Citroen Relay 35 L EGR Valve Diesel Engine Exhaust Cooler Housing 9827225180

Citroen Relay 35 L EGR Valve Diesel Engine Exhaust Cooler Housing is a component from the EGR Valves and Parts category, designed for the exhaust gas recirculation system in diesel engines. It is responsible for the proper routing and cooling of exhaust gases directed back to the intake, which has a direct impact on engine performance and emission levels. This solution helps maintain stable operating parameters for the diesel engine in the Citroen Relay 35 L.

Specifications and technical data

• SKU: 9827225180-1
• Mark: Citroën
• Condition: Used
• OEM Part Number: 9827225180-1
• Substitutable numbers: 9827225180, V29108470, MK860001
• Fuel type: Diesel
• Category: EGR Parts & Valves

Function and role in the exhaust gas recirculation system

The exhaust cooler housing working with the EGR valve in the Citroen Relay 35 L is responsible for directing hot exhaust gases through a heat exchanger before they are reintroduced into the intake manifold. This lowers the exhaust gas temperature, which helps reduce nitrogen oxides and promotes more stable combustion in the diesel engine.

A functional component of this type helps reduce the risk of overheating components near the cylinder head, decreases thermal load on the intake system, and supports the maintenance of correct engine operating parameters across a wide range of loads.

Compatibility and identification parameters

The offered item belongs to the EGR Valves and Parts group dedicated to Citroën vehicles. It is an OEM part, which means it is factory-fitted to the design of the engine and exhaust system in the Relay 35 L model with a diesel engine. Identification is based on the manufacturer's part number and associated interchangeable numbers, which facilitates the selection of the correct component for a specific vehicle configuration.

To ensure compatibility, it is worth verifying the match using the OEM number or reference numbers and comparing the geometry of the housing and connections with the part currently installed in the vehicle. This approach minimizes the risk of installation issues and ensures proper cooperation with the existing EGR system.

Installation and operational characteristics

The exhaust cooler housing integrated with the EGR valve in the Citroen Relay 35 L is designed to operate in the demanding thermal conditions typical of diesel engines. A correctly selected component:

• ensures tight exhaust gas routing within the EGR system,
• maintains proper gas flow between the exhaust and intake manifolds,
• supports stable engine operation under variable loads,
• reduces the risk of exhaust gas recirculation-related errors recorded by the engine control unit.

When replacing, it is recommended to thoroughly clean the intake and exhaust channels near the EGR and check the condition of hoses and seals to fully utilize the potential of the newly installed component.

Condition, origin, and practical application

The offered component is a used part, sourced from the dismantling of a Citroën vehicle. This type of solution allows for an economical repair of the exhaust gas recirculation system while maintaining factory geometry and fitment for the specific model. In practice, this is a frequently chosen option when addressing faults related to exhaust cooler housing leaks or mechanical problems within the EGR valve.

A properly selected and functional exhaust cooler housing with an EGR valve helps reduce power loss, uneven idling, and excessive exhaust smoke, which translates into more predictable vehicle behavior in daily operation.

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 EGR valves, exhaust coolers, or recirculation hoses, check the available parts in the Citroën EGR Valves and Parts category.

Technical support and part selection

When selecting powertrain components – especially in commercial vehicles such as the Citroen Relay 35 L – it is crucial to consider the engine configuration, fuel type, and history of previous repairs. In case of doubt, it is worth consulting specialized materials regarding diagnostics and component selection within the powertrain. Practical tips on how to correctly identify component wear and select parts (including used ones) for the drivetrain can be found in the article Clutch and dual-mass flywheel – diagnostics and selection of powertrain parts.