BMW G20 G22 Water Hose Radiator Coolant Cooling Tube Pipe Line 8472022

BMW G20 G22 Water Hose Radiator Coolant Cooling Tube Pipe Line is an original cooling system component designed for Diesel engines, responsible for the stable flow of coolant between the radiator and other components. Thanks to its factory-specified geometry and connector diameters, it ensures a tight connection and proper coolant circulation, which translates into a safe operating temperature for the power unit.

Specifications and technical data

• SKU: 8472022
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8472022
• Substitutable numbers: 8472022, 17128472022
• Fuel type: Diesel
• Category: Coolant Hoses

Purpose and function in the cooling system

This hose is part of the Cooling system hoses and pipes group, designed specifically for modern BMW G20 and G22 diesel engines. It is responsible for transporting coolant between the radiator and other sub-assemblies, maintaining a stable flow even under the high thermal loads typical of diesel engines.

A properly selected cooling hose:

• ensures adequate heat exchange efficiency throughout the entire circuit,
• minimizes the risk of localized overheating in the engine block and cylinder head area,
• maintains connection tightness under varying operating pressures and temperatures.

Construction and BMW fitment

The hose was developed by BMW as part of the original cooling system, ensuring it maintains the correct rigidity, flexibility, and shape tailored for routing within the engine bay. The hose profile is adapted to factory brackets and guides, which facilitates installation and reduces the risk of rubbing against adjacent components.

Proper fitment translates into:

• stable positioning of the hose during engine operation,
• reduced mechanical stress on radiator connectors and housings,
• easier visual inspection during service checks.

Operational characteristics and condition

This item is a removed part, which allows for maintaining factory specifications and hose geometry at a more favorable cost compared to a new part. A used BMW G20 / G22 cooling hose is a good solution when the existing hose shows signs of wear, hardening, cracking, or leaks.

Using an original hose from the same model group:

• reduces the risk of fitment issues typical of universal replacements,
• facilitates quick installation without the need for modifications,
• supports maintaining the integrity of the entire cooling system according to the manufacturer's factory standards.

Benefits for Diesel engines

Diesel engines generate high thermal loads, which is why a functional cooling hose is essential for the durability of the power unit. Proper coolant flow helps maintain a stable operating temperature, which affects the service life of gaskets, the cylinder head, and engine accessories.

To better understand the impact of the cooling system on the condition of the power unit and the symptoms of overheating, it is worth reading the guide: Engine cooling system – overheating, repair, and used radiators. The article discusses practical aspects of diagnostics and maintenance of cooling systems in popular models.

Expansion and service of the BMW cooling system

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as additional hoses, return lines, or sections connecting to the radiator, check the available parts in the BMW cooling system hoses and pipes category.

By selecting components from the same product group, you maintain the technical consistency of the entire system, which facilitates subsequent diagnostics and service, and helps reduce the risk of unplanned vehicle downtime.