BMW X5 Series E53 3.0 d Coolant Header Tank Connecting Flange Fitting 1438820

BMW X5 Series E53 3.0 d Coolant Header Tank Connecting Flange Fitting is an original cooling system component from the Air conditioning hoses, pipes and connectors group, designed for use in the BMW X5 E53 model with a 3.0 d engine. This used OEM component allows for maintaining the factory connection geometry, which translates into stable system operation and reduces the risk of leaks. It is a practical solution for users who want to restore proper coolant circulation around the header tank without the need for costly replacement of entire assemblies.

Specifications and technical data

• SKU: 1438820
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 1438820
• Substitutable numbers: 17111438820, 1438820, 17107500745, 7500745
• Category: A/C Hoses & Fittings

Purpose and function of the coolant flange fitting

The presented fitting is responsible for a stable, leak-proof connection of hoses in the area of the cooling system header tank in the BMW X5 E53 3.0 d. Its task is to maintain the proper flow of the working medium and ensure the correct direction of circulation within the installation. Thanks to its precise fit for the specific engine version, compatibility with factory hoses and connectors is maintained.

An element from this group is important wherever a secure, vibration-resistant connection of hoses and proper venting and fluid circulation are required. A properly selected fitting reduces the risk of leaks, overheating, and improper system operation.

Construction and fitment for BMW

BMW X5 Series E53 3.0 d Coolant Header Tank Connecting Flange Fitting has been designed as an OEM part, which means it retains factory dimensions, shape, and mounting points. Thanks to this:

• it fits the original hoses and connectors used in the X5 E53 3.0 d,
• it allows for installation without structural modifications,
• it maintains proper hose routing in the engine bay.

The original BMW origin helps maintain the consistency of the entire system, which is important both in terms of durability and subsequent service maintenance.

Condition, origin, and service application

The offered fitting comes from dismantling and is sold as a used part, which allows for economical repair while retaining an OEM component. This type of solution is particularly beneficial when servicing older BMW X5 E53 units, where a reasonable cost of vehicle maintenance is important while maintaining correct operating parameters of the system.

The element will work well both for a typical replacement of a worn or damaged fitting and for larger works related to refreshing the cooling system and its associated hoses. A used OEM component is a compromise between price and maintaining the factory standard of workmanship.

Benefits of using an original fitting

Choosing an original coolant fitting for the BMW X5 E53 3.0 d brings several practical advantages:

• factory fitment to the system of hoses and connectors,
• maintaining the fluid flow path designed by the manufacturer,
• reducing the risk of leaks resulting from inaccurate fitment,
• easier identification and handling during future service inspections.

For users who consciously choose parts from dismantling, this is a way to maintain the technical consistency of the vehicle at controlled operating costs.

Related system components and further expansion

If you are planning a comprehensive repair or upgrade of the cooling and air conditioning area in your BMW and need other elements from the same group, such as pipes, flexible hoses, or service connectors, check out the available parts in the BMW air conditioning hoses, pipes and connectors category.

When selecting used cooling and air conditioning system elements, it is worth consciously comparing the advantages of new parts versus those from dismantling, especially in terms of costs and durability. You will find more practical tips on this topic in the article: Car parts – new or used? We compare costs, quality, and durability.

If you are interested in a broader context of using premium-class used components in higher-segment cars, including related brands, the following guide may also be helpful: Used parts for Mercedes – original parts from dismantling, which discusses the practical aspects of using original second-hand components.