United States
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Number 21 marks the part’s position in this exploded view (Volkswagen Passat estate (2008-2011)).
Other diagrams in the gallery may use a different number for the same part.
Product overview
Genuine OEM Audi Engine Vent Hose, part number 03C103558. This hose is an essential component of the engine's ventilation system, allowing for the controlled release of crankcase gases. Its precise routing and material composition are critical for maintaining proper engine pressure and preventing oil leaks. Genuine OEM hoses ensure durability and resistance to engine oil, heat, and pressure fluctuations.
Technical details
- Category
- Engine
- Country of origin
- Poland
- Customs (HS) code
- 84099100
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 27 × 24 × 3 cm
- Shipping weight
- 0.05 kg
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
