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Number 19 marks the part’s position in this exploded view (Audi A3 Sportback (2016-2020)).
Other diagrams in the gallery may use a different number for the same part.
Product overview
Genuine OEM Audi Coolant Hose, part number 3Q0122157S. This hose is a critical component in the engine cooling system, designed to transport coolant between various engine components and the radiator. It is positioned within the engine bay, connecting to the cooling circuit. Weighing approximately 0.49 kg and measuring 0.6 meters in length, this hose is engineered for specific routing. Choosing a genuine OEM coolant hose ensures the correct material composition, pressure resistance, and exact routing geometry for reliable, leak-free performance and optimal engine temperature management.
Catalogue entry: HOSE.
Technical details
- Category
- Engine Cooling
- Customs (HS) code
- 40093100
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 60 × 20 × 13 cm
- Shipping weight
- 490 g
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
