United States
Target · Diagram
Find this reference above
Number 23 marks the part’s position in this exploded view (Volkswagen Tiguan 2.0 4Motion (2016-2024)).
Other diagrams in the gallery may use a different number for the same part.
Product overview
Genuine OEM Volkswagen Coolant Expansion Tank, part number 1S0121407J. This component stores and pressurizes engine coolant, accommodating expansion and contraction due to temperature changes to maintain optimal system pressure. It is located at position 9 in the diagram, within the engine bay. Typically made of durable plastic, it includes connections for hoses and a pressure cap. Genuine OEM expansion tanks are designed with precise material specifications and sealing surfaces to prevent leaks and ensure long-term reliability.
Catalogue entry: TANK.
Technical details
- Category
- Engine Cooling
- Customs (HS) code
- 87089997
- Manufacturer
- Volkswagen
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 17.5 × 15.5 × 14.5 cm
- Shipping weight
- 0.17 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
