Citroen Relay III Peugeot Boxer EGR Valve EGR Cooler 2.2 Diesel 9821395680

Citroen Relay III Peugeot Boxer EGR Valve EGR Cooler 2.2 Diesel is an exhaust gas recirculation system component designed for diesel engines, responsible for the controlled return of a portion of exhaust gases to the intake manifold. Thanks to the integrated EGR cooler, it ensures stable operating conditions for the power unit, supporting the maintenance of proper emission parameters. This solution allows for the restoration of correct EGR system operation in Citroen and Peugeot commercial vehicles with a 2.2 Diesel engine.

Specifications and technical data

• SKU: 9821395680
• Mark: Citroën
• Condition: Used
• OEM Part Number: 9821395680
• Substitutable numbers: 9821395680, 0280751018
• Fuel type: Diesel
• Part type: EGR Valve
• Category: EGR Parts & Valves

Function and role of the EGR valve with cooler in the 2.2 Diesel engine

The EGR system in a diesel engine is responsible for reducing nitrogen oxide emissions by reintroducing a portion of exhaust gases into the combustion chamber. In the case of 2.2 Diesel units used in the Citroen Relay III and Peugeot Boxer, it is crucial to combine the valve with an EGR cooler, which lowers the temperature of the exhaust gases before they return to the intake. Such a system:

• stabilizes the engine operating temperature under loads characteristic of commercial vehicles,
• reduces the risk of knocking and overheating of cylinder head components,
• supports compliance with emission standards provided for the vehicle's model year. For vehicles used in freight transport, a functional EGR valve with a cooler translates into repeatable operating parameters, which is significant for both the durability of the power unit and operational economy.

Benefits of using an original Citroën component in the EGR Valves and Parts category

The presented item belongs to the EGR Valves and Parts group and comes from the Citroën parts line. Using an original component from this group allows for maintaining the factory characteristics of exhaust gas recirculation control, which is particularly important in modern diesel engines. The main advantages of such a solution include:

• precise fit to the intake and exhaust system in Citroen Relay III and Peugeot Boxer vehicles with a 2.2 Diesel engine,
• compatibility with factory engine control unit software without the need for map modifications,
• preservation of the manufacturer-specified EGR valve opening and closing characteristics across the full load range. Thanks to this, after replacement, you can expect predictable behavior of the power unit, without unwanted idle fluctuations or errors related to incorrect exhaust gas recirculation.

Characteristics of use in diesel engines

Engines powered by Diesel fuel are particularly sensitive to the condition of the EGR system because they operate under a wide range of loads and temperatures while having to meet strict emission standards. The EGR valve with cooler used in the Citroen Relay III and Peugeot Boxer 2.2 Diesel has been designed to:

• maintain stable exhaust gas recirculation under long-term driving conditions with load,
• reduce carbon deposit buildup in intake channels by controlling exhaust gas temperature,
• ensure proper cooperation with the turbocharging system and temperature and pressure sensors. In practice, a functional EGR element in a diesel engine translates into smoother unit operation, reduced smoke, and a lower risk of the engine entering limp mode due to emission-related errors.

Used condition and installation aspects

The offered EGR valve with cooler is a used item, which represents a reasonable compromise between cost and functionality, especially in the case of heavily used commercial vehicles. Choosing such a solution allows for:

• reducing repair costs while maintaining the original system design,
• preserving the factory flow paths for exhaust gases and coolant,
• easier installation thanks to compatibility with factory mounting points in the 2.2 Diesel engine. Before installation, it is recommended to perform a standard verification of the cooling system's tightness and check the patency of the exhaust channels to ensure proper operation after installation in the vehicle.

Selecting the right EGR valve and expert support

When selecting components such as an EGR valve with a cooler, it is crucial to pay attention to compatibility with the specific engine version and manufacturer markings. Proper matching allows you to avoid installation problems and engine control unit errors after startup. If you want to deepen your knowledge on the safe selection of used components and avoid bad purchases, check out the practical tips in the article No more bad purchases! How to professionally select used car parts while saving time and nerves. If you are planning a comprehensive repair or upgrade of the exhaust gas recirculation area in your Citroën and need other elements from the same group, such as EGR coolers, control valves, or recirculation pipes, check out the available parts in the Citroën EGR Valves and Parts category.