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 vehicleExpansion Valve — locate 4H0816181 Audi Expansion Valve | Genuine OEM in the official exploded view and explore the surrounding assembly.
Parts in this assembly36
- 1PipeLeft4H1260713S
- 1PipeLeft4H1816713C
- 1PipeRight4H2260713N
- 1PipeRight4H2816713A
- 1Pipe 4H6816713
- 1Pipe 4H6260713A
- 2Part 5Q0816581A
- 2Part 3D0820581
- 3Valve 3D0820855A
- 3Insert 3D0820855
- 4Part 5Q0816231A
- 4Part 3C0820231
- 5Valve 8E0820855
- 6Seal Ring 3D0260749C
- 7Seal Ring 4E0260749B
- 8Line 4H0820722E
- 10Line 4H0820729E
- 12Seal Ring 4E0260749A
- 13Expans Val 4H0820181
- 14Line 4H0820725
- 16Seal Ring 8E0260749B
- 17Line 4H0820727
- 18Seal Ring WHT001247A
- 19Seal Ring 8E0260749D
- 20Bracket 4H0260759J
- 21Adhes Tape 4H0806468
- 22Part 4H0820251A
- 23Bracket 4H0260759B
- 24Part 8D0201441C
- 25Ut Hexagon Nut Self-locking Hexagon Nut N02300311
- 26Screw N10723801
- 27Dbl Clip N10427801
- 28Clamp N0206489
- 29Collar Nut N01508210
- 30Screw N10414402
- 32Bolt N91096801
Vehicle fitment table1
Europe (1)
| Vehicle | Years | Pos. | Qty | Remark | PR |
|---|---|---|---|---|---|
| Audi A8L qu. 3.0 TDI | 2013-2018 | 13 | 1 | KK3 |
Diagrams & fitment data powered by oemdiagrams.com
4H0816181 Audi Expansion Valve | Genuine OEM is fitted on: Audi A8L qu. 3.0 TDI 2013-2018.