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Number 39 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 Air Conditioner Expansion Valve, part number 4N0816590. This vital component in the air conditioning system is responsible for regulating the flow of liquid refrigerant into the evaporator, where it expands and cools the air. It ensures the correct amount of refrigerant is supplied to maintain optimal cooling efficiency and prevent system damage. The valve measures approximately 0.082m in length and weighs 0.264 kg. Choosing a genuine OEM expansion valve guarantees precise calibration, proper refrigerant control, and long-term reliability for your vehicle's climate control system.
Catalogue entry: EXPANS VAL.
Technical details
- Category
- Heating & A/C
- Customs (HS) code
- 84818079
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 8.2 × 5.4 × 5.2 cm
- Shipping weight
- 0.26 kg
Specifications
As recorded in the manufacturer’s parts catalogue for this part number.
Equipment codes
- KK2
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
