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Number 15 marks the part’s position in this exploded view (Audi A8L qu. 3.0 TDI (2013-2018)).
Other diagrams in the gallery may use a different number for the same part.
Product overview
Genuine OEM Audi Air Filter Housing Drain Valve, part number 4H0133029. This small but essential valve is designed to allow accumulated water to drain from the bottom of the air filter housing. It prevents water ingress into the intake system, protecting the engine. Located at the lowest point of the air filter housing, it ensures efficient drainage. Using a genuine OEM drain valve guarantees a perfect seal and reliable operation, preventing potential damage from water accumulation in the air intake.
Catalogue entry: VALVE ×2.
Technical details
- Category
- Intake & Turbo
- Customs (HS) code
- 84099100
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 0.7 × 0.7 × 1.2 cm
- Shipping weight
- 0 kg
Specifications
As recorded in the manufacturer’s parts catalogue for this part number.
Equipment codes
- DH1
- DJ9
- TV7
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
