Audi A5 8T 2.0 TDI CNHA Thermostat Housing Pipe Hose Line Tube 04L121026R
SKU: 04L121026R-1
Product from a certified dismantling facility
Condition:
Used
Available:
2
Delivery time:
Estimated delivery in the country Austria between Tue, Apr 07 and Fri, Apr 10
Dispatched today if paid before 14:00
Payment methods:
Returns:
30 days return
Delivery from:
Free delivery
€23.95
1
Lowest price in the last 30 days: €23.95
Total for items
€23.95
The Audi A5 8T 2.0 TDI CNHA Thermostat Pipe / Water Flange Hose is a component from the Cooling System Hoses and Pipes group, designed for diesel engines. It is responsible for precisely directing coolant between the thermostat and the cooling system, which supports stable engine operating temperature and improves its durability.
Specifications and technical data
- SKU: 04L121026R-1
- Mark: Audi
- Condition: Used
- OEM Part Number: 04L121026R
- Substitutable numbers: 04L121026R, 04L 121 026 R
- Fuel type: Diesel
- Category: Coolant Hoses
Function in the 2.0 TDI Engine Cooling System
The thermostat pipe in a diesel engine plays a crucial role in the coolant circulation, working in conjunction with the thermostat and other system hoses. The properly shaped water flange ensures:
- stable coolant flow in the thermostat area,
- maintenance of the correct operating temperature for the 2.0 TDI CNHA unit,
- reduction of the risk of local overheating in the cylinder head and engine block area,
- proper cooperation with other cooling system components.
Thanks to its precise fit to the diesel engine architecture, this component allows for maintaining the correct fluid flow characteristics, which translates into stable engine operation under various load conditions.
Purpose and Fit for Audi A5 8T
The Audi A5 8T 2.0 TDI CNHA Thermostat Pipe Water Flange Hose has been designed for a specific diesel engine configuration, facilitating installation at factory mounting points. The appropriate shaping and diameter of the flange enable:
- seamless connection with the thermostat and adjacent hoses,
- maintenance of cooling system integrity with proper installation,
- preservation of the original routing of hoses in the engine bay.
Such a fit promotes quick servicing and minimizes the risk of stress resulting from improper hose placement.
Characteristics of a Used Part
The offered water flange hose is a used part, sourced from disassembly, allowing for economical repair of the cooling system while maintaining compliance with factory specifications. For parts of this type, it is important to:
- check the condition of sealing surfaces before installation,
- use new seals or clamps according to the service procedure,
- bleed the cooling system and verify its tightness after installation.
This approach allows for the full utilization of disassembled parts while ensuring the safe operation of the diesel engine.
Technical Support and Knowledge of the Cooling System
To better understand the impact of hoses and pipes on engine durability, it is worth consulting specialized materials on cooling system diagnostics and service. A practical discussion of overheating symptoms, repair principles, and the role of individual components can be found in the article Engine Cooling System – Overheating, Repair, and Used Radiators, which helps to organize service knowledge.
Complementary Audi Cooling System Hoses and Pipes
If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other components from the same group, such as additional pipes, return hoses, or connecting flanges, check the available parts in the Audi Cooling System Hoses and Pipes category.
Delivery details
Ship to: Austria
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Delivery time
Estimated delivery in the country Austria between Tue, Apr 07 and Fri, Apr 10
Dispatched today if paid before 14:00
Estimated delivery dates include sellers dispatch time, origin postcode,destination postcode and time of acceptance, and will depend on the postage service selected and receipt of cleared payment. Delivery times may vary, especially during peak periods.
Will usually dispatch within same working day if paid before 14:00 BST (excludes weekends and holidays). Expected dispatch time may vary and is based on sellers order cut-off time.
In the automotive store Global Parts, we offer fast and secure deliveries for our customers in Austria, ensuring maximum compliance with local service standards. Each order is processed with the utmost attention, guaranteeing a fluid shopping process and a timely delivery. If you need assistance in choosing the right part, our team of consultants will be happy to help you find the right part for your vehicle and provide information on installation, availability and parameters of the selected components.











