Thermostat Housing Peugeot Boxer Citroen Relay 2.0 BlueHDI Diesel 9804160380

Thermostat Housing Peugeot Boxer Citroen Relay 2.0 BlueHDI Diesel is a component from the Thermostats and housings category, designed for 2.0 BlueHDi diesel engines in Citroën vehicles and their Peugeot structural counterparts. This used OEM part ensures a factory-fit for the cooling system, maintaining the correct operating parameters of the diesel power unit. It is a practical solution for maintenance repairs where compatibility with the original engine architecture is essential.

Specifications and technical data

• SKU: 9804160380
• Mark: Citroën
• Condition: Used
• OEM Part Number: 9804160380
• Substitutable numbers: 9804160380
• Fuel type: Diesel
• Category: Thermostats & Housings

Purpose and function in the cooling system

The thermostat housing in the 2.0 BlueHDi engine is responsible for the stable flow of coolant between the engine block and other cooling system components. In vehicles such as the Peugeot Boxer and Citroën Relay with a diesel engine, the proper operation of this component has a direct impact on:

• maintaining the optimal engine operating temperature,
• correct opening and closing of the coolant circuit by the thermostat,
• even distribution of coolant throughout the entire system.

By using an original housing from the Thermostats and housings group, the risk of leaks, improper fitting of connectors, and system bleeding issues is minimized.

Compatibility with the 2.0 BlueHDi Diesel engine

The presented housing has been designed to work with 2.0 BlueHDi diesel-powered units used in Peugeot Boxer and Citroën Relay commercial vehicles. This means that the geometry of the connections, the layout of the coolant channels, and the mounting points are adapted to the factory cooling system of these models.

In practice, this translates into:

• easier installation without the need for system modifications,
• maintaining the original routing of cooling hoses,
• proper cooperation with sensors and other system components.

Characteristics of the used OEM part

The thermostat housing is a used component, which in the case of OEM parts for commercial vehicles often represents a reasonable compromise between repair costs and maintaining factory build quality. This type of component is particularly important in heavily used commercial vehicles, where the cooling system operates under high thermal load.

Using an original, used housing allows you to maintain:

• compliance with the manufacturer's factory specifications,
• stable coolant flow parameters,
• consistency with other cooling system components in the diesel engine.

Installation and maintenance tips

When replacing the thermostat housing in a 2.0 BlueHDi engine, it is worth paying attention to the condition of the seals, rubber hoses, and the thermostat itself, which works with the housing. It is recommended to:

• thoroughly clean the mating surface on the engine block,
• check the condition of the connectors and hose clamps,
• properly bleed the cooling system after installation.

This approach reduces the risk of leaks and engine overheating, which is especially important in commercial vehicles operating under varying load conditions.

Expanding repairs within Thermostats and housings

If you are planning a comprehensive repair or upgrade of the engine area in your Citroën and need other elements from the same group, such as thermostat bodies, thermostat inserts, or coolant connections, check the available parts in the Citroen Thermostats and housings category.

How to select the correct thermostat housing by OEM number

Selecting the right thermostat housing for a specific 2.0 BlueHDi engine version should be based on the OEM number and vehicle data. In case of doubt, it is helpful to compare the markings with service documentation or the vehicle's logbook. To streamline the verification process and avoid mistakes when purchasing a used part, you can use our practical guide: Guide: how to select the right car part by VIN and OEM number.