Opel Combo Corsa 1.3 CDTi Diesel Thermostat Coolant Unit Housing 55206391

Opel Combo Corsa 1.3 CDTi Diesel Thermostat Coolant Unit Housing is a component from the Thermostats and housings category, designed for the cooling systems of 1.3 CDTi diesel engines. This used housing ensures factory-standard coolant flow geometry, which promotes stable engine operation and maintains the correct operating temperature. It is a practical solution for users looking for parts with a proven design at a reasonable price.

Specifications and technical data

• SKU: 55206391
• Mark: Opel
• Condition: Used
• OEM Part Number: 55206391
• Substitutable numbers: 55206391
• Fuel type: Diesel
• Category: Thermostats & Housings

Purpose and function in the cooling system

The thermostat housing in a 1.3 CDTi diesel engine is responsible for properly directing coolant between the engine block, the radiator, and other system components. A correctly selected part helps maintain a stable operating temperature, which affects engine performance, fuel consumption, and component durability. In the case of diesel engines like the 1.3 CDTi, proper temperature management is particularly important due to the thermal characteristics of these units.

Benefits of using an original Opel thermostat housing

Using a thermostat housing dedicated to Opel Combo and Corsa models with a 1.3 CDTi diesel engine allows you to maintain compatibility with the factory cooling system design. This means:

• proper fitment for coolant hoses and connectors,
• correct sealing of connections with the engine block and other components,
• preservation of the fluid flow path intended by the manufacturer,
• reduced risk of leaks and engine overheating.

As a result, the thermostat housing helps maintain stable operating conditions for the diesel engine, which translates into predictable vehicle behavior in city traffic and on the road.

Application in the 1.3 CDTi diesel engine

The 1.3 CDTi diesel engines used in Opel Combo and Corsa models require a precisely operating cooling system. The thermostat housing works in conjunction with the thermostat and temperature sensors, directing fluid flow based on load and operating conditions. A properly selected component:

• supports rapid achievement of operating temperature after startup,
• helps maintain an optimal temperature range during heavy-load driving,
• reduces the risk of localized overheating around the cylinder head and engine block.

This is especially important in diesel units, where a stable temperature affects the combustion process, exhaust emissions, and the durability of auxiliary equipment.

Characteristics of the used part

As a used part, the thermostat housing for the Opel Combo and Corsa 1.3 CDTi is a reasonable choice for drivers who want to reduce repair costs while maintaining compliance with factory solutions. Such components are frequently chosen for:

• repairs following coolant leaks around the thermostat area,
• mechanical damage to the housing (cracks, broken mounts),
• comprehensive maintenance of the cooling system in a diesel engine.

Combining the original design with an attractive price makes the used Opel thermostat housing a practical alternative to new aftermarket replacements of uncertain quality.

Selection and integration with other system components

When replacing the thermostat housing, it is worth paying attention to the condition of hoses, clamps, gaskets, and the thermostat itself. Consistent maintenance of the entire cooling system reduces the risk of recurring leaks and allows you to fully utilize the potential of the installed part. If you are planning a comprehensive repair or upgrade of the engine area in your Opel and need other components from the same group, such as thermostat bodies, connectors, or housings integrated with sensors, check out the available parts in the Opel Thermostats and housings category.

Support in choosing a used part

When purchasing items from the Thermostats and housings group, many drivers consider choosing used parts to optimize service costs without sacrificing factory design. If you want to better understand how to safely choose components from the secondary market and what to look for during installation, check out our guide Used parts – Your guide to the best offers in our automotive store. This will make it easier to assess when a used thermostat housing is the right solution for your car.