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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 4N1819314A. This critical hose is responsible for transporting engine coolant to the heater core, enabling the vehicle's heating and defrosting functions. It is specifically designed for Left-Hand Drive (LHD) configurations. The hose weighs approximately 0.385 kg. Using a genuine OEM hose ensures the correct routing geometry, material resistance to heat and pressure, and precise connections, which are vital for preventing leaks and maintaining the efficiency of the heating and cooling system.
Catalogue entry: HOSE lhd.
Technical details
- Category
- Heating & A/C
- Country of origin
- Czech Republic
- Customs (HS) code
- 40093100
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 46 × 55 × 8 cm
- Shipping weight
- 0.39 kg
Specifications
As recorded in the manufacturer’s parts catalogue for this part number.
Equipment codes
- 9AH
- 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
