in the Trafic II and the twin Vivaro A. The housing, mounts, and connectors are designed to allow installation in place of the factory component without the need for modifications. This ensures compatibility with factory engine accessories, the drive belt, and the control system.

The generator is adapted for operation in the demanding conditions of commercial vehicles, where frequent starts, city driving, and idling with electrical consumers switched on generate increased loads on the charging system. The appropriate design of the rotor, stator, and excitation system allows for maintaining stable operating parameters across a wide engine speed range.

Benefits of using an original alternator

Using a used, original alternator instead of a worn or damaged component offers a number of practical benefits:

• factory fitment for Renault Trafic II and Opel Vivaro A with 2.0 DCI engine,
• compatibility with the vehicle's electrical system and control units,
• no need for modifications to mounts or wiring harnesses,
• maintenance of proper battery charging and power supply for consumers,
• reasonable repair cost compared to new aftermarket replacements.

For workshops and fleet users, this means faster repairs and reduced vehicle downtime. The original generator also helps minimize the risk of onboard electronics issues resulting from incorrect charging parameters.

Condition, installation, and service application

The item is offered as a used part, which allows for an economical repair of the charging system while maintaining the factory design. This type of solution is often chosen for commercial vehicles, where the balance between repair cost and functionality is key. The alternator is suitable for both routine repairs and preventive replacement in heavily used vehicles.

Due to the factory fitment, installation in place of the old generator is a standard service operation: after removing the worn alternator, the new unit is installed on the original mounting points using existing accessories. For the charging system to work correctly, it is also important to check the condition of the drive belt and the vehicle's ground connections.

Application in vehicle expansion and modernization

For vehicles used for special conversions (refrigerated trucks, mobile workshops, campers), a functional alternator is the basis for a stable power supply for additional consumers. Combined with a properly selected battery and installation, such a generator can form the foundation for further electrical modifications. If you are interested in the broader context of using used parts for vehicle retrofitting, it is worth reading the article on professional retrofitting and the use of parts from higher trim levels.

If you are planning a comprehensive repair or modernization of the engine area in your Renault and need other components from the same group, such as alternators with different capacities, generators for other engine versions, or compatible charging units, check the available parts in the Renault alternators and generators category.