Repaired EGR Exchanger Fca 1.6 2.0 d

The EGR exchanger with OE code 55275665 è a component used in the diesel engines of the FCA group (Fiat, Lancia, Alfa Romeo, Jeep, and Chrysler) for the control and cooling of recirculated exhaust gases. Its task è is to lower the temperature of the reintroduced exhaust gases into the intake manifold, improving combustion, reducing nitrogen oxide (NOx) emissions, and contributing to compliance with Euro 5 and Euro 6 regulations.
The component includes the EGR valve body and, depending on the versions, an internal radiator/exchanger that utilizes the engine's cooling liquid.

Technical characteristics

• OE Code: 55275665
• Materials: aluminum alloy body, internal passages in stainless steel to withstand high temperatures and corrosion.
• Configurations: available both as pneumatic EGR valve, either as electric version, depending on the engine application.
• Presence of integrated radiator (in some versions), with piping for connection to the cooling circuit.
• Power supply: 12 V for the electronic versions.
• Connection: multipin connectors for electronic control or vacuum actuator in the pneumatic versions.
• Compatibilityà with various MultiJet diesel engines (1.6 and 2.0), installed on various FCA models.

DIPA canò intervene to review this component as wellì important for the proper functioning of the engine.

Functionalityà

The task of the EGR exchanger è is to reduce the temperature of the exhaust gases before they are reintroduced into the intake system. Thisò occurs through a heat exchange between the hot gases and the engine's cooling liquid. The’goal è is to lower the peak temperature in the combustion chamber, reducing the formation of NOx and improving overall efficiency.
The EGR valve associated with the exchanger manages the’opening and closing of the gas passage, regulating the amountà of recirculation based on the parameters of the control unit and the engine load conditions.

Brand and model on which the part è mounted

Fiat

• Bravo
• Ducato (bus, Van, Flatbed)

Lancia

• Delta

DIPA recommends always checking compatibilityà of the spare part before the’purchase.

Defects and causes

Among the mostù frequent failures of the EGR exchanger with code 55275665 the following are reported:

• Internal blockage due to soot and particulate deposits, which reduces theà cooling capacity.
• Coolant leak caused by microcracks in the internal radiator.
• EGR valve malfunction paired with the exchanger, with possible mechanical blockages or actuator issues.’electric actuator.
• Cracks or deformations due to high temperatures and the internal pressure of exhaust gases.
• Accumulation of oily residues that can alter heat exchange and cause localized overheating.

Final conclusions

The spare part with OE code 55275665 è is a fundamental component for reducing emissions and for the proper functioning of the EGR system in FCA engines. To ensure reliabilityà è ,à it is important to perform periodic cleaning of the exhaust gas recirculation system and, in case of failure, to choose an original or quality equivalent component.

DIPA offers a wide range of spare parts: from original ones to aftermarket parts selected from the best manufacturers on the market. Not only that: it also has refurbished components with performance equal to new, which allows for savings in replacement and contributes to the protection of the’environment thanks to the’circular economy. If the spare part that suits you does not è available, no worries: DIPA può review “on demand” returning your part to full functionalityà and safety in a short time.