Description
The Audi Water Hose (4F0121101) is a genuine OEM engine radiator coolant hose designed to transport coolant between the radiator and engine. It plays a critical role in maintaining optimal engine temperature by ensuring consistent coolant flow and preventing overheating.
This hose is commonly used in Audi A6 (C6 platform) models and is engineered for high durability under extreme heat and pressure conditions. It is a direct-fit component, ensuring easy installation and reliable performance.
Specifications
- Product Name: Radiator Coolant Hose / Water Hose
- Part Number: 4F0121101
- OEM / Genuine Part: Yes (Audi)
- Material: High-quality reinforced rubber/plastic
- Position: Upper radiator / engine cooling system
- Fitment Type: Direct replacement













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