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Number 31 marks the part’s position in this exploded view (Audi Q8 Quattro 3,0 (2018-)).
Other diagrams in the gallery may use a different number for the same part.
Product overview
Genuine OEM Audi Engine Coolant Hose, part number 4M2122157B. This hose plays a vital role in the engine cooling system by carrying coolant to regulate engine temperature and maintain optimal operating conditions. It connects components within the coolant circuit, often near a heat exchanger or oil cooler. Weighing 0.214 kg, this hose measures approximately 0.205 m in length. Genuine OEM hoses are manufactured to precise specifications for material composition and internal diameter, ensuring proper flow rates and resistance to degradation from coolant chemicals and heat.
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)
- 20.5 × 11.5 × 8.5 cm
- Shipping weight
- 0.21 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
Replaces older part numbers
This is the current manufacturer number. Older numbers on this road are no longer supplied.
- 4M2122157Not stocked
Aug 2018 - 4M2122157BThis pageCurrent number
