United States
Target · Diagram
Find this reference above
Number 10 marks the part’s position in this exploded view (Audi RS Q8 Quattro (2019-)).
Other diagrams in the gallery may use a different number for the same part.
Product overview
Genuine OEM Volkswagen Coolant Reservoir, part number 4M0121403G. This component stores and manages excess engine coolant, playing a crucial role in the engine's thermal regulation. It is typically located within the engine bay, often mounted near the radiator. The reservoir is constructed from durable plastic designed to withstand engine temperatures and coolant pressures. Genuine OEM parts ensure precise fitment and material integrity for reliable long-term operation.
Catalogue entry: CONTAINER.
Technical details
- Category
- Engine Cooling
- Customs (HS) code
- 87089997
- Manufacturer
- Volkswagen
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 25.4 × 19.5 × 18 cm
- Shipping weight
- 0.78 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
