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Number 40 marks the part’s position in this exploded view (Audi A8L qu. 3.0 TDI (2013-2018)).
Other diagrams in the gallery may use a different number for the same part.
Product overview
Genuine OEM Audi Coolant Hose, part number 4H0121056N. This hose is a vital component of the engine cooling system, responsible for circulating coolant to maintain optimal engine operating temperature. It ensures efficient heat dissipation and prevents overheating. Measuring 0.51m in length and weighing 0.186 kg, this genuine OEM hose provides the correct routing geometry and material resistance for reliable coolant flow and long-term durability.
Catalogue entry: HOSE.
Technical details
- Category
- Engine Cooling
- Customs (HS) code
- 40093100
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 51 × 11 × 7.8 cm
- Shipping weight
- 0.19 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
