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Number 7 marks the part’s position in this exploded view (Audi A8L (2017-2022)).
Other diagrams in the gallery may use a different number for the same part.
Product overview
Genuine OEM Audi Heater Coolant Hose, part number 4N0819374B. This hose is designed to carry coolant for the vehicle's heating and air conditioning system, facilitating efficient cabin climate control. It is positioned within the coolant circuit that supplies the heater core. Weighing 0.0144 kg and measuring approximately 14.5 cm in length, it is engineered for specific routing and thermal demands. Choosing a genuine OEM hose ensures the correct material composition and precise routing geometry, preventing leaks and maintaining system integrity under thermal stress.
Catalogue entry: HOSE.
Technical details
- Category
- Heating & A/C
- Customs (HS) code
- 40093100
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 14.5 × 4.8 × 3.8 cm
- Shipping weight
- 0.01 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
