Audi A4 B7 A4 B8 A5 B8 Q5 Water Coolant Flange Cover 06E121168

The Audi A4 B8 Coolant Hose Flange is a component from the Thermostats and Housings group, designed for the cooling system in Audi gasoline engines. It ensures a tight, stable connection for the coolant hose, supporting proper circulation and maintaining optimal operating temperature of the powertrain. This is a practical solution for users who want to restore the cooling system's correct function without unnecessary modifications.

Specifications and technical data

• SKU: 06E121168
• Mark: Audi
• Condition: Used
• OEM Part Number: 06E121168
• Substitutable numbers: 06E121168, 06E 121 168
• Fuel type: Petrol
• Category: Thermostats & Housings

Purpose and Function in the Cooling System

The coolant hose flange is responsible for directing the working fluid between the cooling system components and maintaining the seal of the connections. In the Audi A4 B8 with a gasoline engine, it operates in close proximity to the thermostat and housing, therefore its condition affects:

• stable operating temperature of the powertrain,
• reduction of coolant leak risk,
• proper cooperation with the thermostat housing and rubber hoses,
• maintenance of adequate pressure in the cooling system.

A well-chosen flange helps avoid engine overheating, performance drops, and uncontrolled fluid loss, which is particularly important in modern Audi gasoline engines.

Construction and Fit for Audi A4 B8

The Audi A4 B8 Coolant Hose Flange has been designed as a component structurally compatible with the factory cooling system. This means maintaining the correct geometry of the spigots, mounting points, and connection diameters, which facilitates installation in place of a worn or damaged part.

The flange works with coolant hoses and the thermostat housing, creating a cohesive flow system. This allows for the preservation of the factory cooling characteristics without the need for adapters or hose modifications.

Application in Gasoline Engines

The presented component is intended for vehicles powered by gasoline fuel, which is significant from the perspective of operating temperatures and cooling system performance characteristics. In Audi gasoline engines, the cooling system is designed for specific thermal loads, therefore using the correct coolant hose flange helps maintain:

• stable operating conditions for the thermostat,
• adequate fluid flow through the block and cylinder head,
• consistency with the factory configuration of hoses and housings.

As a result, the part fits well into the existing system, supporting its reliability in daily operation.

Characteristics of a Used Component

The flange is from the used parts group, allowing for economical repair while maintaining compatibility with the original Audi construction. Such components are often chosen for cooling system servicing when we want to:

• maintain factory fit with other components,
• reduce repair costs while maintaining correct function,
• replace a single component instead of an entire assembly.

For coolant hose flanges, it is important that the sealing surfaces and mounting points allow for trouble-free installation with existing hoses and the thermostat housing.

Technical Support and Additional Information

Before purchasing, it is advisable to compare the shape and arrangement of the spigots with the part currently installed in the vehicle to confirm full assembly compatibility. Part identification data, such as manufacturer markings or reference numbers, which are included in the product's technical specification, can also be helpful.

If you are planning a comprehensive repair or upgrade of the cooling system area in your Audi and need other parts from the same group, such as thermostat housings, spigots, or additional connections, check the available parts in the Audi Thermostats and Housings category.

For users interested in the broader use of used parts in vehicles of this brand, practical tips on selection and operation can be found in the article Audi on Second-Hand Parts – Tuning and Repairs Without Quality Loss, which discusses how to effectively combine savings with maintaining proper technical parameters.