Opel Combo D 1.3 CDTi EGR Exhaust Gas Recirculation Cooler Sensor Unit 55577948

Opel Combo D 1.3 CDTi EGR Exhaust Gas Recirculation Cooler Sensor Unit is a component from the EGR valves and parts group, designed for the exhaust gas recirculation system in a diesel engine. It is responsible for precise monitoring of exhaust gas temperature within the EGR cooler, which supports stable engine performance and the proper operation of the emission control system.

Specifications and technical data

• SKU: 55577948
• Mark: Opel
• Condition: Used
• OEM Part Number: 55577948
• Substitutable numbers: 55577948
• Category: EGR Parts & Valves

Purpose and function in the EGR system

The EGR cooler sensor in the Opel Combo D 1.3 CDTi works with the engine control electronics, providing information about thermal conditions in the exhaust cooler area. Based on this data, the controller can properly regulate the operation of the EGR valve, which affects:

• maintaining the correct temperature of exhaust gases directed for recirculation,
• stability of the combustion process in the cylinders,
• reduction of nitrogen oxide and particulate matter emissions,
• reducing the risk of overheating exhaust system components.

As a result, the sensor supports efficient and predictable operation of the exhaust gas recirculation system, which is important for both engine durability and compliance with emission standards.

Benefits of using an original Opel component

The presented sensor comes from the Opel brand, which means it matches the factory specifications of the EGR system in the Combo D 1.3 CDTi. Using an original component from this group allows you to maintain:

• proper cooperation with the factory engine controller,
• appropriate exhaust gas temperature measurement characteristics,
• compatibility with the existing electrical installation and mounts,
• consistency with other elements of the EGR valves and parts system.

Choosing such a solution is particularly important when diagnosing problems with EGR operation, power loss, or the appearance of errors related to exhaust gas temperature – the correct sensor eliminates the risk of incorrect readings and facilitates further diagnostics.

Characteristics of the used component

The offered EGR cooler sensor is a secondary market component, sourced from dismantling. Such components are frequently chosen for EGR system servicing because they allow for:

• maintaining compliance with the vehicle's original configuration,
• reducing repair costs while maintaining the factory design,
• easy replacement in place of a worn or damaged sensor.

Before installation, it is recommended to perform a standard verification of the electrical installation and the condition of the connectors to ensure a stable measurement signal and trouble-free cooperation with the engine control system.

Installation and operational tips

When replacing the EGR cooler sensor in an Opel Combo D 1.3 CDTi, it is worth paying attention to several technical aspects:

• thorough cleaning of the mounting socket and surrounding EGR system components,
• checking the condition of wires and the electrical plug,
• correct routing of the wiring harness to avoid thermal and mechanical stress,
• after installation – verification of operating parameters via computer diagnostics.

This approach allows you to fully utilize the sensor's capabilities and minimize the risk of recurring faults in the exhaust gas recirculation area.

Related EGR system components and additional materials

If you are planning a comprehensive repair or upgrade of the engine area in your Opel and need other elements from the same group, such as EGR valves, exhaust coolers, or recirculation pipes, check the available parts in the Opel EGR valves and parts category.

During service work, many drivers also think about improving ergonomics and refreshing the cabin. If you are interested in how to reasonably use used interior components, such as seats or steering wheels, the guide Car interior tuning with Global Parts will be helpful, where you will find practical tips on selecting and installing secondary market components.