United States
Target · Diagram
Find this reference above
Number 20 marks the part’s position in this exploded view (Volkswagen Tiguan 2.0 4Motion (2017-2024)).
Other diagrams in the gallery may use a different number for the same part.
Product overview
Genuine OEM Volkswagen Expansion Tank, part number 3Q0121407D. This expansion tank is marked as number 20 in the diagram and is part of the engine cooling system. It holds excess coolant and maintains system pressure. Genuine OEM parts ensure precise fit and durability.
Catalogue entry: CONTAINER.
Technical details
- Category
- Engine Cooling
- Country of origin
- Germany
- Customs (HS) code
- 87089997
- Manufacturer
- Volkswagen
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 23 × 21 × 17 cm
- Shipping weight
- 0.7 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.
Supersession roadoldest to newest
- 3Q0121407ASuperseded
Nov 2021 - 3Q0121407DThis pageCurrent number
