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Number 1 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 4N1819314B. This hose is responsible for transporting heated coolant to the heater core, which is essential for providing cabin heating and defrosting functions. It is specifically designed for Left-Hand Drive (LHD) vehicle configurations. Weighing approximately 0.164 kg and measuring 0.46m in length, this hose is constructed for durability and precise fitment. Using a genuine OEM hose ensures proper fluid flow, resistance to thermal cycling, and secure connections, which are crucial for the efficient operation of the HVAC system and preventing coolant leaks.
Catalogue entry: HOSE lhd.
Technical details
- Category
- Heating & A/C
- Customs (HS) code
- 40093200
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 46 × 13 × 4 cm
- Shipping weight
- 0.16 kg
Specifications
As recorded in the manufacturer’s parts catalogue for this part number.
Equipment codes
- 9AK
- 9AU
- L0L
PR codes identify the factory option a part belongs to; your vehicle’s are listed on the data sticker in the boot well or service booklet.
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
