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Number 11 marks the part’s position in this exploded view (Audi RS6 Avant (2019-)).
Other diagrams in the gallery may use a different number for the same part.
Product overview
Genuine OEM Volkswagen Expansion Tank Cap, part number 4M0121321Q. Seals the coolant expansion tank to maintain system pressure. It is located on the coolant expansion tank. Made from high-quality materials to withstand heat and pressure. Genuine OEM parts are manufactured to exact specifications for a perfect fit and reliable performance, ensuring the longevity of your cooling system.
Catalogue entry: cap for expansion tank black; 1,6BAR.
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)
- 9.5 × 9.5 × 5.5 cm
- Shipping weight
- 0.08 kg
Specifications
As recorded in the manufacturer’s parts catalogue for this part number.
- Specification
- 1.6 bar
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
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