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Genuine OEM & performance parts — ships to United States

Product overview

Genuine OEM Audi Expansion Valve, part number 4H0816181. This component is vital for the air conditioning system, precisely regulating the flow of refrigerant into the evaporator to control cooling performance. It is typically located within the HVAC assembly. Constructed from robust aluminum, this valve measures approximately 8.5 cm in length and weighs 0.177 kg. Choosing a genuine OEM expansion valve ensures precise calibration and flow characteristics, which are critical for maintaining the efficiency and longevity of the entire AC 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)
8.5 × 4.5 × 4.2 cm
Shipping weight
0.18 kg

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

Need help confirming compatibility? Talk to a specialist

Parts diagram & fitment

1 vehicle

Expansion Valve — locate 4H0816181 Audi Expansion Valve | Genuine OEM in the official exploded view and explore the surrounding assembly.

Parts in this assembly36
Vehicle fitment table1

Europe (1)

VehicleYearsPos.QtyRemarkPR
Audi A8L qu. 3.0 TDI2013-2018131KK3

Diagrams & fitment data powered by oemdiagrams.com

4H0816181 Audi Expansion Valve | Genuine OEM is fitted on: Audi A8L qu. 3.0 TDI 2013-2018.