United States
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Number 23 marks the part’s position in this exploded view (SEAT Formentor TSI CUPRA (2020-)).
Other diagrams in the gallery may use a different number for the same part.
Product overview
Genuine OEM Audi Coolant Expansion Tank, part number 5Q0121407Q. This vital component of the engine cooling system is designed to hold excess coolant, allowing for thermal expansion and contraction as engine temperatures fluctuate. It helps maintain proper coolant levels and system pressure, preventing air pockets and ensuring efficient cooling. This plastic tank weighs approximately 0.178 kg and measures 0.16m x 0.145m x 0.15m. Opting for a genuine OEM expansion tank guarantees the correct material durability, pressure resistance, and precise connection points, crucial for preventing leaks and maintaining cooling system integrity.
Catalogue entry: TANK.
Fitted with: 5Q0121184 COVER, 1H0121687A SEAL. RING, N01508210 COLLAR NUT.
Technical details
- Category
- Engine Cooling
- Customs (HS) code
- 87089997
- Manufacturer
- Audi
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 16 × 14.5 × 15 cm
- Shipping weight
- 0.18 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
