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Number 1 marks the part’s position in this exploded view (Volkswagen Passat CC (2011-2016)).
Other diagrams in the gallery may use a different number for the same part.
Product overview
Genuine OEM Volkswagen Coolant Regulator Housing, part number 03C121111AH. This housing contains the thermostat and regulates engine coolant flow to maintain optimal engine operating temperature. It is part of the engine cooling system. Genuine OEM parts ensure precise fitment and material integrity for reliable engine cooling.
Technical details
- Category
- Engine Cooling
- Country of origin
- Czech Republic
- Customs (HS) code
- 90321080
- Manufacturer
- Volkswagen
- Product Type
- Genuine new auto parts
- Shipping size (L × W × H)
- 27 × 13.5 × 12 cm
- Shipping weight
- 0.61 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
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