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Number 4 marks the part’s position in this exploded view (Audi A6 2.0 (2018-)).
Other diagrams in the gallery may use a different number for the same part.
Product overview
Genuine OEM Audi Engine Coolant Pipe With Hose, part number 4K0121081CB. This component facilitates the circulation of engine coolant, ensuring efficient heat exchange and temperature regulation. It combines a rigid pipe section with a flexible hose for precise routing within the engine bay. Weighing 0.047 kg and measuring 0.205 m in length, this part is engineered for durability. Genuine OEM pipes and hoses ensure correct routing geometry and material resistance to temperature and pressure.
Catalogue entry: WATER PIPE.
Technical details
- Category
- Engine Cooling
- Customs (HS) code
- 40093100
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 20.5 × 12 × 3.5 cm
- Shipping weight
- 0.05 kg
Why buy from WW Spares?
- ✓ Genuine OEM inventory sourced directly from factory networks
- ✓ Fitment support from workshop-seasoned parts specialists
- ✓ Global logistics with customs-ready documentation
Need help confirming compatibility? Talk to a specialist
