Citroën Relay Peugeot Boxer Mk3 Engine Cooling Radiator 2.2 HDI Diesel 52181949

Citroën Relay Peugeot Boxer Mk3 Engine Cooling Radiator is an original cooling system component, designed specifically for 2.2 HDI diesel units. This used part from the Citroën range ensures factory-fit, stable engine operation, and predictable thermal parameters in daily use.

Specifications and technical data

• SKU: 52181949
• Mark: Citroën
• Condition: Used
• OEM Part Number: 52181949
• Substitutable numbers: 52181949, EZ232004
• Fuel type: Diesel
• Part type: Radiator
• Category: Radiators

Purpose and function in the cooling system

The presented water radiator operates within the 2.2 HDI diesel engine cooling system, responsible for the efficient dissipation of heat from the coolant. Thanks to a properly selected core design and flow channels, it supports the maintenance of a stable operating temperature, which translates into safe engine operation and reduces the risk of overheating during heavy-load driving, on the road, and in city traffic.

The component is dedicated to third-generation Citroën Relay and Peugeot Boxer commercial vehicles, allowing for compliance with the factory cooling system design without the need for modifications or mounting adaptations.

Benefits of using an original radiator

The use of an original water radiator in commercial vehicles has a direct impact on engine durability and operational predictability across a wide range of loads. In practice, this means, among other things:

• maintaining the proper operating temperature of the 2.2 HDI diesel engine during long-term driving and under load,
• better compatibility with the factory water pump, thermostat, and fans,
• preservation of cooling parameters in accordance with the vehicle manufacturer's specifications,
• reduced risk of head gasket damage and deformation of aluminum components.

For commercial vehicles that often operate in continuous mode, a stable cooling system is particularly important – it influences fleet reliability and reduces the risk of unplanned downtime.

Product characteristics and condition

The offered radiator belongs to the Water Radiators category and is intended for diesel-powered engines. The used part allows for an economical repair of the cooling system while maintaining the manufacturer's original specifications. This type of solution is particularly beneficial for vehicles used intensively, where a reasonable service cost while maintaining appropriate quality is important.

As a component sourced from dismantling, the radiator is a good alternative to replacements of unknown origin – the construction meets factory requirements, and the geometry of connections and mounts is consistent with the original design, which facilitates installation and reduces vehicle downtime.

Professional application and installation

The radiator is intended for installation in vehicles serviced both in independent workshops and in specialized fleet service centers. Thanks to the factory fit for the Citroën Relay and Peugeot Boxer Mk3, the mechanic can carry out the replacement in a predictable manner, without the need to modify brackets, hoses, or covers. This translates into an efficient service process and a lower risk of leaks after installation.

Before installation, a standard service procedure is recommended: flushing the system, checking the condition of hoses, the thermostat, and the water pump, and bleeding the system after refilling with new coolant. This approach allows you to fully utilize the potential of the installed radiator and extend the service life of the entire system.

More about the cooling system and part selection

If you want to better understand how a properly functioning cooling system affects engine durability and when it is worth choosing used radiators, check out the article: Engine cooling system – overheating, repair, and used radiators. You will find practical tips on diagnostics and operation there.

When planning a comprehensive repair or upgrade of the cooling system in your vehicle, it is also worth browsing other elements available in the Water Radiators category to select a coherent set of components and maintain stable operating conditions for the diesel engine.