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Number 23 marks the part’s position in the exploded view (Audi A8L (2017-2022)).
Product overview
Genuine OEM Audi Air Conditioning Expansion Valve, part number 4M0816181. This crucial component regulates the flow of refrigerant into the evaporator, playing a vital role in the vehicle's air conditioning system by controlling pressure and temperature. It is located within the refrigerant circuit, typically near the firewall. Using a genuine OEM expansion valve ensures precise calibration for refrigerant flow, preventing system imbalances and maximizing cooling efficiency and longevity.
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 × 6 × 4 cm
- Shipping weight
- 177 g
Specifications
As recorded in the manufacturer’s parts catalogue for this part number.
Equipment codes
- KK3
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
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